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added rdfpy and rdfonto directories
author nothing@tehis.net
date Tue, 23 Apr 2013 11:49:20 +0100
parents 8bd8453e0551
children
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<?xml version="1.0" encoding="UTF-8"?>
<rdf:RDF
   xmlns:local="http://sovarr.c4dm.eecs.qmul.ac.uk/features/"
   xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/LineSpectralFrequencies">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>several</local:appdomain>
    <local:computation>Percentile</local:computation>
    <local:computation>Autoregression (Linear Prediction Analysis)</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>LineSpectralFrequencies</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SubbandEnergyRatio">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>several</local:appdomain>
    <local:computation>Regression</local:computation>
    <local:computation>Energy Spectral Density</local:computation>
    <local:computation>Normalization</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>SubbandEnergyRatio</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/BarkscaleFrequencyCepstralCoefficients">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>several</local:appdomain>
    <local:computation>Regression</local:computation>
    <local:computation>Discrete Cosine Transform</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>BarkscaleFrequencyCepstralCoefficients</local:feature>
    <local:domain>cepstral</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/ChromaCENSFeatures">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>12</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Band-pass Filter Bank</local:computation>
    <local:computation>Low-pass Filter</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Normalization</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>ChromaCENSFeatures</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/BeatHistogram">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>6</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Discrete Wavelet Transform</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Low-pass Filter</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>BeatHistogram</local:feature>
    <local:domain>modulation frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/HarmonicConcentration">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Energy Spectral Density</local:computation>
    <local:computation>Level Crossing Detector</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>HarmonicConcentration</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/ShortTimeEnergy">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>several</local:appdomain>
    <local:computation>Deviation, Sum of Differences</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>ShortTimeEnergy</local:feature>
    <local:domain>temporal</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/HarmonicCoefficient">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>audio segmentation</local:appdomain>
    <local:computation>Sum, Weighted Sum</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>HarmonicCoefficient</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralCrest">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>fingerprinting</local:appdomain>
    <local:computation>Sum, Weighted Sum</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Mean</local:computation>
    <local:computation>Regression</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>SpectralCrest</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/ZeroCrossingPeakAmplitudes">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>speech recognition</local:appdomain>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>ZeroCrossingPeakAmplitudes</local:feature>
    <local:domain>temporal</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralCentroid">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>several</local:appdomain>
    <local:computation>Regression</local:computation>
    <local:computation>Mean</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>SpectralCentroid</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MPEG7AudioSpectrumBasis">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>environmental sound recognition</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Windowing</local:computation>
    <local:computation>Normalization</local:computation>
    <local:computation>Regression</local:computation>
    <local:computation>Independent Component Analysis</local:computation>
    <local:computation>Singular Value Decomposition</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>MPEG7AudioSpectrumBasis</local:feature>
    <local:domain>eigendomain</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/IntegralLoudness">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Exponential Function</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>(Non-) Linear Weighting Function</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>IntegralLoudness</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PsychoacousticalPitch">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>several</local:appdomain>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>(Non-) Linear Weighting Function</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>PsychoacousticalPitch</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralCenter">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Harmonic Peak Detection</local:computation>
    <local:computation>Energy Spectral Density</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>SpectralCenter</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SubbandSpectralFlux">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>8</local:dimensions>
    <local:appdomain>environmental sound recognition</local:appdomain>
    <local:computation>Derivation, Difference</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Normalization</local:computation>
    <local:computation>Mean</local:computation>
    <local:computation>Regression</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>SubbandSpectralFlux</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/LinearPredictionCepstralCoefficients">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:abbreviation>LPCC</local:abbreviation>
    <local:appdomain>speech recognition</local:appdomain>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Cepstral Recursion Formula</local:computation>
    <local:computation>Autoregression (Linear Prediction Analysis)</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>LinearPredictionCepstralCoefficients</local:feature>
    <local:domain>cepstral</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MPEG7HarmonicSpectralDeviation">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Median</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Mean</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Level Crossing Detector</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>MPEG7HarmonicSpectralDeviation</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/LinearPredictiveCoding">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:abbreviation>LPC</local:abbreviation>
    <local:appdomain>speech recognition</local:appdomain>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Autoregression (Linear Prediction Analysis)</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>LinearPredictiveCoding</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralSlope">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>4</local:dimensions>
