view rdfn3/af-Vamp.n3 @ 18:d5012016bf64 tip

added rdfpy and rdfonto directories

@prefix Vamp: <file:///Users/alo/MusicOntology/features/rdf/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix local: <http://sovarr.c4dm.eecs.qmul.ac.uk/features/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

<PitchContours:All> a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Pitch Contours: All (MELODIA - Melody Extraction (intermediate steps))" ;
    local:output "Dense" ;
    local:source "Music Technology Group, Universitat Pompeu Fabra" .

<PitchContours:Melody> a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Pitch Contours: Melody (MELODIA - Melody Extraction (intermediate steps))" ;
    local:output "Dense" ;
    local:source "Music Technology Group, Universitat Pompeu Fabra" .

Vamp:AdaptiveSpectrogram a rdfs:Resource ;
    dc:description "Produce an adaptive spectrogram by adaptive selection from spectrograms at multiple resolutions" ;
    local:domain "time" ;
    local:feature "Adaptive Spectrogram" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:AubioBeatTracker a rdfs:Resource ;
    dc:description "Estimate the musical tempo and track beat positions" ;
    local:domain "time" ;
    local:feature "Aubio Beat Tracker" ;
    local:source "Paul Brossier (method by Matthew Davies, plugin by Chris Cannam)" .

Vamp:AubioNoteTracker a rdfs:Resource ;
    dc:description "Estimate note onset positions, pitches and durations" ;
    local:domain "time" ;
    local:feature "Aubio Note Tracker" ;
    local:output "Sparse" ;
    local:source "Paul Brossier (plugin by Chris Cannam)" .

Vamp:AubioOnsetDetector a rdfs:Resource ;
    dc:description "Estimate note onset times" ;
    local:domain "time" ;
    local:feature "Aubio Onset Detector" ;
    local:output "Sparse" ;
    local:source "Paul Brossier (plugin by Chris Cannam)" .

Vamp:AubioPitchDetector a rdfs:Resource ;
    dc:description "Track estimated note pitches" ;
    local:domain "time" ;
    local:feature "Aubio Pitch Detector" ;
    local:output "Sparse" ;
    local:source "Paul Brossier (plugin by Chris Cannam)" .

Vamp:AubioSilenceDetector a rdfs:Resource ;
    dc:description "Detect levels below a certain threshold" ;
    local:domain "time" ;
    local:feature "Aubio Silence Detector" ;
    local:source "Paul Brossier (plugin by Chris Cannam)" .

Vamp:Autocorrelation a rdfs:Resource ;
    dc:description "Extract the autocorrelation of an audio signal" ;
    local:domain "time" ;
    local:feature "Autocorrelation" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:AverageDeviation a rdfs:Resource ;
    dc:description "Extract the average deviation of a range of values" ;
    local:domain "frequency" ;
    local:feature "Average Deviation" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:AverageMagnitudeDifferenceFunction a rdfs:Resource ;
    dc:description "Extract the AMDF of an audio signal" ;
    local:domain "time" ;
    local:feature "Average Magnitude Difference Function" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:AverageSquaredDifferenceFunction a rdfs:Resource ;
    dc:description "Extract the ASDF of an audio signal" ;
    local:domain "time" ;
    local:feature "Average Squared Difference Function" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:BarandBeatTracker a rdfs:Resource ;
    dc:description "Estimate bar and beat locations" ;
    local:domain "time" ;
    local:feature "Bar and Beat Tracker" ;
    local:source "Queen Mary, University of London" .

Vamp:BarkCoefficients a rdfs:Resource ;
    dc:description "Extract bark coefficients from an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Bark Coefficients" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:Bars a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Bars (Bar and Beat Tracker)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:BassChromagram a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Bass Chromagram (NNLS Chroma)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:BeatCount a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Beat Count (Bar and Beat Tracker)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:BeatSpectra a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Beat Spectra (Similarity)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:BeatSpectralDifference a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Beat Spectral Difference (Bar and Beat Tracker)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:Beats a rdfs:Resource ;
    local:domain "frequency",
        "time" ;
    local:feature "Beats (Aubio Beat Tracker)",
        "Beats (Bar and Beat Tracker)",
        "Beats (Tempo and Beat Tracker)" ;
    local:output "Sparse" ;
    local:source "Paul Brossier (method by Matthew Davies, plugin by Chris Cannam)",
        "Queen Mary, University of London" .

