sovarr:4HzModulationEnergy
sovarr:appdomain "audio segmentation"
sovarr:computation "Energy Spectral Density", "Windowing", "Root Mean Square", "Discrete Fourier Transform", "Regression", "Bandpass Filter", "Normalization"
sovarr:dimensionality "one-dimensional"
sovarr:feature "4HzModulationEnergy"
sovarr:domain "modulation frequency"
sovarr:complexity "medium"
rdfs:label "4HzModulationEnergy"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "interframe"
 
sovarr:4HzModulationHarmonicCoefficients
sovarr:appdomain "audio segmentation"
sovarr:computation "Bandpass Filter", "Windowing", "Sum, Weighted Sum", "Discrete Cosine Transform", "Autocorrelation"
sovarr:dimensionality "one-dimensional"
sovarr:feature "4HzModulationHarmonicCoefficients"
sovarr:domain "modulation frequency"
sovarr:complexity "medium"
rdfs:label "4HzModulationHarmonicCoefficients"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "interframe"
 
sovarr:ADRess
dc:description "Azimuth Discrimination and Resynthesis (ADRess) implementation,which takes a stereo input (i.e. input is expected to be the output of a"
rdfs:label "ADRess"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:ADRessSpectrum
dc:description "Takes the output of the ADRess (i.e. the stereo azimuth-frequencymaps) and outputs a single channel spectrum of the part of the freq-azimuth"
rdfs:label "ADRessSpectrum"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:ADRessStereoSpectrum
dc:description "Takes the output of the ADRess (i.e. the panning-frequency maps)and outputs the panning coefficient for each spectral bin (N/2+1 bins)."
rdfs:label "ADRessStereoSpectrum"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AbsMax
dc:description "Calculate the maximum absolute value for each observationsignal (per slice)."
rdfs:label "AbsMax"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AdaptiveSpectrogram
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "AdaptiveSpectrogram"
sovarr:output "Dense"
dc:description "Produce an adaptive spectrogram by adaptive selection from spectrograms at multiple resolutions"
sovarr:feature "Adaptive Spectrogram"
sovarr:source "Queen Mary, University of London"
 
sovarr:AdaptiveTimeFrequencyTransform
sovarr:appdomain "music information retrieval"
sovarr:computation "Spectral binning", "Adaptive Time Frequency Transform Comp"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "AdaptiveTimeFrequencyTransform"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "AdaptiveTimeFrequencyTransform"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "42"
sovarr:temporalscale "global"
 
sovarr:AimBoxes
dc:description "'Box-cutting' routine to generate dense features"
rdfs:label "AimBoxes"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimGammatone
dc:description "Slaney's gammatone filterbank"
rdfs:label "AimGammatone"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimHCL
dc:description "Halfwave rectification, compression and lowpass filtering"
rdfs:label "AimHCL"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimHCL2
dc:description "Halfwave rectification, compression and lowpass filtering"
rdfs:label "AimHCL2"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimLocalMax
dc:description "Local maximum strobe criterion: decaying threshold with timeout"
rdfs:label "AimLocalMax"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimPZFC
dc:description "Time-domain AimPZFC"
rdfs:label "AimPZFC"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimPZFC2
dc:description "Time-domain AimPZFC2"
rdfs:label "AimPZFC2"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimSAI
dc:description "Stabilised auditory image"
rdfs:label "AimSAI"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimSSI
dc:description "Size-shape image (aka the 'sscAI')"
rdfs:label "AimSSI"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AimVQ
dc:description "Vector quantization for dense to sparse features"
rdfs:label "AimVQ"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:AmplitudeDescriptor
sovarr:appdomain "environmental sound recognition"
sovarr:computation "Spectral binning", "Windowing", "Mean", "Median"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "AmplitudeDescriptor"
sovarr:domain "temporal"
sovarr:complexity "low"
rdfs:label "AmplitudeDescriptor"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "9"
sovarr:temporalscale "intraframe"
 
sovarr:AmplitudeModulation
dc:description "Tremelo and Grain description, according to [SE2005]_ and [AE2001]_."
rdfs:label "AmplitudeModulation"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:AmplitudeofEnergyModulation
sovarr:signal "Temporal Energy Envelope"
sovarr:feature "Amplitude of Energy Modulation"
sovarr:computed_in "TimbreToolbox"
rdfs:label "AmplitudeofEnergyModulation"
rdf:type rdfs:Resource
 
sovarr:AreaMoments
dc:description "2D statistical method of moments"
sovarr:computed_in "JMIR"
rdfs:label "AreaMoments"
sovarr:name "Area Method of Moments"
rdf:type rdfs:Resource
 
sovarr:AreaMomentsConstantQMFCC
dc:description "2D statistical method of moments of ConstantQ-based MFCCs"
sovarr:computed_in "JMIR"
rdfs:label "AreaMomentsConstantQMFCC"
sovarr:name "Area Method of Moments of ConstantQ-based MFCCs"
rdf:type rdfs:Resource
 
sovarr:AreaMomentsLogConstantQ
dc:description "2D statistical method of moments of the log of the ConstantQ transform"
sovarr:computed_in "JMIR"
rdfs:label "AreaMomentsLogConstantQ"
sovarr:name "Area Method of Moments of Log of ConstantQ transform"
rdf:type rdfs:Resource
 
sovarr:AreaMomentsMFCC
dc:description "2D statistical method of moments of MFCCs"
sovarr:computed_in "JMIR"
rdfs:label "AreaMomentsMFCC"
sovarr:name "Area Method of Moments of MFCCs"
rdf:type rdfs:Resource
 
sovarr:AreaPolynomialApproximation
dc:description "coeffecients of 2D polynomial best describing the input matrtix."
sovarr:computed_in "JMIR"
rdfs:label "AreaPolynomialApproximation"
sovarr:name "2D Polynomial Approximation"
rdf:type rdfs:Resource
 
sovarr:AreaPolynomialApproximationConstantQMFCC
dc:description "coeffecients of 2D polynomial best describing the input matrtix."
sovarr:computed_in "JMIR"
rdfs:label "AreaPolynomialApproximationConstantQMFCC"
sovarr:name "2D Polynomial Approximation ConstantQ MFCC"
rdf:type rdfs:Resource
 
sovarr:AreaPolynomialApproximationLogConstantQ
dc:description "coeffecients of 2D polynomial best describing the input matrix."
sovarr:computed_in "JMIR"
rdfs:label "AreaPolynomialApproximationLogConstantQ"
sovarr:name "2D Polynomial Approximation of Log of ConstantQ"
rdf:type rdfs:Resource
 
sovarr:Attack
sovarr:computed_in "MIRToolbox", "TimbreToolbox"
rdfs:comment "These can have start time *and end time*"
sovarr:feature "Attack"
sovarr:tag "Timbre"
rdfs:label "Attack"
dc:description "estimates the beginning of the attack phase of a note by locating the local minimum before the maximum corresponding to the onset"
sovarr:signal "Temporal Energy Envelope"
rdf:type rdfs:Resource
 
sovarr:AttackLeap
dc:description "estimates the amplitude difference between the beginning and the end of the attack phase"
rdfs:label "AttackLeap"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Timbre"
rdf:type rdfs:Resource
 
sovarr:AttackSlope
sovarr:computed_in "MIRToolbox", "TimbreToolbox"
rdf:type rdfs:Resource
sovarr:tag "Timbre"
rdfs:label "AttackSlope"
dc:description "average slope of attack phase, computed either as a simple ratio, or a Gaussian-weighted average to emphasise the middle of the attack"
sovarr:signal "Temporal Energy Envelope"
sovarr:feature "Attack Slope"
 
sovarr:AttackTime
rdfs:label "AttackTime"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:AuditoryFilterBankTemporalEnvelopes
sovarr:appdomain "music information retrieval"
sovarr:computation "Energy Spectral Density", "Bandpass Filter", "Windowing", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "AuditoryFilterBankTemporalEnvelopes"
sovarr:domain "modulation frequency"
sovarr:complexity "medium"
rdfs:label "AuditoryFilterBankTemporalEnvelopes"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "62"
sovarr:temporalscale "intraframe"
 
sovarr:AutoCorrelation
sovarr:computed_in "SMIRk", "LibXtract", "Yaafe", "Vamp", "Marsyas", "TimbreToolbox"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "AutoCorrelation"
sovarr:output "Dense"
dc:description "Extract the autocorrelation of an audio signal", "Compute the generalized autocorrelation of input window", "Compute autocorrelation coefficients *ac* on each frames."
sovarr:signal "Audio Signal"
sovarr:feature "Autocorrelation"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:AutoCorrelationFFT
rdfs:label "AutoCorrelationFFT"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:AutoCorrelationPeaksIntegrator
dc:description "Feature transform that compute peaks of the autocorrelation function, outputs peaks and amplitude."
rdfs:label "AutoCorrelationPeaksIntegrator"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:AutocorrelationMFCCs
sovarr:appdomain "speech recognition"
sovarr:computation "Regression", "Windowing", "Discrete Fourier Transform", "Logarithm", "Autocorrelation", "Lowpass Filter", "Discrete Cosine Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "AutocorrelationMFCCs"
sovarr:domain "cepstral"
sovarr:complexity "high"
rdfs:label "AutocorrelationMFCCs"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:AverageDeviation
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "AverageDeviation"
sovarr:output "Dense"
dc:description "Extract the average deviation of a range of values"
sovarr:feature "Average Deviation"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:AverageMagnitudeDifferenceFunction
sovarr:computed_in "Vamp", "LibXtract", "Marsyas"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "AverageMagnitudeDifferenceFunction"
sovarr:output "Dense"
dc:description "Extract the AMDF of an audio signal", "Average Magnitude Difference Function"
sovarr:feature "Average Magnitude Difference Function"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:AverageSquaredDifferenceFunction
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "AverageSquaredDifferenceFunction"
sovarr:output "Dense"
dc:description "Extract the ASDF of an audio signal"
sovarr:feature "Average Squared Difference Function"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:BandPeriodicity
sovarr:appdomain "audio segmentation"
sovarr:computation "Windowing", "Autocorrelation", "Bandpass Filter", "Sum, Weighted Sum", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "BandPeriodicity"
sovarr:domain "modulation frequency"
sovarr:complexity "medium"
rdfs:label "BandPeriodicity"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "4"
sovarr:temporalscale "interframe"
 
sovarr:BandSpectralDeviation
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "BandSpectralDeviation"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Band Spectral Deviation"
sovarr:dimensions "3"
rdf:type rdfs:Resource
 
sovarr:BandTristimulus
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "BandTristimulus"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Band Tristimulus"
sovarr:dimensions "9"
rdf:type rdfs:Resource
 
sovarr:Bandwidth
sovarr:appdomain "several"
sovarr:computation "Windowing", "Logarithm", "Median", "Regression", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "Bandwidth"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "Bandwidth"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:BarandBeatTracker
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "BarandBeatTracker"
dc:description "Estimate bar and beat locations"
sovarr:feature "Bar and Beat Tracker"
sovarr:source "Queen Mary, University of London"
 