    <local:appdomain>several</local:appdomain>
    <local:computation>Peak Detection</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>SpectralSlope</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchProfile">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>12</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Sum, Weighted Sum</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Constant Q Transform</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>PitchProfile</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MPEG7SpectralCentroid">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Mean</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:temporalscale>global</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>MPEG7SpectralCentroid</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MPEG7LogAttackTime">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Logarithm</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Power</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>global</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>MPEG7LogAttackTime</local:feature>
    <local:domain>temporal</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PerceptualLinearPrediction">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>speech recognition</local:appdomain>
    <local:computation>Autoregression (Linear Prediction Analysis)</local:computation>
    <local:computation>Cepstral Recursion Formula</local:computation>
    <local:computation>(Non-) Linear Weighting Function</local:computation>
    <local:computation>Regression</local:computation>
    <local:computation>Discrete Cosine Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>PerceptualLinearPrediction</local:feature>
    <local:domain>cepstral</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/BeatSpectrum">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Low-pass Filter</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Cross-Correlation</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>BeatSpectrum</local:feature>
    <local:domain>modulation frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/BandPeriodicity">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>4</local:dimensions>
    <local:appdomain>audio segmentation</local:appdomain>
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    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Root Mean Square</local:computation>
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    <local:feature>BandPeriodicity</local:feature>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DaubechiesWaveletCoefficientHistogram">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>28</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Discrete Wavelet Transform</local:computation>
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    <local:feature>DaubechiesWaveletCoefficientHistogram</local:feature>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MultiresolutionEntropy">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>speech recognition</local:appdomain>
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    <local:computation>Discrete Fourier Transform</local:computation>
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    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/BeatTracker">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Low-pass Filter</local:computation>
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    <local:level>perceptual</local:level>
    <local:feature>BeatTracker</local:feature>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DistortionDiscriminantAnalysis">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>64</local:dimensions>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralPeaks">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/HarmonicProminence">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PhaseSpaceFeatures">
    <local:dimensionality>multi-dimensional</local:dimensionality>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Inharmonicity">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MelscaleFrequencyCepstralCoefficients">
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/AmplitudeDescriptor">
    <local:dimensionality>multi-dimensional</local:dimensionality>
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    <local:dimensionality>one-dimensional</local:dimensionality>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Sone">
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    <local:dimensionality>multi-dimensional</local:dimensionality>
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    <local:dimensionality>one-dimensional</local:dimensionality>
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    <local:computation>Band-pass Filter (Bank)</local:computation>
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    <local:computation>Discrete Fourier Transform</local:computation>
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    <local:computation>Band-pass Filter Bank</local:computation>
    <local:computation>Discrete Cosine Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Logarithm</local:computation>
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    <local:appdomain>several</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Regression</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Median</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>MPEG7AudioSpectrumSpread</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Pitch">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>several</local:appdomain>
    <local:computation>Sum, Weighted Sum</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>Pitch</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/ZeroCrossingRate">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:abbreviation>ZCR</local:abbreviation>
    <local:appdomain>several</local:appdomain>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>ZeroCrossingRate</local:feature>
    <local:domain>temporal</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DWPTbasedRhythmFeature">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Discrete Wavelet Transform</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>DWPTbasedRhythmFeature</local:feature>
    <local:domain>modulation frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/RelativeSpectralPLP">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>speech recognition</local:appdomain>
    <local:computation>Autoregression (Linear Prediction Analysis)</local:computation>
    <local:computation>Exponential Function</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Cepstral Recursion Formula</local:computation>
    <local:computation>(Non-) Linear Weighting Function</local:computation>
    <local:computation>Regression</local:computation>
    <local:computation>Discrete Cosine Transform</local:computation>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>RelativeSpectralPLP</local:feature>
    <local:domain>cepstral</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralDispersion">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Harmonic Peak Detection</local:computation>
    <local:computation>Energy Spectral Density</local:computation>
    <local:computation>Median</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>SpectralDispersion</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
  </rdf:Description>