Vamp:Centroid a rdfs:Resource ;
    dc:description "Marsyas - Batch Feature Extract - Centroid" ;
    local:domain "time" ;
    local:feature "Marsyas - Batch Feature Extract - Centroid" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins" .

Vamp:ChordEstimate a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Chord Estimate (Chordino)" ;
    local:output "Sparse" ;
    local:source "Matthias Mauch" .

Vamp:Chordino a rdfs:Resource ;
    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." ;
    local:domain "frequency" ;
    local:feature "Chordino" ;
    local:source "Matthias Mauch" .

Vamp:ChromaMeans a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Chroma Means (Chromagram)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:Chromagram a rdfs:Resource ;
    dc:description "Extract a series of tonal chroma vectors from the audio" ;
    local:domain "frequency" ;
    local:feature "Chromagram",
        "Chromagram (NNLS Chroma)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch",
        "Queen Mary, University of London" .

Vamp:ChromagramandBassChromagram a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Chromagram and Bass Chromagram (NNLS Chroma)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:Coefficients a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Coefficients (Mel-Frequency Cepstral Coefficients)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:Constant-QSpectrogram a rdfs:Resource ;
    dc:description "Extract a spectrogram with constant ratio of centre frequency to resolution from the input audio" ;
    local:domain "frequency" ;
    local:feature "Constant-Q Spectrogram" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:DiscreteCosineTransform a rdfs:Resource ;
    dc:description "Extract the DCT of an audio signal" ;
    local:domain "time" ;
    local:feature "Discrete Cosine Transform" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:DiscreteWaveletTransform a rdfs:Resource ;
    dc:description "Visualisation by scalogram" ;
    local:domain "time" ;
    local:feature "Discrete Wavelet Transform" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:DistanceMatrix a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Distance Matrix (Similarity)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:DistancefromFirstChannel a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Distance from First Channel (Similarity)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:FeatureMeans a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Feature Means (Similarity)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:FeatureVariances a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Feature Variances (Similarity)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:FundamentalFrequency a rdfs:Resource ;
    dc:description "Extract the fundamental frequency of an audio signal" ;
    local:domain "time" ;
    local:feature "Fundamental Frequency" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

<file:///Users/alo/MusicOntology/features/rdf/FundamentalFrequency(failsafe)> a rdfs:Resource ;
    dc:description "Extract the fundamental frequency of an audio signal (failsafe)" ;
    local:domain "time" ;
    local:feature "Fundamental Frequency (failsafe)" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:HPCP a rdfs:Resource ;
    dc:description "Return the instantaneous evolution of HPCP (Harmonic Pitch Class Profile) of a signal." ;
    local:domain "frequency" ;
    local:feature "HPCP" ;
    local:output "Dense" ;
    local:source "Music Technology Group, Universitat Pompeu Fabra" .

Vamp:HarmonicChangeValue a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Harmonic Change Value (Chordino)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:HarmonicSpectrum a rdfs:Resource ;
    dc:description "Extract the harmonics from an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Harmonic Spectrum" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:HighestValue a rdfs:Resource ;
    dc:description "Extract the highest value from a given range" ;
    local:domain "frequency" ;
    local:feature "Highest Value" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:IBT-INESCBeatTracker a rdfs:Resource ;
    dc:description "Estimates beat locations and tempo (off-line [default] and on-line modes of operation)" ;
    local:domain "frequency" ;
    local:feature "IBT - INESC Beat Tracker" ;
    local:output "Sparse" ;
    local:source "Marsyas Plugins" .

Vamp:Inharmonicity a rdfs:Resource ;
    dc:description "Extract the inharmonicity of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Inharmonicity" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:IrregularityI a rdfs:Resource ;
    dc:description "Extract the irregularity (type I) of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Irregularity I" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:IrregularityII a rdfs:Resource ;
    dc:description "Extract the irregularity (type II) of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Irregularity II" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:Key a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Key (Key Detector)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:KeyDetector a rdfs:Resource ;
    dc:description "Estimate the key of the music" ;
    local:domain "time" ;
    local:feature "Key Detector" ;
    local:source "Queen Mary, University of London" .