sovarr:BarkCoefficients
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "BarkCoefficients"
sovarr:output "Dense"
dc:description "Extract bark coefficients from an audio spectrum"
sovarr:feature "Bark Coefficients"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:BarkscaleFrequencyCepstralCoefficients
sovarr:appdomain "several"
sovarr:computation "Windowing", "Logarithm", "Regression", "Discrete Cosine Transform", "Discrete Fourier Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "BarkscaleFrequencyCepstralCoefficients"
sovarr:domain "cepstral"
sovarr:complexity "high"
rdfs:label "BarkscaleFrequencyCepstralCoefficients"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:Bars
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "Bars"
sovarr:output "Sparse"
sovarr:feature "Bars (Bar and Beat Tracker)"
sovarr:source "Queen Mary, University of London"
 
sovarr:BassChromagram
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "BassChromagram"
sovarr:output "Dense"
sovarr:feature "Bass Chromagram (NNLS Chroma)"
sovarr:source "Matthias Mauch"
 
sovarr:BeatCount
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "BeatCount"
sovarr:output "Sparse"
sovarr:feature "Beat Count (Bar and Beat Tracker)"
sovarr:source "Queen Mary, University of London"
 
sovarr:BeatHistogram
sovarr:appdomain "music information retrieval"
sovarr:name "Beat Histogram"
sovarr:computed_in "Marsyas", "JMIR"
sovarr:computation "Windowing", "Root Mean Square", "Autocorrelation", "Discrete Wavelet Transform", "Spectral binning", "Lowpass Filter"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "BeatHistogram"
sovarr:domain "modulation frequency"
sovarr:complexity "medium"
rdfs:label "BeatHistogram"
dc:description "A histogram showing the relative strength of different rhythmic periodicities (tempi) in a signal. Found by calculating the auto-correlation of the RMS.", "BeatHistogram"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "6"
sovarr:temporalscale "interframe"
 
sovarr:BeatHistogramFromPeaks
dc:description "BeatHistogramFromPeaks"
rdfs:label "BeatHistogramFromPeaks"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:BeatHistogramLabels
dc:description "The bin label, in beats per minute, of each beat histogram bin. Not useful as a feature in itself, but useful for calculating other features from the beat histogram."
sovarr:computed_in "JMIR"
rdfs:label "BeatHistogramLabels"
sovarr:name "Beat Histogram Bin Labels"
rdf:type rdfs:Resource
 
sovarr:BeatSpectralDifference
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "BeatSpectralDifference"
sovarr:output "Sparse"
sovarr:feature "Beat Spectral Difference (Bar and Beat Tracker)"
sovarr:source "Queen Mary, University of London"
 
sovarr:BeatSpectrum
sovarr:appdomain "music information retrieval"
sovarr:computed_in "Vamp", "MIRToolbox"
sovarr:computation "Windowing", "Cross-Correlation", "Discrete Fourier Transform", "Logarithm", "Autocorrelation", "Lowpass Filter"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "BeatSpectrum", "Beat Spectra (Similarity)"
sovarr:domain "modulation frequency", "time"
sovarr:complexity "high"
rdfs:label "BeatSpectrum"
sovarr:tag "Rhythm"
dc:description "a measure of acoustic self-similarity as a function of time lag, computed from the similarity matrix"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "interframe"
sovarr:output "Sparse"
sovarr:source "Queen Mary, University of London"
 
sovarr:BeatSum
dc:description "The sum of all entries in the beat histogram. This is a good measure of the importance of regular beats in a signal."
sovarr:computed_in "JMIR"
rdfs:label "BeatSum"
sovarr:name "Beat Sum"
rdf:type rdfs:Resource
 
sovarr:BeatTracker
sovarr:appdomain "music information retrieval"
sovarr:computed_in "Vamp", "SuperCollider", "Aubio"
sovarr:computation "Comb Filter", "Windowing", "Root Mean Square", "Derivation Difference", "Lowpass Filter", "Bandpass Filter"
sovarr:dimensionality "one-dimensional"
sovarr:feature "Aubio Beat Tracker", "Beats (Bar and Beat Tracker)", "Beats (Aubio Beat Tracker)", "BeatTracker", "Beats (Tempo and Beat Tracker)"
sovarr:domain "frequency", "modulation frequency", "time"
sovarr:complexity "high"
rdfs:label "BeatTracker"
sovarr:output "Sparse"
dc:description "Estimate the musical tempo and track beat positions", "Beat tracking using a context dependant model.", "based on exhaustively testing particular template patterns against feature streams", "Autocorrelation based beat tracker"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "interframe"
sovarr:source "Queen Mary, University of London", "Paul Brossier (method by Matthew Davies, plugin by Chris Cannam)"
 
sovarr:Brightness
dc:description "The proportion of energy above a given frequency"
rdfs:label "Brightness"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Timbre"
rdf:type rdfs:Resource
 
sovarr:Cepstrum
dc:description "Feature transform that compute cepstrum coefficients of input feature frames. (use DCT II)"
rdfs:label "Cepstrum"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:ChordEstimate
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "ChordEstimate"
sovarr:output "Sparse"
sovarr:feature "Chord Estimate (Chordino)"
sovarr:source "Matthias Mauch"
 
sovarr:Chordino
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "Chordino"
dc:description "Chordino provides a simple chord transcription based on NNLS Chroma (as in the NNLS Chroma plugin). Chord profiles given by the user in the file chord.dict are used to calculate frame-wise chord similarities. A simple (non-state-of-the-art!) algorithm smoothes these to provide a chord transcription using a standard HMM/Viterbi approach."
sovarr:feature "Chordino"
sovarr:source "Matthias Mauch"
 
sovarr:ChromaCENSFeatures
sovarr:appdomain "music information retrieval"
sovarr:computation "Lowpass Filter", "Band-pass Filter Bank", "Windowing", "Normalization", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "ChromaCENSFeatures"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "ChromaCENSFeatures"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "12"
sovarr:temporalscale "intraframe"
 
sovarr:ChromaMeans
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "ChromaMeans"
sovarr:output "Dense"
sovarr:feature "Chroma Means (Chromagram)"
sovarr:source "Queen Mary, University of London"
 
sovarr:Chromagram
sovarr:appdomain "music information retrieval"
sovarr:computed_in "Vamp", "SuperCollider", "MIRToolbox"
sovarr:computation "Logarithm", "Discrete Fourier Transform", "Windowing", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "Chromagram (NNLS Chroma)", "Chromagram"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "Chromagram"
sovarr:tag "Tonality"
dc:description "measures the energy at particular chroma within an nTET tuning system", "shows the distribution of energy along the pitches or pitch classes", "Extract a series of tonal chroma vectors from the audio"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "12"
sovarr:temporalscale "intraframe"
sovarr:output "Dense"
sovarr:source "Queen Mary, University of London", "Matthias Mauch"
 
sovarr:ChromagramandBassChromagram
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "ChromagramandBassChromagram"
sovarr:output "Dense"
sovarr:feature "Chromagram and Bass Chromagram (NNLS Chroma)"
sovarr:source "Matthias Mauch"
 
sovarr:Compactness
dc:description "A measure of the noisiness of a signal. Found by comparing the components of a window's magnitude spectrum with the magnitude spectrum of its neighbouring windows."
sovarr:computed_in "JMIR"
rdfs:label "Compactness"
sovarr:name "Compactness"
rdf:type rdfs:Resource
 
sovarr:ComplexDomainOnsetDetection
dc:description "Compute onset detection using a complex domain spectral flux method [CD2003]_.", "Complex Domain Method onset detection function."
rdfs:label "ComplexDomainOnsetDetection"
sovarr:computed_in "Yaafe", "Aubio"
rdf:type rdfs:Resource
 
sovarr:ConstantQ
dc:description "signal to frequency transform using exponential-spaced frequency bins."
sovarr:computed_in "JMIR"
rdfs:label "ConstantQ"
sovarr:name "ConstantQ"
rdf:type rdfs:Resource
 
sovarr:ConstantQMFCC
dc:description "MFCCs directly caluclated from ConstantQ exponential bins"
sovarr:computed_in "JMIR"
rdfs:label "ConstantQMFCC"
sovarr:name "ConstantQ derived MFCCs"
rdf:type rdfs:Resource
 
sovarr:ConstantQSpectrogram
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "ConstantQSpectrogram"
sovarr:output "Dense"
dc:description "Extract a spectrogram with constant ratio of centre frequency to resolution from the input audio"
sovarr:feature "Constant-Q Spectrogram"
sovarr:source "Queen Mary, University of London"
 
sovarr:CorrelationPattern
sovarr:computed_in "MIREX"
sovarr:author "Klaus Seyerlehner"
sovarr:feature "Correlation Pattern"
rdfs:label "CorrelationPattern"
rdf:type rdfs:Resource
sovarr:source "MIREX 2012"
 
sovarr:Crest
dc:description "measures the "crest factor" of a time-domain signal, i.e. the ratio of the absolute peak to the absolute mean over a certain time period"
rdfs:label "Crest"
sovarr:computed_in "LibXtract", "SuperCollider"
rdf:type rdfs:Resource
 
sovarr:CrossCorrelation
dc:description "Computes the cross correlation of an input."
rdfs:label "CrossCorrelation"
sovarr:computed_in "Marsyas", "SMIRk"
rdf:type rdfs:Resource
 
sovarr:CyclicBeatSpectrum
sovarr:appdomain "music information retrieval"
sovarr:computation "Comb Filter", "Windowing", "Root Mean Square", "Discrete Fourier Transform", "Derivation Difference", "Lowpass Filter"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "CyclicBeatSpectrum"
sovarr:domain "modulation frequency"
sovarr:complexity "high"
rdfs:label "CyclicBeatSpectrum"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "interframe"
 
sovarr:DWPTbasedRhythmFeature
sovarr:appdomain "music information retrieval"
sovarr:computation "Spectral binning", "Autocorrelation", "Windowing", "Discrete Wavelet Transform", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "DWPTbasedRhythmFeature"
sovarr:domain "modulation frequency"
sovarr:complexity "medium"
rdfs:label "DWPTbasedRhythmFeature"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "interframe"
 
sovarr:Daub4
dc:description "Daubechies4 WaveletStep"
rdfs:label "Daub4"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:DaubechiesWaveletCoefficientHistogram
sovarr:appdomain "music information retrieval"
sovarr:computation "Spectral binning", "Windowing", "Discrete Wavelet Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "DaubechiesWaveletCoefficientHistogram"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "DaubechiesWaveletCoefficientHistogram"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "28"
sovarr:temporalscale "intraframe"
 
sovarr:Decay
sovarr:signal "Temporal Energy Envelope"
sovarr:feature "Decay"
sovarr:computed_in "TimbreToolbox"
rdfs:label "Decay"
rdf:type rdfs:Resource
 
sovarr:Decaytime
rdfs:label "Decaytime"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:DecorrelatedFilterBanks
sovarr:computed_in "MIREX"
sovarr:author "Shin-Cheol Lim"
sovarr:feature "Decorrelated Filter Banks"
rdfs:label "DecorrelatedFilterBanks"
rdf:type rdfs:Resource
sovarr:source "MIREX"
 
sovarr:Decrease
dc:description "a measure of the amount of decrease in the signal energy"
rdfs:label "Decrease"
sovarr:computed_in "CLAM"
sovarr:tag "Audio"
rdf:type rdfs:Resource
 
sovarr:DecreaseSlope
sovarr:signal "Temporal Energy Envelope"
sovarr:feature "DecreaseSlope"
sovarr:computed_in "TimbreToolbox"
rdfs:label "DecreaseSlope"
rdf:type rdfs:Resource
 