  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/JointAcousticandModuluationFrequency">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>several</local:appdomain>
    <local:computation>Discrete Wavelet Transform</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Low-pass Filter</local:computation>
    <local:computation>Regression</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>JointAcousticandModuluationFrequency</local:feature>
    <local:domain>modulation frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>high</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchSynchronousZCPA">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>speech recognition</local:appdomain>
    <local:computation>Sum, Weighted Sum</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>PitchSynchronousZCPA</local:feature>
    <local:domain>temporal</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFlatness">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>fingerprinting</local:appdomain>
    <local:computation>Regression</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Mean</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>SpectralFlatness</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralPeakStructure">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Derivation, Difference</local:computation>
    <local:computation>Entropy</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Level Crossing Detector</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>SpectralPeakStructure</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MPEG7AudioSpectrumCentroid">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>several</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Regression</local:computation>
    <local:computation>Mean</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>MPEG7AudioSpectrumCentroid</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFlux">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:abbreviation>SF</local:abbreviation>
    <local:appdomain>several</local:appdomain>
    <local:computation>Derivation, Difference</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>SpectralFlux</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchHistogram">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>PitchHistogram</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Chromagram">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>12</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>Chromagram</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MPEG7HarmonicSpectralCentroid">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Mean</local:computation>
    <local:computation>Level Crossing Detector</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
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    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PulseMetric">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>audio segmentation</local:appdomain>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Autocorrelation</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>PulseMetric</local:feature>
    <local:domain>modulation frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/4HzModulationEnergy">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>audio segmentation</local:appdomain>
    <local:computation>Normalization</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Regression</local:computation>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Energy Spectral Density</local:computation>
    <local:computation>Windowing</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>4HzModulationEnergy</local:feature>
    <local:domain>modulation frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/HarmonicDerivate">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Derivation, Difference</local:computation>
    <local:computation>Logarithm</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>HarmonicDerivate</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/AuditoryFilterBankTemporalEnvelopes">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>62</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Band-pass Filter (Bank)</local:computation>
    <local:computation>Energy Spectral Density</local:computation>
    <local:computation>Root Mean Square</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>AuditoryFilterBankTemporalEnvelopes</local:feature>
    <local:domain>modulation frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MPEG7TemporalCentroid">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computedIn>MPEG-7</local:computedIn>
    <local:computation>Mean</local:computation>
    <local:computation>Power</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>interframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>MPEG7TemporalCentroid</local:feature>
    <local:domain>temporal</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Volume">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>several</local:appdomain>
    <local:computation>Power</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>Volume</local:feature>
    <local:domain>temporal</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>low</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/HarmonicEnergyEntropy">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Entropy</local:computation>
    <local:computation>Level Crossing Detector</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>HarmonicEnergyEntropy</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Sharpness">
    <local:dimensionality>one-dimensional</local:dimensionality>
    <local:dimensions>1</local:dimensions>
    <local:model>psychoacoustic</local:model>
    <local:appdomain>several</local:appdomain>
    <local:computation>Regression</local:computation>
    <local:computation>Mean</local:computation>
    <local:computation>(Non-) Linear Weighting Function</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>perceptual</local:level>
    <local:feature>Sharpness</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/ModifiedGroupDelay">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>parameterized</local:dimensions>
    <local:appdomain>speech recognition</local:appdomain>
    <local:computation>Discrete Cosine Transform</local:computation>
    <local:computation>Group Delay Function</local:computation>
    <local:computation>Low-pass Filter</local:computation>
    <local:computation>Discrete Fourier Transform</local:computation>
    <local:computation>Windowing</local:computation>
    <local:temporalscale>intraframe</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>ModifiedGroupDelay</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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  <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/AdaptiveTimeFrequencyTransform">
    <local:dimensionality>multi-dimensional</local:dimensionality>
    <local:dimensions>42</local:dimensions>
    <local:appdomain>music information retrieval</local:appdomain>
    <local:computation>Adaptive Time Frequency Transform</local:computation>
    <local:computation>Spectral binning</local:computation>
    <local:temporalscale>global</local:temporalscale>
    <local:level>physical</local:level>
    <local:feature>AdaptiveTimeFrequencyTransform</local:feature>
    <local:domain>frequency</local:domain>
    <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
    <local:complexity>medium</local:complexity>
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