Vamp:KeyMode a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Key Mode (Key Detector)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:KeyStrengthPlot a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Key Strength Plot (Key Detector)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:Kurtosis a rdfs:Resource ;
    dc:description "Extract the kurtosis of a range of values" ;
    local:domain "frequency" ;
    local:feature "Kurtosis" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:LineSpectralPairs a rdfs:Resource ;
    dc:description "Marsyas - Batch Feature Extract - Line Spectral Pairs" ;
    local:domain "time" ;
    local:feature "Marsyas - Batch Feature Extract - Line Spectral Pairs" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins" .

Vamp:LinearPredictionCepstralCoefficients a rdfs:Resource ;
    dc:description "Marsyas - Batch Feature Extract - Linear Prediction Cepstral Coefficients" ;
    local:domain "time" ;
    local:feature "Marsyas - Batch Feature Extract - Linear Prediction Cepstral Coefficients" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins" .

Vamp:LocalTuning a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Local Tuning (Tuning)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:Log-FrequencySpectrum a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Log-Frequency Spectrum (NNLS Chroma)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:Log-LikelihoodofChordEstimate a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Log-Likelihood of Chord Estimate (Chordino)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:Loudness a rdfs:Resource ;
    dc:description "Extract the loudness of an audio signal from its spectrum" ;
    local:domain "frequency" ;
    local:feature "Loudness" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:LowestValue a rdfs:Resource ;
    dc:description "Extract the lowest value from a given range" ;
    local:domain "frequency" ;
    local:feature "Lowest Value" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:MELODIA-MelodyExtraction a rdfs:Resource ;
    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." ;
    local:domain "time" ;
    local:feature "MELODIA - Melody Extraction" ;
    local:output "Dense" ;
    local:source "Music Technology Group, Universitat Pompeu Fabra" .

<file:///Users/alo/MusicOntology/features/rdf/MELODIA-MelodyExtraction(intermediatesteps)> a rdfs:Resource ;
    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." ;
    local:domain "time" ;
    local:feature "MELODIA - Melody Extraction (intermediate steps)" ;
    local:source "Music Technology Group, Universitat Pompeu Fabra" .

Vamp:Mean a rdfs:Resource ;
    dc:description "Extract the mean of a range of values" ;
    local:domain "frequency" ;
    local:feature "Mean" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:MeansofCoefficients a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Means of Coefficients (Mel-Frequency Cepstral Coefficients)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:Mel-FrequencyCepstralCoefficients a rdfs:Resource ;
    dc:description "Calculate a series of MFCC vectors from the audio",
        "Extract MFCC from an audio spectrum",
        "Marsyas - Batch Feature Extract - Mel-Frequency Cepstral Coefficients" ;
    local:domain "frequency",
        "time" ;
    local:feature "Marsyas - Batch Feature Extract - Mel-Frequency Cepstral Coefficients",
        "Mel-Frequency Cepstral Coefficients" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins",
        "Queen Mary, University of London",
        "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:NNLSChroma a rdfs:Resource ;
    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." ;
    local:domain "frequency" ;
    local:feature "NNLS Chroma" ;
    local:source "Matthias Mauch" .

Vamp:Noisiness a rdfs:Resource ;
    dc:description "Extract the noisiness of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Noisiness" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:Non-SilentRegions a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Non-Silent Regions (Aubio Silence Detector)" ;
    local:output "Sparse" ;
    local:source "Paul Brossier (plugin by Chris Cannam)" .

Vamp:Non-zerocount a rdfs:Resource ;
    dc:description "Extract the number of non-zero elements in an input spectrum" ;
    local:domain "frequency" ;
    local:feature "Non-zero count" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:NoteOnsetDetector a rdfs:Resource ;
    dc:description "Estimate individual note onset positions" ;
    local:domain "frequency" ;
    local:feature "Note Onset Detector" ;
    local:source "Queen Mary, University of London" .

Vamp:NoteOnsets a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Note Onsets (Note Onset Detector)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:NoteRepresentationofChordEstimate a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Note Representation of Chord Estimate (Chordino)" ;
    local:output "Sparse" ;
    local:source "Matthias Mauch" .