sovarr:DeltaDeltaMFCC
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "DeltaDeltaMFCC"
sovarr:type_of_feature "Spectral Feature"
sovarr:feature "Delta Delta MFCC"
sovarr:dimensions "12"
rdf:type rdfs:Resource
 
sovarr:DeltaMFCC
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "DeltaMFCC"
sovarr:type_of_feature "Spectral Feature"
sovarr:feature "Delta MFCC"
sovarr:dimensions "12"
rdf:type rdfs:Resource
 
sovarr:DeltaSpectralPattern
sovarr:computed_in "MIREX"
sovarr:author "Klaus Seyerlehner"
sovarr:feature "Delta Spectral Pattern"
rdfs:label "DeltaSpectralPattern"
rdf:type rdfs:Resource
sovarr:source "MIREX 2012"
 
sovarr:Derivate
dc:description "Compute temporal derivative of input feature. The derivative is approximated by"
rdfs:label "Derivate"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:Deviation
dc:description "Standard Deviation of each row of observations"
rdfs:label "Deviation"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:Differencevector
rdfs:label "Differencevector"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:DiscreteCosineTransform
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "DiscreteCosineTransform"
sovarr:output "Dense"
dc:description "Extract the DCT of an audio signal"
sovarr:feature "Discrete Cosine Transform"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:DiscreteWaveletTransform
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "DiscreteWaveletTransform"
sovarr:output "Dense"
dc:description "Visualisation by scalogram"
sovarr:feature "Discrete Wavelet Transform"
sovarr:source "Queen Mary, University of London"
 
sovarr:DistanceMatrix
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "DistanceMatrix"
sovarr:output "Dense"
sovarr:feature "Distance Matrix (Similarity)"
sovarr:source "Queen Mary, University of London"
 
sovarr:DistancefromFirstChannel
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "DistancefromFirstChannel"
sovarr:output "Dense"
sovarr:feature "Distance from First Channel (Similarity)"
sovarr:source "Queen Mary, University of London"
 
sovarr:DistortionDiscriminantAnalysis
sovarr:appdomain "fingerprinting"
sovarr:computation "Modulated Complex Lapped Transform", "Windowing", "Logarithm", "Principal Component Analysis"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "DistortionDiscriminantAnalysis"
sovarr:domain "eigendomain"
sovarr:complexity "high"
rdfs:label "DistortionDiscriminantAnalysis"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "64"
sovarr:temporalscale "interframe"
 
sovarr:EffectiveDuration
sovarr:computed_in "Cuidado", "TimbreToolbox"
sovarr:frame_based "n"
rdfs:label "EffectiveDuration"
sovarr:signal "Temporal Energy Envelope"
sovarr:type_of_feature "GlobalTemporalFeature"
sovarr:feature "Effective Duration"
sovarr:dimensions "1"
rdf:type rdfs:Resource
 
sovarr:Energy
dc:description "the squared sum of spectral power distribution values", "the squared sum of audio samples amplitudes", "compute the Energy of the input observations into one column*/", "Compute energy as root mean square of an audio Frame."
rdfs:label "Energy"
sovarr:computed_in "Yaafe", "Marsyas", "CLAM"
sovarr:tag "Spectral", "Audio"
rdf:type rdfs:Resource
 
sovarr:EnergyBasedOnsetDetectionFunction
dc:description "This function calculates the local energy of the input spectral frame."
rdfs:label "EnergyBasedOnsetDetectionFunction"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:EnhADRess
dc:description "Azimuth Discrimination and Resynthesis (EnhADRess) implementation,which takes a stereo input (i.e. input is expected to be the output of a"
rdfs:label "EnhADRess"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:EnhADRessStereoSpectrum
dc:description "Takes the output of the enhADRessand outputs the panning coefficient for each spectral bin (N/2+1 bins)."
rdfs:label "EnhADRessStereoSpectrum"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:Envelope
dc:description "Extract amplitude envelope using hilbert transform, low-pass filtering and decimation."
rdfs:label "Envelope"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:EnvelopeShapeStatistics
dc:description "Centroid, spread, skewness and kurtosis of each frame's amplitude envelope. For more details about moments, see :ref:Shape Statistics shapestatistics."
rdfs:label "EnvelopeShapeStatistics"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:EvenHarmonicRatio
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "EvenHarmonicRatio"
sovarr:output "Dense"
dc:description "Extract the odd-to-even harmonic ratio of an audio spectrum"
sovarr:feature "Odd/even Harmonic Ratio"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:EventDensity
dc:description "estimates the average frequency of events, i.e., the number of note onsets per second"
rdfs:label "EventDensity"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Rhythm"
rdf:type rdfs:Resource
 
sovarr:FFTBinFrequencies
dc:description "The bin label, in Hz, of each power spectrum or magnitude spectrum bin. Not useful as a feature in itself, but useful for calculating other features from the magnitude spectrum and power spectrum."
sovarr:computed_in "JMIR"
rdfs:label "FFTBinFrequencies"
sovarr:name "FFT Bin Frequency Labels"
rdf:type rdfs:Resource
 
sovarr:FeatureMeans
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "FeatureMeans"
sovarr:output "Dense"
sovarr:feature "Feature Means (Similarity)"
sovarr:source "Queen Mary, University of London"
 
sovarr:FeatureVariances
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "FeatureVariances"
sovarr:output "Dense"
sovarr:feature "Feature Variances (Similarity)"
sovarr:source "Queen Mary, University of London"
 
sovarr:FilterbankMel
dc:description "Mel frequency filter bank coefficients. Set filter bank coefficients to Mel frequency bands"
rdfs:label "FilterbankMel"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:Flatnessdb
rdfs:label "Flatnessdb"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:FluctuationPattern
rdfs:label "FluctuationPattern"
sovarr:computed_in "Comirva"
rdf:type rdfs:Resource
 
sovarr:FluctuationPatternCent
rdfs:label "FluctuationPatternCent"
sovarr:computed_in "Comirva"
rdf:type rdfs:Resource
 
sovarr:FluctuationPatterns
sovarr:computed_in "MIREX"
sovarr:author "Franz de Leon"
sovarr:feature "Fluctuation Patterns"
rdfs:label "FluctuationPatterns"
rdf:type rdfs:Resource
sovarr:source "MIREX"
 
sovarr:FractionOfLowEnergyWindows
dc:description "The fraction of the last 100 windows that has an RMS less than the mean RMS in the last 100 windows. This can indicate how much of a signal is quiet relative to the rest of the signal."
sovarr:computed_in "JMIR"
rdfs:label "FractionOfLowEnergyWindows"
sovarr:name "Fraction Of Low Energy Windows"
rdf:type rdfs:Resource
 
sovarr:Frames
dc:description "Segment input signal into frames."
rdfs:label "Frames"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:FrequencyofEnergyModulation
sovarr:signal "Temporal Energy Envelope"
sovarr:feature "Frequency of Energy Modulation"
sovarr:computed_in "TimbreToolbox"
rdfs:label "FrequencyofEnergyModulation"
rdf:type rdfs:Resource
 
sovarr:FuncdamentalFrequency
rdfs:label "FuncdamentalFrequency"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:FundamentalFrequency
sovarr:computed_in "Vamp", "Cuidado", "TimbreToolbox"
sovarr:frame_based "y"
sovarr:domain "time"
rdfs:label "FundamentalFrequency"
sovarr:output "Dense"
dc:description "Extract the fundamental frequency of an audio signal"
sovarr:signal "Harmonic"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Fundamental frequency", "Fundamental Frequency"
sovarr:dimensions "1"
rdf:type rdfs:Resource
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:FundamentalFrequency(failsafe)
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "FundamentalFrequency(failsafe)"
sovarr:output "Dense"
dc:description "Extract the fundamental frequency of an audio signal (failsafe)"
sovarr:feature "Fundamental Frequency (failsafe)"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:FundamentalFrequencyModulation
sovarr:computed_in "Cuidado"
sovarr:frame_based "n"
rdfs:label "FundamentalFrequencyModulation"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Fundamental Frequency Modulation"
sovarr:dimensions "2"
rdf:type rdfs:Resource
 
sovarr:GeometricMean
dc:description "the geometric mean for the spectral power values sequence"
rdfs:label "GeometricMean"
sovarr:computed_in "CLAM"
sovarr:tag "Spectral"
rdf:type rdfs:Resource
 
sovarr:GeorgeTzanetakisModel
sovarr:computed_in "MIREX"
sovarr:author "Klaus Seyerlehner"
sovarr:feature "George Tzanetakis Model"
rdfs:label "GeorgeTzanetakisModel"
rdf:type rdfs:Resource
sovarr:source "MIREX 2012"
 
sovarr:GlobalSpectralShapeDescription
sovarr:computed_in "Cuidado"
sovarr:frame_based "MFCC"
rdfs:label "GlobalSpectralShapeDescription"
sovarr:type_of_feature "Spectral Feature"
sovarr:feature "Global Spectral Shape Description"
sovarr:dimensions "y"
rdf:type rdfs:Resource
 
sovarr:HarmonicChangeDetectionFunction
dc:description "the flux of the tonal centroid"
rdfs:label "HarmonicChangeDetectionFunction"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Tonality"
rdf:type rdfs:Resource
 
sovarr:HarmonicChangeValue
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "HarmonicChangeValue"
sovarr:output "Dense"
sovarr:feature "Harmonic Change Value (Chordino)"
sovarr:source "Matthias Mauch"
 
sovarr:HarmonicCoefficient
sovarr:appdomain "audio segmentation"
sovarr:computation "Windowing", "Sum, Weighted Sum", "Autocorrelation"
sovarr:dimensionality "one-dimensional"
sovarr:feature "HarmonicCoefficient"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "HarmonicCoefficient"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:HarmonicConcentration
sovarr:appdomain "music information retrieval"
sovarr:computation "Discrete Fourier Transform", "Energy Spectral Density", "Root Mean Square", "Windowing", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "HarmonicConcentration"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "HarmonicConcentration"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:HarmonicDerivate
sovarr:appdomain "music information retrieval"
sovarr:computation "Derivation Difference", "Logarithm", "Windowing", "Discrete Fourier Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "HarmonicDerivate"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "HarmonicDerivate"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:HarmonicEnergy
sovarr:signal "Harmonic"
sovarr:feature "Harmonic Energy"
sovarr:computed_in "TimbreToolbox"
rdfs:label "HarmonicEnergy"
rdf:type rdfs:Resource
 
sovarr:HarmonicEnergyEntropy
sovarr:appdomain "music information retrieval"
sovarr:computation "Entropy", "Discrete Fourier Transform", "Windowing", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "HarmonicEnergyEntropy"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "HarmonicEnergyEntropy"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:HarmonicPitchClassProfile
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "HarmonicPitchClassProfile"
sovarr:output "Dense"
dc:description "Return the instantaneous evolution of HPCP (Harmonic Pitch Class Profile) of a signal."
sovarr:feature "HPCP"
sovarr:source "Music Technology Group, Universitat Pompeu Fabra"
 