<file:///Users/alo/MusicOntology/features/rdf/Odd/evenHarmonicRatio> a rdfs:Resource ;
    dc:description "Extract the odd-to-even harmonic ratio of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Odd/even Harmonic Ratio" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:OnsetDetectionFunction a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Onset Detection Function (Note Onset Detector)",
        "Onset Detection Function (Tempo and Beat Tracker)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:OrderedDistancesfromFirstChannel a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Ordered Distances from First Channel (Similarity)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:PeakSpectrum a rdfs:Resource ;
    dc:description "Extract the spectral peaks from an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Peak Spectrum" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:PolyphonicTranscription a rdfs:Resource ;
    dc:description "Transcribe the input audio to estimated notes" ;
    local:domain "time" ;
    local:feature "Polyphonic Transcription" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:RMSAmplitude a rdfs:Resource ;
    dc:description "Extract the RMS amplitude of an audio signal" ;
    local:domain "time" ;
    local:feature "RMS Amplitude" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SalienceFunction a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Salience Function (MELODIA - Melody Extraction (intermediate steps))" ;
    local:output "Dense" ;
    local:source "Music Technology Group, Universitat Pompeu Fabra" .

Vamp:Segmenter a rdfs:Resource ;
    dc:description "Divide the track into a sequence of consistent segments" ;
    local:domain "time" ;
    local:feature "Segmenter" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:SemitoneSpectrum a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Semitone Spectrum (NNLS Chroma)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:SilenceTest a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Silence Test (Aubio Silence Detector)" ;
    local:output "Sparse" ;
    local:source "Paul Brossier (plugin by Chris Cannam)" .

Vamp:SilentRegions a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Silent Regions (Aubio Silence Detector)" ;
    local:output "Sparse" ;
    local:source "Paul Brossier (plugin by Chris Cannam)" .

Vamp:Similarity a rdfs:Resource ;
    dc:description "Return a distance matrix for similarity between the input audio channels" ;
    local:domain "time" ;
    local:feature "Similarity" ;
    local:source "Queen Mary, University of London" .

Vamp:Skewness a rdfs:Resource ;
    dc:description "Extract the skewness of a range of values" ;
    local:domain "frequency" ;
    local:feature "Skewness" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SmoothedDetectionFunction a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Smoothed Detection Function (Note Onset Detector)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:SpectralAverageDeviation a rdfs:Resource ;
    dc:description "Extract the average deviation of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Average Deviation" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralCentroid a rdfs:Resource ;
    dc:description "Extract the spectral centroid of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Centroid" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralCrestFactor a rdfs:Resource ;
    dc:description "Marsyas - Batch Feature Extract - Spectral Crest Factor" ;
    local:domain "time" ;
    local:feature "Marsyas - Batch Feature Extract - Spectral Crest Factor" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins" .

Vamp:SpectralCrestMeasure a rdfs:Resource ;
    dc:description "Extract the spectral crest measure of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Crest Measure" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralFlatness a rdfs:Resource ;
    dc:description "Extract the spectral flatness of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Flatness" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralFlatnessMeasure a rdfs:Resource ;
    dc:description "Marsyas - Batch Feature Extract - Spectral Flatness Measure" ;
    local:domain "time" ;
    local:feature "Marsyas - Batch Feature Extract - Spectral Flatness Measure" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins" .