sovarr:HarmonicProductSpectrum
rdfs:label "HarmonicProductSpectrum"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:HarmonicProminence
sovarr:appdomain "environmental sound recognition"
sovarr:computation "Autocorrelation", "Windowing", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "HarmonicProminence"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "HarmonicProminence"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:HarmonicSpectralCentroid
sovarr:computed_in "JMIR", "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralCentroid"
dc:description "Spectral Centroid calculated based on the center of mass of partials instead of center of mass of bins."
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral centroid"
sovarr:dimensions "6"
sovarr:name "Partial Based Spectral Centroid"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralDecrease
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralDecrease"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral decrease"
sovarr:dimensions "1"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralDeviation
sovarr:computed_in "Cuidado", "TimbreToolbox"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralDeviation"
sovarr:signal "Harmonic"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral Deviation"
sovarr:dimensions "3"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralFlux
dc:description "Cacluate the correlation bettween adjacent frames based peaks instead of spectral bins. Peak tracking is primitive - whe the number of bins changes, the bottom bins are matched sequentially and the extra unmatched bins are ignored.) definition = new FeatureDefinition(name, description, true, 1) dependencies = new String[] { Peak Detection, Peak Detection } offsets = new int[] { 0, -1 } } /** * Extract the peak based spectral flux from the window. * @param samples * The samples to extract the feature from. * @param sampling_rate * The sampling rate that the samples are encoded with. * @param other_feature_values * The values of other features that are needed to calculate this * value. The order and offsets of these features must be the * same as those returned by this class's getDependencies and * getDependencyOffsets methods respectively. The first indice * indicates the feature/window and the second indicates the * value. * @return The extracted feature value(s). * @throws Exception * Throws an informative exception if the feature cannot be * calculated. * @see jAudioFeatureExtractor.AudioFeatures.FeatureExtractor#extractFeature(double[], * double, double[][]) */ public double[] extractFeature(double[] samples, double sampling_rate, double[][] other_feature_values) { double[] result = new double[1] double[] old = other_feature_values[1] double[] now = other_feature_values[0] double x, y, xy, x2, y2 x = y = xy = x2 = y2 = 0.0 int peakCount = Math.min(old.length, now.length) for (int i = 0 i < peakCount i) { x = old[i] y = now[i] xy = old[i] * now[i] x2 = old[i] * old[i] y2 = now[i] * now[i] } double top = xy - (x * y) / peakCount double bottom = Math.sqrt(Math.abs((x2 - ((x * x) / peakCount)) * (y2 - ((y * y) / peakCount)))) result[0] = top / bottom return result } /** * Proviede a complete copy of this feature. Used to implement the prottype * pattern */ public Object clone() { return new HarmonicSpectralFlux() } }"
sovarr:computed_in "JMIR"
rdfs:label "HarmonicSpectralFlux"
sovarr:name "Partial Based Spectral Flux"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralKurtosis
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralKurtosis"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral kurtosis"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralRolloff
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralRolloff"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral rolloff"
sovarr:dimensions "1"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralShape
sovarr:computed_in "Cuidado"
sovarr:frame_based "Harmonic Spectral centroid"
rdfs:label "HarmonicSpectralShape"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral Shape"
sovarr:dimensions "y"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralSkewness
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralSkewness"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral skewness"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralSlope
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralSlope"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral slope"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralSmoothness
dc:description "Peak Based Spectral Smoothness is calculated from partials, not frequency bins. It is implemented accortding to McAdams 99 System.getProperty(line.separator) System.getProperty(line.separator) McAdams, S. 1999."
sovarr:computed_in "JMIR"
rdfs:label "HarmonicSpectralSmoothness"
sovarr:name "Peak Based Spectral Smoothness"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralSpread
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralSpread"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral spread"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectralVariation
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicSpectralVariation"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Spectral variation"
sovarr:dimensions "3"
rdf:type rdfs:Resource
 
sovarr:HarmonicSpectrum
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "HarmonicSpectrum"
sovarr:output "Dense"
dc:description "Extract the harmonics from an audio spectrum"
sovarr:feature "Harmonic Spectrum"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:HarmonicTristimulus
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "HarmonicTristimulus"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Harmonic Tristimulus"
sovarr:dimensions "9"
rdf:type rdfs:Resource
 
sovarr:HighFrequencyContent
dc:description "sum of the squared spectrum magnitude multiplied by the wave number of the bin"
rdfs:label "HighFrequencyContent"
sovarr:computed_in "CLAM"
sovarr:tag "Spectral"
rdf:type rdfs:Resource
 
sovarr:HighFrequencyContentOnsetDetectionFunction
dc:description "This method computes the High Frequency Content (HFC) of the input spectral frame. The resulting function is efficient at detecting percussive onsets"
rdfs:label "HighFrequencyContentOnsetDetectionFunction"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:HighestValue
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "HighestValue"
sovarr:output "Dense"
dc:description "Extract the highest value from a given range"
sovarr:feature "Highest Value"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:HistogramIntegrator
dc:description "Feature transform that compute histogram of input values"
rdfs:label "HistogramIntegrator"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:IBTINESCBeatTracker
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "IBTINESCBeatTracker"
sovarr:output "Sparse"
dc:description "Estimates beat locations and tempo (off-line [default] and on-line modes of operation)"
sovarr:feature "IBT - INESC Beat Tracker"
sovarr:source "Marsyas Plugins"
 
sovarr:Inharmonicity
sovarr:type_of_feature "Harmonic Feature"
sovarr:appdomain "music information retrieval"
sovarr:computed_in "Vamp", "Cuidado", "TimbreToolbox", "MIRToolbox"
sovarr:computation "Median", "Autocorrelation", "Windowing", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "Inharmonicity"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "Inharmonicity"
sovarr:tag "Pitch"
dc:description "Extract the inharmonicity of an audio spectrum", "the amount of partials that are not multiples of the fundamental frequency, takes into account the amount of energy outside the ideal harmonic series"
sovarr:signal "Harmonic"
sovarr:level "perceptual"
sovarr:frame_based "y"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
sovarr:output "Dense"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:IntegralLoudness
sovarr:appdomain "music information retrieval"
sovarr:computation "Exponential Function", "Windowing", "Root Mean Square", "Discrete Fourier Transform", "Logarithm", "Weighting Function"
sovarr:dimensionality "one-dimensional"
sovarr:feature "IntegralLoudness"
sovarr:domain "frequency"
sovarr:complexity "high"
rdfs:label "IntegralLoudness"
sovarr:model "psychoacoustic"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:Irregularity
dc:description "The degree of variation of the successive peaks of the spectrum"
rdfs:label "Irregularity"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Timbre"
rdf:type rdfs:Resource
 
sovarr:IrregularityI
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "IrregularityI"
sovarr:output "Dense"
dc:description "Extract the irregularity (type I) of an audio spectrum"
sovarr:feature "Irregularity I"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:IrregularityII
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "IrregularityII"
sovarr:output "Dense"
dc:description "Extract the irregularity (type II) of an audio spectrum"
sovarr:feature "Irregularity II"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:Irregularityj
rdfs:label "Irregularityj"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:Irregularityk
rdfs:label "Irregularityk"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:JointAcousticandModuluationFrequency
sovarr:appdomain "several"
sovarr:computation "Regression", "Root Mean Square", "Windowing", "Discrete Wavelet Transform", "Discrete Fourier Transform", "Lowpass Filter"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "JointAcousticandModuluationFrequency"
sovarr:domain "modulation frequency"
sovarr:complexity "high"
rdfs:label "JointAcousticandModuluationFrequency"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "interframe"
 
sovarr:Key
sovarr:computed_in "Vamp", "MIRToolbox"
rdf:type rdfs:Resource
sovarr:domain "time"
sovarr:tag "Tonality"
rdfs:label "Key"
sovarr:output "Sparse"
dc:description "The best candidate key"
sovarr:feature "Key (Key Detector)"
sovarr:source "Queen Mary, University of London"
 
sovarr:KeyDetector
sovarr:computed_in "Vamp", "SuperCollider"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "KeyDetector"
dc:description "A (12TET major/minor) key tracker based on a pitch class profile of energy across FFT bins and matching this to templates for major and minor scales in all transpositions. It assumes a 440 Hz concert A reference. Output is 0-11 C major to B major, 12-23 C minor to B minor.", "Estimate the key of the music"
sovarr:feature "Key Detector"
sovarr:source "Queen Mary, University of London"
 
sovarr:KeyMode
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "KeyMode"
sovarr:output "Sparse"
sovarr:feature "Key Mode (Key Detector)"
sovarr:source "Queen Mary, University of London"
 
sovarr:KeySOM
dc:description "Projects the chromagram into a self-organizing map"
rdfs:label "KeySOM"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Tonality"
rdf:type rdfs:Resource
 
sovarr:KeyStrength
dc:description "The probability distribution across possible keys"
rdfs:label "KeyStrength"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Tonality"
rdf:type rdfs:Resource
 
sovarr:KeyStrengthPlot
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "KeyStrengthPlot"
sovarr:output "Dense"
sovarr:feature "Key Strength Plot (Key Detector)"
sovarr:source "Queen Mary, University of London"
 
sovarr:KrumhanslKeyFinder
dc:description "Krumhansl-Schmuckler Key-Finding Algorithm"
rdfs:label "KrumhanslKeyFinder"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:KullbackLieblerOnsetDetectionFunction
dc:description "Kullback-Liebler onset detection function."
rdfs:label "KullbackLieblerOnsetDetectionFunction"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:LNorm
rdfs:label "LNorm"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:LineSpectralFrequencies
sovarr:appdomain "several"
sovarr:computed_in "Yaafe"
sovarr:computation "Autoregression", "Windowing", "Percentile"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "LineSpectralFrequencies"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "LineSpectralFrequencies"
dc:description "Compute the Line Spectral Frequency (LSF) coefficients of a signal frame. Algorithm was adapted from ([TB2006]_, [SH1976]_)."
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:LineSpectralPairs
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "LineSpectralPairs"
sovarr:output "Dense"
dc:description "Marsyas - Batch Feature Extract - Line Spectral Pairs"
sovarr:feature "Marsyas - Batch Feature Extract - Line Spectral Pairs"
sovarr:source "Marsyas Plugins"
 
sovarr:LinearPredictionCepstralCoefficients
sovarr:appdomain "speech recognition"
sovarr:computed_in "Vamp", "LibXtract", "Marsyas"
sovarr:computation "Windowing", "Autoregression", "Bandpass Filter", "Cepstral Recursion Formula"
sovarr:dimensionality "multi-dimensional"
sovarr:abbreviation "LPCC"
sovarr:domain "cepstral", "time"
sovarr:complexity "medium"
rdfs:label "LinearPredictionCepstralCoefficients"
sovarr:output "Dense"
dc:description "Convert LPC coefficients to Cepstrum coefficients.", "Marsyas - Batch Feature Extract - Linear Prediction Cepstral Coefficients"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
sovarr:source "Marsyas Plugins"
sovarr:feature "Marsyas - Batch Feature Extract - Linear Prediction Cepstral Coefficients", "LinearPredictionCepstralCoefficients"
 
sovarr:LinearPredictionZCR
sovarr:appdomain "speech recognition"
sovarr:computation "Spectral binning", "Autoregression", "Windowing"
sovarr:dimensionality "one-dimensional"
sovarr:feature "LinearPredictionZCR"
sovarr:domain "temporal"
sovarr:complexity "low"
rdfs:label "LinearPredictionZCR"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:LinearPredictiveCoding
sovarr:appdomain "speech recognition"
sovarr:name "LPC"
sovarr:computed_in "Yaafe", "Marsyas", "LibXtract", "JMIR", "SMIRk"
sovarr:computation "Windowing", "Autoregression", "Bandpass Filter", "Discrete Fourier Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:abbreviation "LPC"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "LinearPredictiveCoding"
dc:description "Compute the Linear Predictor Coefficients (LPC) of a signal frame. It uses autocorrelation and Levinson-Durbin algorithm. see [JM1975]_.", "Compute Warped LPC coefficients, Pitch and Power [STILL UNDER TESTING!].", "Linear Prediction Coeffecients calculated using autocorrelation and Levinson-Durbin recursion."
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
sovarr:feature "LinearPredictiveCoding"
 