Vamp:SpectralKurtosis a rdfs:Resource ;
    dc:description "Extract the kurtosis of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Kurtosis" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralRolloff a rdfs:Resource ;
    dc:description "Extract the rolloff point of an audio spectrum",
        "Marsyas - Batch Feature Extract - Spectral Rolloff" ;
    local:domain "frequency",
        "time" ;
    local:feature "Marsyas - Batch Feature Extract - Spectral Rolloff",
        "Spectral Rolloff" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins",
        "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralSharpness a rdfs:Resource ;
    dc:description "Extract the spectral sharpness of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Sharpness" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralSkewness a rdfs:Resource ;
    dc:description "Extract the skewness of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Skewness" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralSlope a rdfs:Resource ;
    dc:description "Extract the spectral slope of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Slope" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralSmoothness a rdfs:Resource ;
    dc:description "Extract the spectral smoothness of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Smoothness" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralSpread a rdfs:Resource ;
    dc:description "Extract the spectral spread of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Spread" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralStandardDeviation a rdfs:Resource ;
    dc:description "Extract the standard deviation of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Standard Deviation" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SpectralVariance a rdfs:Resource ;
    dc:description "Extract the variance of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Spectral Variance" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:Spectrum a rdfs:Resource ;
    dc:description "Extract the spectrum of an audio signal" ;
    local:domain "time" ;
    local:feature "Spectrum" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:StandardDeviation a rdfs:Resource ;
    dc:description "Extract the standard deviation of a range of values" ;
    local:domain "frequency" ;
    local:feature "Standard Deviation" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:SumofValues a rdfs:Resource ;
    dc:description "Extract the sum of the values in a given range" ;
    local:domain "frequency" ;
    local:feature "Sum of Values" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:Tempo a rdfs:Resource ;
    local:domain "frequency",
        "time" ;
    local:feature "Tempo (Aubio Beat Tracker)",
        "Tempo (Tempo and Beat Tracker)" ;
    local:output "Dense",
        "Sparse" ;
    local:source "Paul Brossier (method by Matthew Davies, plugin by Chris Cannam)",
        "Queen Mary, University of London" .

Vamp:TempoandBeatTracker a rdfs:Resource ;
    dc:description "Estimate beat locations and tempo" ;
    local:domain "frequency" ;
    local:feature "Tempo and Beat Tracker" ;
    local:source "Queen Mary, University of London" .

Vamp:TonalChange a rdfs:Resource ;
    dc:description "Detect and return the positions of harmonic changes such as chord boundaries" ;
    local:domain "time" ;
    local:feature "Tonal Change" ;
    local:source "Queen Mary, University of London" .

Vamp:TonalChangeDetectionFunction a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Tonal Change Detection Function (Tonal Change)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:TonalChangePositions a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Tonal Change Positions (Tonal Change)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:Tonality a rdfs:Resource ;
    dc:description "Extract the tonality an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Tonality" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:TonicPitch a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Tonic Pitch (Key Detector)" ;
    local:output "Sparse" ;
    local:source "Queen Mary, University of London" .

Vamp:Transformto6DTonalContentSpace a rdfs:Resource ;
    local:domain "time" ;
    local:feature "Transform to 6D Tonal Content Space (Tonal Change)" ;
    local:output "Dense" ;
    local:source "Queen Mary, University of London" .

Vamp:TristimulusI a rdfs:Resource ;
    dc:description "Extract the tristimulus (type I) of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Tristimulus I" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:TristimulusII a rdfs:Resource ;
    dc:description "Extract the tristimulus (type II) of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Tristimulus II" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:TristimulusIII a rdfs:Resource ;
    dc:description "Extract the tristimulus (type III) of an audio spectrum" ;
    local:domain "frequency" ;
    local:feature "Tristimulus III" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:TunedLog-FrequencySpectrum a rdfs:Resource ;
    local:domain "frequency" ;
    local:feature "Tuned Log-Frequency Spectrum (NNLS Chroma)" ;
    local:output "Dense" ;
    local:source "Matthias Mauch" .

Vamp:Tuning a rdfs:Resource ;
    dc:description "The tuning plugin can estimate the local and global tuning of piece. The same tuning method is used for the NNLS Chroma and Chordino plugins." ;
    local:domain "frequency" ;
    local:feature "Tuning" ;
    local:source "Matthias Mauch" .

Vamp:Variance a rdfs:Resource ;
    dc:description "Extract the variance of a range of values" ;
    local:domain "frequency" ;
    local:feature "Variance" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:ZeroCrossingRate a rdfs:Resource ;
    dc:description "Extract the zero crossing rate of an audio signal" ;
    local:domain "time" ;
    local:feature "Zero Crossing Rate" ;
    local:output "Dense" ;
    local:source "libxtract by Jamie Bullock (plugin by Chris Cannam)" .

Vamp:ZeroCrossings a rdfs:Resource ;
    dc:description "Detect and count zero crossing points",
        "Marsyas - Batch Feature Extract - Zero Crossings" ;
    local:domain "time" ;
    local:feature "Marsyas - Batch Feature Extract - Zero Crossings",
        "Zero Crossings" ;
    local:output "Dense" ;
    local:source "Marsyas Plugins" .