sovarr:LinearSpectralPairs
dc:description "Compute Linear Spectral Pair (LSP) coefficientsTakes the output of ::LPC() and calculates the corresponding LSP values."
rdfs:label "LinearSpectralPairs"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:LocalSingleGaussianModel
sovarr:computed_in "MIREX"
sovarr:author "Klaus Seyerlehner"
sovarr:feature "Local Single Gaussian Model"
rdfs:label "LocalSingleGaussianModel"
rdf:type rdfs:Resource
sovarr:source "MIREX 2012"
 
sovarr:LocalTuning
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "LocalTuning"
sovarr:output "Dense"
sovarr:feature "Local Tuning (Tuning)"
sovarr:source "Matthias Mauch"
 
sovarr:LogAttackTime
sovarr:computed_in "CLAM", "TimbreToolbox", "Cuidado"
rdf:type rdfs:Resource
sovarr:tag "Audio"
rdfs:label "LogAttackTime"
dc:description "the base 10 logarithm of the rise time"
sovarr:signal "Temporal Energy Envelope"
sovarr:type_of_feature "GlobalTemporalFeature"
sovarr:frame_based "n"
sovarr:feature "Log Attack Time", "Log-Attack Time"
sovarr:dimensions "1"
 
sovarr:LogConstantQ
dc:description "logarithm of each bin of exponentially-spaced frequency bins."
sovarr:computed_in "JMIR"
rdfs:label "LogConstantQ"
sovarr:name "Log of ConstantQ"
rdf:type rdfs:Resource
 
sovarr:LogFrequencySpectrum
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "LogFrequencySpectrum"
sovarr:output "Dense"
sovarr:feature "Log-Frequency Spectrum (NNLS Chroma)"
sovarr:source "Matthias Mauch"
 
sovarr:LogLikelihoodofChordEstimate
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "LogLikelihoodofChordEstimate"
sovarr:output "Dense"
sovarr:feature "Log-Likelihood of Chord Estimate (Chordino)"
sovarr:source "Matthias Mauch"
 
sovarr:LogarithmicFluctuationPattern
sovarr:computed_in "MIREX"
sovarr:author "Klaus Seyerlehner"
sovarr:feature "Logarithmic Fluctuation Pattern"
rdfs:label "LogarithmicFluctuationPattern"
rdf:type rdfs:Resource
sovarr:source "MIREX 2012"
 
sovarr:Loudness
sovarr:computed_in "SuperCollider", "LibXtract", "Yaafe", "Vamp", "PsySound3", "Cuidado"
sovarr:frame_based "y"
sovarr:domain "frequency"
rdfs:label "Loudness"
sovarr:output "Dense"
dc:description "A perceptual loudness function which outputs loudness in sones; this is a variant of an MP3 perceptual model, summing excitation in ERB bands. It models simple spectral and temporal masking, with equal loudness contour correction in ERB bands to obtain phons (relative dB), then a phon to sone transform. The final output is typically in the range of 0 to 64 sones, though higher values can occur with specific synthesised stimuli.", "The loudness coefficients are the energy in each Bark band, normalized by the overall sum. see [GP2004]_ and [MG1997]_ for more details.", "Extract the loudness of an audio signal from its spectrum"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Loudness"
sovarr:dimensions "1"
rdf:type rdfs:Resource
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:LowEnergy
dc:description "percentage of frames showing less than average energy"
rdfs:label "LowEnergy"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Dynamics"
rdf:type rdfs:Resource
 
sovarr:LowFreqEnergyRelation
dc:description "the ratio between the energy over 0-100 Hz band and the whole spectrum energy"
rdfs:label "LowFreqEnergyRelation"
sovarr:computed_in "CLAM"
sovarr:tag "Spectral"
rdf:type rdfs:Resource
 
sovarr:LowestValue
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "LowestValue"
sovarr:output "Dense"
dc:description "Extract the lowest value from a given range"
sovarr:feature "Lowest Value"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:MELODIAMelodyExtraction
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "MELODIAMelodyExtraction"
sovarr:output "Dense"
dc:description "Estimates the melody pitch in polyphonic music (also good for homophonic and monophonic music). Segments without melody are indicated by zero or negative values. For further details please read: J. Salamon and E. Gomez, "Melody Extraction from Polyphonic Music Signals using Pitch Contour Characteristics", IEEE Transactions on Audio, Speech and Language Processing, 20(6):1759-1770, 2012. We would highly appreciate the above reference being cited in publications of work in which this plug-in was used."
sovarr:feature "MELODIA - Melody Extraction"
sovarr:source "Music Technology Group, Universitat Pompeu Fabra"
 
sovarr:MELODIAMelodyExtraction(intermediatesteps)
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "MELODIAMelodyExtraction(intermediatesteps)"
dc:description "Provides visualisations of the intermediate steps calculated by the melody extraction algorithm implemented in the MELODIA - Melody Extraction plug-in. For further details please read: J. Salamon and E. Gomez, "Melody Extraction from Polyphonic Music Signals using Pitch Contour Characteristics", IEEE Transactions on Audio, Speech and Language Processing, 20(6):1759-1770, 2012. We would highly appreciate the above reference being cited in publications of work in which this plug-in was used."
sovarr:feature "MELODIA - Melody Extraction (intermediate steps)"
sovarr:source "Music Technology Group, Universitat Pompeu Fabra"
 
sovarr:MIDINote
dc:description "estimates MIDI note value based on segmentation and pitch detection"
rdfs:label "MIDINote"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Pitch"
rdf:type rdfs:Resource
 
sovarr:MPEG7AudioFundamentalFrequency
sovarr:appdomain "several"
sovarr:computed_in "MPEG-7"
sovarr:computation "Windowing", "Sum, Weighted Sum", "Autocorrelation"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "MPEG7AudioFundamentalFrequency"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "MPEG7AudioFundamentalFrequency"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "2"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7AudioHarmonicity
sovarr:appdomain "several"
sovarr:computed_in "MPEG-7"
sovarr:computation "Windowing", "Sum, Weighted Sum", "Autocorrelation"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "MPEG7AudioHarmonicity"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MPEG7AudioHarmonicity"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "2"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7AudioSpectrumBasis
sovarr:appdomain "environmental sound recognition"
sovarr:computed_in "MPEG-7"
sovarr:computation "Regression", "Independent Component Analysis", "Discrete Fourier Transform", "Logarithm", "Windowing", "Normalization", "Singular Value Decomposition"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "MPEG7AudioSpectrumBasis"
sovarr:domain "eigendomain"
sovarr:complexity "high"
rdfs:label "MPEG7AudioSpectrumBasis"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "interframe"
 
sovarr:MPEG7AudioSpectrumCentroid
sovarr:appdomain "several"
sovarr:computed_in "MPEG-7"
sovarr:computation "Windowing", "Logarithm", "Regression", "Mean", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7AudioSpectrumCentroid"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MPEG7AudioSpectrumCentroid"
sovarr:model "psychoacoustic"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7AudioSpectrumSpread
sovarr:appdomain "several"
sovarr:computed_in "MPEG-7"
sovarr:computation "Windowing", "Logarithm", "Median", "Regression", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7AudioSpectrumSpread"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MPEG7AudioSpectrumSpread"
sovarr:model "psychoacoustic"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7AudioWaveform
sovarr:computed_in "MPEG-7"
sovarr:computation "Windowing", "Sum, Weighted Sum", "Histogram"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "MPEG7AudioWaveform"
sovarr:domain "temporal"
sovarr:complexity "low"
rdfs:label "MPEG7AudioWaveform"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "2"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7HarmonicSpectralCentroid
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MPEG-7"
sovarr:computation "Discrete Fourier Transform", "Windowing", "Mean", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7HarmonicSpectralCentroid"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MPEG7HarmonicSpectralCentroid"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7HarmonicSpectralDeviation
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MPEG-7"
sovarr:computation "Windowing", "Median", "Mean", "Discrete Fourier Transform", "Logarithm", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7HarmonicSpectralDeviation"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MPEG7HarmonicSpectralDeviation"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7HarmonicSpectralSpread
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MPEG-7"
sovarr:computation "Median", "Discrete Fourier Transform", "Windowing", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7HarmonicSpectralSpread"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MPEG7HarmonicSpectralSpread"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7HarmonicSpectralVariation
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MPEG-7"
sovarr:computation "Discrete Fourier Transform", "Cross-Correlation", "Windowing", "Level Crossing Detector"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7HarmonicSpectralVariation"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MPEG7HarmonicSpectralVariation"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:MPEG7LogAttackTime
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MPEG-7"
sovarr:computation "Power", "Logarithm", "Windowing", "Root Mean Square"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7LogAttackTime"
sovarr:domain "temporal"
sovarr:complexity "low"
rdfs:label "MPEG7LogAttackTime"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "global"
 
sovarr:MPEG7SpectralCentroid
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MPEG-7"
sovarr:computation "Mean", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7SpectralCentroid"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "MPEG7SpectralCentroid"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "global"
 
sovarr:MPEG7TemporalCentroid
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MPEG-7"
sovarr:computation "Power", "Windowing", "Mean"
sovarr:dimensionality "one-dimensional"
sovarr:feature "MPEG7TemporalCentroid"
sovarr:domain "temporal"
sovarr:complexity "low"
rdfs:label "MPEG7TemporalCentroid"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "interframe"
 
sovarr:MagnitudeKurtosis
rdfs:label "MagnitudeKurtosis"
sovarr:computed_in "CLAM"
sovarr:tag "Spectral"
rdf:type rdfs:Resource
 
sovarr:MagnitudeSkewness
rdfs:label "MagnitudeSkewness"
sovarr:computed_in "CLAM"
sovarr:tag "Spectral"
rdf:type rdfs:Resource
 
sovarr:MagnitudeSpectrum
dc:description "A measure of the strength of different frequency components.", "Compute frame's magnitude spectrum, using an analysis window (Hanning or Hamming), or not."
sovarr:computed_in "Yaafe", "JMIR"
rdfs:label "MagnitudeSpectrum"
sovarr:name "Magnitude Spectrum"
rdf:type rdfs:Resource
 
sovarr:MandelEllis
rdfs:label "MandelEllis"
sovarr:computed_in "Comirva"
rdf:type rdfs:Resource
 
sovarr:MaxArgMax
dc:description "Calculate k maximums and their positions"
rdfs:label "MaxArgMax"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:MaxMagFreq
dc:description "frequency of the maximum magnitude of the spectrum"
rdfs:label "MaxMagFreq"
sovarr:computed_in "CLAM"
sovarr:tag "Spectral"
rdf:type rdfs:Resource
 
sovarr:MaxMin
dc:description "Calculate the maximum and minimum values for each observationsignal (per slice)."
rdfs:label "MaxMin"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:Mean
sovarr:computed_in "Vamp", "LibXtract", "Marsyas", "CLAM"
rdf:type rdfs:Resource
sovarr:domain "frequency"
sovarr:tag "Audio"
rdfs:label "Mean"
sovarr:output "Dense"
dc:description "the mean value of the absolute value of the audio samples amplitude", "Extract the mean of a range of values", "Mean calculate the mean of each row of observations"
sovarr:feature "Mean"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:MeanAbsoluteDeviation
dc:description "Calculates the mean absolute deviation"
rdfs:label "MeanAbsoluteDeviation"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:MeansofCoefficients
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "MeansofCoefficients"
sovarr:output "Dense"
sovarr:feature "Means of Coefficients (Mel-Frequency Cepstral Coefficients)"
sovarr:source "Queen Mary, University of London"
 
sovarr:MeddisHairCell
dc:description "MeddisHairCell for auditory models"
rdfs:label "MeddisHairCell"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:Median
dc:description "Median calculate the median of each row of observations"
rdfs:label "Median"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:MelSpectrum
dc:description "Compute the Mel-frequencies spectrum [DM1980]_."
rdfs:label "MelSpectrum"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:MelscaleFrequencyCepstralCoefficients
sovarr:type_of_feature "Spectral Feature"
sovarr:appdomain "several"
sovarr:name "MFCC"
sovarr:computed_in "SuperCollider", "CLAM", "LibXtract", "Comirva", "Aubio", "Yaafe", "Vamp", "JMIR", "Marsyas", "Cuidado", "MIRToolbox"
sovarr:computation "Windowing", "Logarithm", "Regression", "Discrete Cosine Transform", "Discrete Fourier Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:abbreviation "MFCC"
sovarr:domain "cepstral", "frequency", "time"
sovarr:complexity "high"
rdfs:label "MelscaleFrequencyCepstralCoefficients"
sovarr:tag "Timbre", "Spectral"
dc:description "Compute the Mel-frequencies cepstrum coefficients [DM1980]_.", "Mel-frequency cepstrum coefficients object", "Generates a set of MFCCs; these are obtained from a band-based frequency representation (using the Mel scale by default), and then a discrete cosine transform (DCT). The DCT is an efficient approximation for principal components analysis, so that it allows a compression, or reduction of dimensionality, of the data, in this case reducing 42 band readings to a smaller set of MFCCs. A small number of features (the coefficients) end up describing the spectrum. The MFCCs are commonly used as timbral descriptors.", "MFCC calculations based upon Orange Cow code", "Calculate a series of MFCC vectors from the audio", "MFCC Mel-Frequency Cepstral Coefficients.Takes as input the N/2+1 spectrum Magnitude points output by PowerSpectrum.", "Extract MFCC from an audio spectrum", "Marsyas - Batch Feature Extract - Mel-Frequency Cepstral Coefficients"
sovarr:model "psychoacoustic"
sovarr:level "physical"
sovarr:frame_based "y"
rdf:type rdfs:Resource
sovarr:dimensions "12", "parameterized"
sovarr:temporalscale "intraframe"
sovarr:output "Dense"
sovarr:source "Queen Mary, University of London", "Marsyas Plugins", "libxtract by Jamie Bullock (plugin by Chris Cannam)"
sovarr:feature "MelscaleFrequencyCepstralCoefficients", "MFCC", "Coefficients (Mel-Frequency Cepstral Coefficients)", "Marsyas - Batch Feature Extract - Mel-Frequency Cepstral Coefficients", "Mel-Frequency Cepstral Coefficients"
 
sovarr:MinArgMin
dc:description "Calculate k minimums and their positions"
rdfs:label "MinArgMin"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:Mode
dc:description "Major vs. Minor, calculated as the strength difference between the best major and best minor key candidates"
rdfs:label "Mode"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Tonality"
rdf:type rdfs:Resource
 
sovarr:ModifiedGroupDelay
sovarr:appdomain "speech recognition"
sovarr:computation "Lowpass Filter", "Windowing", "Discrete Cosine Transform", "Group Delay Function", "Discrete Fourier Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "ModifiedGroupDelay"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "ModifiedGroupDelay"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:ModifiedKullbackLieblerOnsetDetectionFunction
dc:description "Modified Kullback-Liebler onset detection function."
rdfs:label "ModifiedKullbackLieblerOnsetDetectionFunction"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:ModulationFrequencyVarianceDescriptor
sovarr:computed_in "MIREX"
sovarr:author "Ponce", "T. Lidy"
sovarr:feature "Modulation Frequency Variance Descriptor"
rdfs:label "ModulationFrequencyVarianceDescriptor"
rdf:type rdfs:Resource
sovarr:source "MIREX 2008"
 
sovarr:Moments
dc:description "Statistical Method of Moments of the Magnitude Spectrum."
sovarr:computed_in "JMIR"
rdfs:label "Moments"
sovarr:name "Method of Moments"
rdf:type rdfs:Resource
 
sovarr:Multiplicity
rdfs:label "Multiplicity"
sovarr:computed_in "PsySound3"
rdf:type rdfs:Resource
 
sovarr:MultiresolutionEntropy
sovarr:appdomain "speech recognition"
sovarr:computation "Windowing", "Entropy", "Regression", "Normalization", "Discrete Fourier Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "MultiresolutionEntropy"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "MultiresolutionEntropy"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:NNLSChroma
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "NNLSChroma"
dc:description "This plugin provides a number of features derived from a DFT-based log-frequency amplitude spectrum: some variants of the log-frequency spectrum, including a semitone spectrum derived from approximate transcription using the NNLS algorithm; and based on this semitone spectrum, different chroma features."
sovarr:feature "NNLS Chroma"
sovarr:source "Matthias Mauch"
 
sovarr:NoiseEnergy
sovarr:signal "Harmonic"
sovarr:feature "Noise Energy"
sovarr:computed_in "TimbreToolbox"
rdfs:label "NoiseEnergy"
rdf:type rdfs:Resource
 
sovarr:NoiseRobustAuditoryFeature
sovarr:appdomain "environmental sound recognition"
sovarr:computation "Windowing", "Band-pass Filter Bank", "Derivation Difference", "Logarithm", "Lowpass Filter", "Weighting Function", "Discrete Cosine Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "NoiseRobustAuditoryFeature"
sovarr:domain "cepstral"
sovarr:complexity "high"
rdfs:label "NoiseRobustAuditoryFeature"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "256"
sovarr:temporalscale "intraframe"
 
sovarr:Noisiness
sovarr:computed_in "Vamp", "LibXtract", "Cuidado", "TimbreToolbox"
sovarr:frame_based "y"
sovarr:domain "frequency"
rdfs:label "Noisiness"
sovarr:output "Dense"
dc:description "Extract the noisiness of an audio spectrum"
sovarr:signal "Harmonic"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Noisiness"
sovarr:dimensions "1"
rdf:type rdfs:Resource
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:NonSilentRegions
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "NonSilentRegions"
sovarr:output "Sparse"
sovarr:feature "Non-Silent Regions (Aubio Silence Detector)"
sovarr:source "Paul Brossier (plugin by Chris Cannam)"
 
sovarr:Nonzerocount
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "Nonzerocount"
sovarr:output "Dense"
dc:description "Extract the number of non-zero elements in an input spectrum"
sovarr:feature "Non-zero count"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:NoteOnsetDetector
sovarr:computed_in "Vamp", "MIRToolbox"
rdf:type rdfs:Resource
sovarr:domain "frequency"
sovarr:tag "Rhythm"
rdfs:label "NoteOnsetDetector"
sovarr:output "Sparse"
dc:description "note onset times", "Estimate individual note onset positions"
sovarr:feature "Note Onset Detector", "Note Onsets (Note Onset Detector)"
sovarr:source "Queen Mary, University of London"
 
sovarr:NoteRepresentationofChordEstimate
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "NoteRepresentationofChordEstimate"
sovarr:output "Sparse"
sovarr:feature "Note Representation of Chord Estimate (Chordino)"
sovarr:source "Matthias Mauch"
 
sovarr:NoteTracker
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "NoteTracker"
sovarr:output "Sparse"
dc:description "Estimate note onset positions, pitches and durations"
sovarr:feature "Aubio Note Tracker"
sovarr:source "Paul Brossier (plugin by Chris Cannam)"
 
sovarr:OctaveBandSignalIntensity
dc:description "Compute Octave band signal intensity using a trigular octave filter bank ([SE2005]_)."
rdfs:label "OctaveBandSignalIntensity"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:OctaveBandSignalIntensityRatio
dc:description "Compute log of :class:OBSI ratio between consecutive octave."
rdfs:label "OctaveBandSignalIntensityRatio"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:OctaveBasedSpectralContrast
sovarr:computed_in "MIREX"
sovarr:author "Shin-Cheol Lim"
sovarr:feature "Octave-based Spectral Contrast"
rdfs:label "OctaveBasedSpectralContrast"
rdf:type rdfs:Resource
sovarr:source "MIREX"
 
sovarr:OddEvenRatio
rdfs:label "OddEvenRatio"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:OddToEvenBandRatio
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "OddToEvenBandRatio"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Odd to Even Band Ratio"
sovarr:dimensions "3"
rdf:type rdfs:Resource
 
sovarr:OddToEvenHarmonicRatio
sovarr:computed_in "Cuidado", "TimbreToolbox"
sovarr:frame_based "y"
rdfs:label "OddToEvenHarmonicRatio"
sovarr:signal "Harmonic"
sovarr:type_of_feature "Harmonic Feature"
sovarr:feature "Odd to Even Harmonic Ratio", "Odd to even harmonic ratio"
sovarr:dimensions "3"
rdf:type rdfs:Resource
 
sovarr:OnsetDetectionFunction
sovarr:computed_in "Vamp", "SuperCollider", "Aubio"
rdf:type rdfs:Resource
sovarr:domain "frequency", "time"
rdfs:label "OnsetDetectionFunction"
sovarr:output "Dense", "Sparse"
dc:description "Estimate note onset times", "These functions are designed to raise at notes attacks in music signals.", "Computes the onset detection function and detect peaks in these functions. When onsets are found above a given silence threshold, and after a minimum inter-onset interval, the output vector returned by aubio_onset_do is filled with 1. Otherwise, the output vector remains 0", "An onset detector for musical audio signals"
sovarr:feature "Onset Detection Function (Tempo and Beat Tracker)", "Aubio Onset Detector", "Onset Detection Function (Note Onset Detector)"
sovarr:source "Queen Mary, University of London", "Paul Brossier (plugin by Chris Cannam)"
 
sovarr:OrderedDistancesfromFirstChannel
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "OrderedDistancesfromFirstChannel"
sovarr:output "Dense"
sovarr:feature "Ordered Distances from First Channel (Similarity)"
sovarr:source "Queen Mary, University of London"
 
sovarr:PeakFinder
dc:description "All peaks that are within an order of magnitude of the highest point"
sovarr:computed_in "JMIR"
rdfs:label "PeakFinder"
sovarr:name "Peak Detection"
rdf:type rdfs:Resource
 
sovarr:PeakPicker
dc:description "Peak picking utilities function"
rdfs:label "PeakPicker"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:PeakSpectrum
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "PeakSpectrum"
sovarr:output "Dense"
dc:description "Extract the spectral peaks from an audio spectrum"
sovarr:feature "Peak Spectrum"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:Peaker
dc:description "Pick peaks out of signal"
rdfs:label "Peaker"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:PeakerOnset
dc:description "Detects if input contains a onset point"
rdfs:label "PeakerOnset"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:PerceptualLinearPrediction
sovarr:appdomain "speech recognition"
sovarr:computation "Autoregression", "Windowing", "Cepstral Recursion Formula", "Discrete Fourier Transform", "Regression", "Weighting Function", "Discrete Cosine Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "PerceptualLinearPrediction"
sovarr:domain "cepstral"
sovarr:complexity "high"
rdfs:label "PerceptualLinearPrediction"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:PerceptualSharpness
dc:description "Compute the sharpness of :class:Loudness coefficients, according to [GP2004]_."
rdfs:label "PerceptualSharpness"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralCentroid
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralCentroid"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral centroid"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralDecrease
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralDecrease"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral Decrease"
sovarr:dimensions "1"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralEnvelopeShape
sovarr:computed_in "Cuidado"
sovarr:frame_based "Perceptual Spectral centroid"
rdfs:label "PerceptualSpectralEnvelopeShape"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral Envelope Shape"
sovarr:dimensions "y"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralKurtosis
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralKurtosis"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral kurtosis"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralRolloff
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralRolloff"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral Rolloff"
sovarr:dimensions "1"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralSkewness
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralSkewness"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral skewness"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralSlope
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralSlope"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral Slope"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralSpread
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralSpread"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral spread"
sovarr:dimensions "6"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpectralVariation
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "PerceptualSpectralVariation"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "Perceptual Spectral Variation"
sovarr:dimensions "3"
rdf:type rdfs:Resource
 
sovarr:PerceptualSpread
dc:description "Compute the spread of :class:Loudness coefficients, according to [GP2004]_."
rdfs:label "PerceptualSpread"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:PhaseBasedMethodOnsetDetectionFunction
dc:description "Phase Based Method onset detection function."
rdfs:label "PhaseBasedMethodOnsetDetectionFunction"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:PhaseSpaceFeatures
sovarr:appdomain "speech recognition"
sovarr:computation "Phase Space Embedding", "Windowing"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "PhaseSpaceFeatures"
sovarr:domain "phase space"
sovarr:complexity "high"
rdfs:label "PhaseSpaceFeatures"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:Pitch
sovarr:appdomain "several"
sovarr:computed_in "Vamp", "SuperCollider", "Aubio", "MIRToolbox"
sovarr:computation "Windowing", "Sum, Weighted Sum", "Autocorrelation"
sovarr:dimensionality "one-dimensional"
sovarr:feature "Aubio Pitch Detector", "Pitch"
sovarr:domain "frequency", "time"
sovarr:complexity "low"
rdfs:label "Pitch"
sovarr:tag "Pitch"
dc:description "Generic method for pitch detection", "Track estimated note pitches", "Pitch estimated via ACF, autocorrelation spectrum or cepstrum, or a combination"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
sovarr:output "Sparse"
sovarr:source "Paul Brossier (plugin by Chris Cannam)"
 
sovarr:PitchCountours
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "PitchCountours"
sovarr:output "Dense"
sovarr:feature "Pitch Contours: All (MELODIA - Melody Extraction (intermediate steps))", "Pitch Contours: Melody (MELODIA - Melody Extraction (intermediate steps))"
sovarr:source "Music Technology Group, Universitat Pompeu Fabra"
 
sovarr:PitchDiff
dc:description "Difference between detected and expected pitch"
rdfs:label "PitchDiff"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:PitchFFTYIN
dc:description "Pitch detection using a spectral implementation of the YIN algorithm"
rdfs:label "PitchFFTYIN"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:PitchFastComb
dc:description "Pitch detection using a fast harmonic comb filter"
rdfs:label "PitchFastComb"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:PitchHistogram
sovarr:appdomain "music information retrieval"
sovarr:computation "Spectral binning", "Autocorrelation", "Windowing", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "PitchHistogram"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "PitchHistogram"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "interframe"
 
sovarr:PitchMultiComb
dc:description "Pitch detection using multiple-comb filter"
rdfs:label "PitchMultiComb"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:PitchProfile
sovarr:appdomain "music information retrieval"
sovarr:computation "Spectral binning", "Windowing", "Sum, Weighted Sum", "Constant Q Transform", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "PitchProfile"
sovarr:domain "frequency"
sovarr:complexity "high"
rdfs:label "PitchProfile"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "12"
sovarr:temporalscale "intraframe"
 
sovarr:PitchSchmitt
dc:description "Pitch detection using a Schmitt trigger"
rdfs:label "PitchSchmitt"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:PitchSynchronousZCPA
sovarr:appdomain "speech recognition"
sovarr:computation "Windowing", "Sum, Weighted Sum", "Root Mean Square", "Logarithm", "Autocorrelation", "Spectral binning", "Bandpass Filter"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "PitchSynchronousZCPA"
sovarr:domain "temporal"
sovarr:complexity "medium"
rdfs:label "PitchSynchronousZCPA"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:PitchYIN
dc:description "Pitch detection using the YIN algorithm"
rdfs:label "PitchYIN"
sovarr:computed_in "Marsyas", "Aubio"
rdf:type rdfs:Resource
 
sovarr:PolyphonicTranscription
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "PolyphonicTranscription"
sovarr:output "Sparse"
dc:description "Transcribe the input audio to estimated notes"
sovarr:feature "Polyphonic Transcription"
sovarr:source "Queen Mary, University of London"
 
sovarr:Power
dc:description "compute the RMS Power of the input observations into one column*/"
rdfs:label "Power"
sovarr:computed_in "LibXtract", "Marsyas"
rdf:type rdfs:Resource
 
sovarr:PowerSpectrum
dc:description "A measure of the power of different frequency components.", "PowerSpectrum computes the magnitude/power of the complex spectrum"
sovarr:computed_in "Marsyas", "JMIR"
rdfs:label "PowerSpectrum"
sovarr:name "Power Spectrum"
rdf:type rdfs:Resource
 
sovarr:PowerToAverageRatio
dc:description "PowerToAverageRatio (or Power-to-Average Ratio) of a window"
rdfs:label "PowerToAverageRatio"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:PrincipalMelSpectrumComponents
sovarr:computed_in "MIREX"
sovarr:author "Philippe Hamel"
sovarr:feature "Principal Mel-spectrum Components"
rdfs:label "PrincipalMelSpectrumComponents"
rdf:type rdfs:Resource
sovarr:source "MIREX"
 
sovarr:PsychoacousticalPitch
sovarr:appdomain "several"
sovarr:computation "Weighting Function", "Autocorrelation", "Bandpass Filter", "Root Mean Square"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "PsychoacousticalPitch"
sovarr:domain "frequency"
sovarr:complexity "high"
rdfs:label "PsychoacousticalPitch"
sovarr:model "psychoacoustic"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:PulseClarity
dc:description "estimates the rhythmic clarity, indicating the strength of the beats estimated by the tempo function"
rdfs:label "PulseClarity"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Rhythm"
rdf:type rdfs:Resource
 
sovarr:PulseMetric
sovarr:appdomain "audio segmentation"
sovarr:computation "Windowing", "Autocorrelation", "Bandpass Filter", "Root Mean Square"
sovarr:dimensionality "one-dimensional"
sovarr:feature "PulseMetric"
sovarr:domain "modulation frequency"
sovarr:complexity "medium"
rdfs:label "PulseMetric"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:PureTonalness
rdfs:label "PureTonalness"
sovarr:computed_in "PsySound3"
rdf:type rdfs:Resource
 
sovarr:RMSAmplitude
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "RMSAmplitude"
sovarr:output "Dense"
dc:description "Extract the RMS amplitude of an audio signal"
sovarr:feature "RMS Amplitude"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:RMSEnergy
dc:description "root mean square energy"
rdfs:label "RMSEnergy"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Dynamics"
rdf:type rdfs:Resource
 
sovarr:RMSEnergyEnvelope
sovarr:signal "Temporal Energy Envelope"
sovarr:feature "RMS-Energy Envelope"
sovarr:computed_in "TimbreToolbox"
rdfs:label "RMSEnergyEnvelope"
rdf:type rdfs:Resource
 
sovarr:RatescalefrequencyFeatures
sovarr:appdomain "environmental sound recognition"
sovarr:computation "Lowpass Filter", "Windowing", "Root Mean Square", "Discrete Wavelet Transform", "Derivation Difference", "Principal Component Analysis", "Band-pass Filter Bank", "Weighting Function"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "RatescalefrequencyFeatures"
sovarr:domain "eigendomain"
sovarr:complexity "high"
rdfs:label "RatescalefrequencyFeatures"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "256"
sovarr:temporalscale "interframe"
 
sovarr:RelaitvespecificLoudness
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "RelaitvespecificLoudness"
sovarr:type_of_feature "Perceptual Feature"
sovarr:feature "RelaitveSpecific Loudness"
sovarr:dimensions "24"
rdf:type rdfs:Resource
 
sovarr:RelativeDifferenceFunction
dc:description "Relative Difference Function"
sovarr:computed_in "JMIR"
rdfs:label "RelativeDifferenceFunction"
sovarr:name "Relative Difference Function"
rdf:type rdfs:Resource
 
sovarr:RelativeSpectralPLP
sovarr:appdomain "speech recognition"
sovarr:computation "Exponential Function", "Autoregression", "Windowing", "Cepstral Recursion Formula", "Discrete Fourier Transform", "Logarithm", "Regression", "Weighting Function", "Bandpass Filter", "Discrete Cosine Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "RelativeSpectralPLP"
sovarr:domain "cepstral"
sovarr:complexity "high"
rdfs:label "RelativeSpectralPLP"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:Release
sovarr:signal "Temporal Energy Envelope"
sovarr:feature "Release"
sovarr:computed_in "TimbreToolbox"
rdfs:label "Release"
rdf:type rdfs:Resource
 
sovarr:RhythmHistogram
sovarr:computed_in "MIREX"
sovarr:author "T. Lidy"
sovarr:feature "Rhythm Histogram"
rdfs:label "RhythmHistogram"
rdf:type rdfs:Resource
sovarr:source "MIREX 2008"
 
sovarr:RhythmPatterns
sovarr:appdomain "music information retrieval"
sovarr:computed_in "MIREX"
sovarr:computation "Windowing", "Regression", "Harmonic Peak Detection", "Discrete Fourier Transform", "Logarithm", "Lowpass Filter", "Weighting Function"
sovarr:author "T. Lidy"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "Rhythm Pattern", "RhythmPatterns"
sovarr:domain "modulation frequency"
sovarr:complexity "high"
rdfs:label "RhythmPatterns"
sovarr:model "psychoacoustic"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "80"
sovarr:temporalscale "interframe"
sovarr:source "MIREX 2008"
 
sovarr:RhythmicFluctuation
dc:description "Rhythmic periodicity along auditory channels"
rdfs:label "RhythmicFluctuation"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Rhythm"
rdf:type rdfs:Resource
 
sovarr:RiseTime
dc:description "the time duration between the signal reached 2% of it maximum value to the time it reaches 80% of its maximum value"
rdfs:label "RiseTime"
sovarr:computed_in "CLAM"
sovarr:tag "Audio"
rdf:type rdfs:Resource
 
sovarr:RootMeanSquare
dc:description "A measure of the power of a signal.", "Rms energy of realvec"
sovarr:computed_in "Marsyas", "JMIR", "SMIRk"
rdfs:label "RootMeanSquare"
sovarr:name "Root Mean Square"
rdf:type rdfs:Resource
 
sovarr:Roughness
dc:description "The average dissonance between all pairs of peaks in the spectrum"
rdfs:label "Roughness"
sovarr:computed_in "MIRToolbox"
sovarr:tag "Timbre"
rdf:type rdfs:Resource
 
sovarr:RunningAutocorrelation
dc:description "Running calculation (across slices) of the autocorrelation values."
rdfs:label "RunningAutocorrelation"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:RunningStatistics
dc:description "Gathers the running average, variance, standard deviation, etc."
rdfs:label "RunningStatistics"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:SalienceFunction
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "SalienceFunction"
sovarr:output "Dense"
sovarr:feature "Salience Function (MELODIA - Melody Extraction (intermediate steps))"
sovarr:source "Music Technology Group, Universitat Pompeu Fabra"
 
sovarr:Segmenter
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "Segmenter"
sovarr:output "Sparse"
dc:description "Divide the track into a sequence of consistent segments"
sovarr:feature "Segmenter"
sovarr:source "Queen Mary, University of London"
 
sovarr:SemitoneSpectrum
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "SemitoneSpectrum"
sovarr:output "Dense"
sovarr:feature "Semitone Spectrum (NNLS Chroma)"
sovarr:source "Matthias Mauch"
 
sovarr:Sharpness
sovarr:type_of_feature "Perceptual Feature"
sovarr:appdomain "several"
sovarr:computed_in "LibXtract", "PsySound3", "Cuidado"
sovarr:computation "Windowing", "Weighting Function", "Regression", "Mean", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "Sharpness"
sovarr:domain "frequency"
sovarr:complexity "medium"
rdfs:label "Sharpness"
sovarr:model "psychoacoustic"
sovarr:level "perceptual"
sovarr:frame_based "y"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:ShortTimeEnergy
sovarr:appdomain "several"
sovarr:computation "Deviation, Sum of Differences", "Windowing"
sovarr:dimensionality "one-dimensional"
sovarr:feature "ShortTimeEnergy"
sovarr:domain "temporal"
sovarr:complexity "low"
rdfs:label "ShortTimeEnergy"
sovarr:level "physical"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:SignalAutoCorrelationFunction
sovarr:computed_in "Cuidado"
sovarr:frame_based "y"
rdfs:label "SignalAutoCorrelationFunction"
sovarr:type_of_feature "GlobalTemporalFeature"
sovarr:feature "Signal Auto-correlation function"
sovarr:dimensions "12"
rdf:type rdfs:Resource
 
sovarr:SignalToNoiseRatio
dc:description "Compute SNR and variations"
rdfs:label "SignalToNoiseRatio"
sovarr:computed_in "Marsyas"
rdf:type rdfs:Resource
 
sovarr:SilenceTest
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "SilenceTest"
sovarr:output "Sparse"
dc:description "Detect levels below a certain threshold"
sovarr:feature "Silence Test (Aubio Silence Detector)", "Aubio Silence Detector"
sovarr:source "Paul Brossier (plugin by Chris Cannam)"
 
sovarr:SilentRegions
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "SilentRegions"
sovarr:output "Sparse"
sovarr:feature "Silent Regions (Aubio Silence Detector)"
sovarr:source "Paul Brossier (plugin by Chris Cannam)"
 
sovarr:Similarity
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "Similarity"
dc:description "Return a distance matrix for similarity between the input audio channels"
sovarr:feature "Similarity"
sovarr:source "Queen Mary, University of London"
 
sovarr:SlopeIntegrator
dc:description "Feature transform that compute the slope of input feature over the given number of frames."
rdfs:label "SlopeIntegrator"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:SmoothedDetectionFunction
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "SmoothedDetectionFunction"
sovarr:output "Sparse"
sovarr:feature "Smoothed Detection Function (Note Onset Detector)"
sovarr:source "Queen Mary, University of London"
 
sovarr:Smoothness
rdfs:label "Smoothness"
sovarr:computed_in "LibXtract"
rdf:type rdfs:Resource
 
sovarr:Sone
sovarr:appdomain "music information retrieval"
sovarr:computation "Regression", "Windowing", "Discrete Fourier Transform", "Logarithm", "Lowpass Filter", "Weighting Function"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "Sone"
sovarr:domain "frequency"
sovarr:complexity "high"
rdfs:label "Sone"
sovarr:model "psychoacoustic"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "parameterized"
sovarr:temporalscale "intraframe"
 
sovarr:SpectralAverageDeviation
sovarr:computed_in "Vamp", "LibXtract"
rdf:type rdfs:Resource
sovarr:domain "frequency"
rdfs:label "SpectralAverageDeviation"
sovarr:output "Dense"
dc:description "Extract the average deviation of an audio spectrum"
sovarr:feature "Spectral Average Deviation"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:SpectralCenter
sovarr:appdomain "music information retrieval"
sovarr:computation "Harmonic Peak Detection", "Energy Spectral Density", "Windowing", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "SpectralCenter"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "SpectralCenter"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:SpectralCentroid
sovarr:type_of_feature "Spectral Feature"
sovarr:appdomain "several"
sovarr:name "Spectral Centroid"
sovarr:computed_in "SuperCollider", "SMIRk", "LibXtract", "Aubio", "CLAM", "Vamp", "Marsyas", "JMIR", "Cuidado", "TimbreToolbox"
sovarr:computation "Windowing", "Logarithm", "Regression", "Mean", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "Spectral centroid", "Marsyas - Batch Feature Extract - Centroid", "SpectralCentroid", "Spectral Centroid"
sovarr:domain "frequency", "time"
sovarr:complexity "low"
rdfs:label "SpectralCentroid"
sovarr:tag "Spectral"
dc:description "the weighted mean frequency, or the "centre of mass" of the spectrum", "the frequency where the center of mass of the spectral power distribution lies", "Centroid of each time slice of observations", "The spectral centroid represents the barycenter of the spectrum.", "Marsyas - Batch Feature Extract - Centroid", "Extract the spectral centroid of an audio spectrum", "The centre of mass of the power spectrum."
sovarr:signal "Harmonic", "Short-term Fourier Transform", "Auditory model"
sovarr:level "perceptual"
sovarr:frame_based "y"
rdf:type rdfs:Resource
sovarr:dimensions "6", "1"
sovarr:temporalscale "intraframe"
sovarr:output "Dense"
sovarr:source "Marsyas Plugins", "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:SpectralContrastPattern
sovarr:computed_in "MIREX"
sovarr:author "Klaus Seyerlehner"
sovarr:feature "Spectral Contrast Pattern"
rdfs:label "SpectralContrastPattern"
rdf:type rdfs:Resource
sovarr:source "MIREX 2012"
 
sovarr:SpectralCrest
sovarr:type_of_feature "Various Feature"
sovarr:appdomain "fingerprinting"
sovarr:computed_in "Vamp", "SuperCollider", "Cuidado", "TimbreToolbox"
sovarr:computation "Regression", "Sum, Weighted Sum", "Mean", "Discrete Fourier Transform", "Logarithm", "Windowing"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "Spectral Crest", "Spectral crest", "Spectral Crest Measure", "SpectralCrest"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "SpectralCrest"
sovarr:output "Dense"
dc:description "produces the spectral crest measure, which is an indicator of the "peakiness" of the spectral energy distribution", "Extract the spectral crest measure of an audio spectrum"
sovarr:signal "Short-term Fourier Transform", "Auditory model"
sovarr:level "perceptual"
sovarr:frame_based "y"
rdf:type rdfs:Resource
sovarr:dimensions "4", "parameterized"
sovarr:temporalscale "intraframe"
sovarr:source "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:SpectralCrestFactor
sovarr:computed_in "Vamp"
rdf:type rdfs:Resource
sovarr:domain "time"
rdfs:label "SpectralCrestFactor"
sovarr:output "Dense"
dc:description "Marsyas - Batch Feature Extract - Spectral Crest Factor"
sovarr:feature "Marsyas - Batch Feature Extract - Spectral Crest Factor"
sovarr:source "Marsyas Plugins"
 
sovarr:SpectralCrestFactorPerBand
dc:description "Compute spectral crest factor per log-spaced band of 1/4 octave."
rdfs:label "SpectralCrestFactorPerBand"
sovarr:computed_in "Yaafe"
rdf:type rdfs:Resource
 
sovarr:SpectralDecrease
sovarr:computed_in "Yaafe", "Aubio", "TimbreToolbox", "Cuidado"
sovarr:frame_based "y"
rdfs:label "SpectralDecrease"
dc:description "The spectral decrease is another representation of the decreasing rate, based on perceptual criteria.", "Compute spectral decrease accoding to [GP2004]_."
sovarr:signal "Harmonic", "Short-term Fourier Transform", "Auditory model"
sovarr:type_of_feature "Spectral Feature"
sovarr:feature "Spectral Decrease", "Spectral decrease"
sovarr:dimensions "1"
rdf:type rdfs:Resource
 
sovarr:SpectralDifferenceMethodOnsetDetectionFunction
dc:description "Spectral difference method onset detection function."
rdfs:label "SpectralDifferenceMethodOnsetDetectionFunction"
sovarr:computed_in "Aubio"
rdf:type rdfs:Resource
 
sovarr:SpectralDispersion
sovarr:appdomain "music information retrieval"
sovarr:computation "Harmonic Peak Detection", "Energy Spectral Density", "Median", "Windowing", "Discrete Fourier Transform"
sovarr:dimensionality "one-dimensional"
sovarr:feature "SpectralDispersion"
sovarr:domain "frequency"
sovarr:complexity "low"
rdfs:label "SpectralDispersion"
sovarr:level "perceptual"
rdf:type rdfs:Resource
sovarr:dimensions "1"
sovarr:temporalscale "intraframe"
 
sovarr:SpectralDissonance
rdfs:label "SpectralDissonance"
sovarr:computed_in "PsySound3"
rdf:type rdfs:Resource
 
sovarr:SpectralFlatness
sovarr:type_of_feature "Various Feature"
sovarr:appdomain "fingerprinting"
sovarr:computed_in "SuperCollider", "TimbreToolbox", "LibXtract", "CLAM", "Yaafe", "Vamp", "Cuidado"
sovarr:computation "Windowing", "Logarithm", "Regression", "Mean", "Discrete Fourier Transform"
sovarr:dimensionality "multi-dimensional"
sovarr:feature "Spectral flatness", "SpectralFlatness", "Spectral Flatness", "Marsyas - Batch Feature Extract - Spectral Flatness Measure"
sovarr:domain "frequency", "time"
sovarr:complexity "medium"
rdfs:label "SpectralFlatness"
sovarr:tag "Spectral"
dc:description "Compute global spectral flatness using the ratio between geometric and arithmetic mean.", "a power spectrum's geometric mean divided by its arithmetic mean", "Extract the spectral flatness of an audio spectrum", "Marsyas - Batch Feature Extract - Spectral Flatness Measure"
sovarr:signal "Short-term Fourier Transform", "Auditory model"
sovarr:level "perceptual"
sovarr:frame_based "y"
rdf:type rdfs:Resource
sovarr:dimensions "4", "parameterized"
sovarr:temporalscale "intraframe"
sovarr:output "Dense"
sovarr:source "Marsyas Plugins", "libxtract by Jamie Bullock (plugin by Chris Cannam)"
 
sovarr:SpectralFlatnessAllBands
dc:description "Calculates a single spectral flatness value."
rdfs:label