view rdfonto/baseOnto.n3 @ 18:d5012016bf64 tip

added rdfpy and rdfonto directories

@prefix af: <http://sovarr.c4dm.eecs.qmul.ac.uk/features/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix owl: <http://www.w3.org/2002/07/owl#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
@prefix vs: <http://www.w3.org/2003/06/sw-vocab-status/ns#> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

<> a owl:Ontology ;
    dc:description "This is a base ontology for the Audio Features engineering process collected from literature" ;
    dc:title "Audio Features Base Ontology" ;
    owl:versionInfo "Version 0.1" .

<http://sovarr.c4dm.eecs.qmul.ac.uk/features/4HzModulationEnergy> a af:AudioFeature ;
    rdfs:label "4 Hz Modulation Energy",
        "4HzModulationEnergy" ;
    af:application_domain af:AudioSegmentation ;
    af:computation af:BandpassFilter,
        af:DiscreteFourierTransform,
        af:EnergySpectralDensity,
        af:Normalization,
        af:Regression,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "4 Hz Modulation Energy feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

<http://sovarr.c4dm.eecs.qmul.ac.uk/features/4HzModulationHarmonicCoefficients> a af:AudioFeature ;
    rdfs:label "4 Hz Modulation Harmonic Coefficients",
        "4HzModulationHarmonicCoefficients" ;
    af:application_domain af:AudioSegmentation ;
    af:computation af:Autocorrelation,
        af:BandpassFilter,
        af:DiscreteCosineTransform,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "4 Hz Modulation Harmonic Coefficients feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:AdaptiveTimeFrequencyTransform a af:AudioFeature ;
    rdfs:label "Adaptive Time-Frequency Transform",
        "AdaptiveTimeFrequencyTransform" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:AdaptiveTimeFrequencyTransformComp,
        af:Spectralbinning ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 42 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:Global ;
    rdfs:comment "Adaptive Time-Frequency Transform feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:AmplitudeDescriptor a af:AudioFeature ;
    rdfs:label "Amplitude Descriptor",
        "AmplitudeDescriptor" ;
    af:application_domain af:EnvironmentalSoundRecognition ;
    af:computation af:Mean,
        af:Median,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 9 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Amplitude Descriptor feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:AuditoryFilterBankTemporalEnvelopes a af:AudioFeature ;
    rdfs:label "Auditory Filter Bank Temporal Envelopes",
        "AuditoryFilterBankTemporalEnvelopes" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:BandpassFilter,
        af:EnergySpectralDensity,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 62 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Auditory Filter Bank Temporal Envelopes feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:AutocorrelationMFCCs a af:AudioFeature ;
    rdfs:label "Autocorrelation MFCCs",
        "AutocorrelationMFCCs" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:Autocorrelation,
        af:DiscreteCosineTransform,
        af:DiscreteFourierTransform,
        af:Logarithm,
        af:LowpassFilter,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Autocorrelation MFCCs feature" ;
    rdfs:subClassOf af:CepstralFeature ;
    vs:term_status "testing" .

af:BandPeriodicity a af:AudioFeature ;
    rdfs:label "Band Periodicity",
        "BandPeriodicity" ;
    af:application_domain af:AudioSegmentation ;
    af:computation af:Autocorrelation,
        af:BandpassFilter,
        af:RootMeanSquare,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 4 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Band Periodicity feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:Bandwidth a af:AudioFeature ;
    rdfs:label "Bandwidth" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:Median,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Bandwidth feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:BarkscaleFrequencyCepstralCoefficients a af:AudioFeature ;
    rdfs:label "Bark-scale Frequency Cepstral Coefficients",
        "BarkscaleFrequencyCepstralCoefficients" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteCosineTransform,
        af:DiscreteFourierTransform,
        af:Logarithm,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Bark-scale Frequency Cepstral Coefficients feature" ;
    rdfs:subClassOf af:CepstralFeature ;
    vs:term_status "testing" .

af:BeatHistogram a af:AudioFeature ;
    rdfs:label "Beat Histogram",
        "BeatHistogram" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:Autocorrelation,
        af:DiscreteWaveletTransform,
        af:LowpassFilter,
        af:RootMeanSquare,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 6 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Beat Histogram feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:BeatSpectrum a af:AudioFeature ;
    rdfs:label "Beat Spectrum",
        "BeatSpectrum" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:Autocorrelation,
        af:CrossCorrelation,
        af:DiscreteFourierTransform,
        af:Logarithm,
        af:LowpassFilter,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Beat Spectrum feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:BeatTracker a af:AudioFeature ;
    rdfs:label "Beat Tracker",
        "BeatTracker" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:BandpassFilter,
        af:CombFilter,
        af:DerivationDifference,
        af:LowpassFilter,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Beat Tracker feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:ChromaCENSFeatures a af:AudioFeature ;
    rdfs:label "Chroma CENS Features",
        "ChromaCENSFeatures" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:BandpassFilterBank,
        af:LowpassFilter,
        af:Normalization,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 12 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Chroma CENS Features feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:Chromagram a af:AudioFeature ;
    rdfs:label "Chromagram" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 12 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Chromagram feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:CyclicBeatSpectrum a af:AudioFeature ;
    rdfs:label "Cyclic Beat Spectrum",
        "CyclicBeatSpectrum" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:CombFilter,
        af:DerivationDifference,
        af:DiscreteFourierTransform,
        af:LowpassFilter,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Cyclic Beat Spectrum feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:DWPTbasedRhythmFeature a af:AudioFeature ;
    rdfs:label "DWPT-based Rhythm Feature",
        "DWPTbasedRhythmFeature" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:Autocorrelation,
        af:DiscreteWaveletTransform,
        af:RootMeanSquare,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "DWPT-based Rhythm Feature feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:DaubechiesWaveletCoefficientHistogram a af:AudioFeature ;
    rdfs:label "Daubechies Wavelet Coefficient Histogram",
        "DaubechiesWaveletCoefficientHistogram" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteWaveletTransform,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 28 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Daubechies Wavelet Coefficient Histogram feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:DistortionDiscriminantAnalysis a af:AudioFeature ;
    rdfs:label "Distortion Discriminant Analysis",
        "DistortionDiscriminantAnalysis" ;
    af:application_domain af:Fingerprinting ;
    af:computation af:Logarithm,
        af:ModulatedComplexLappedTransform,
        af:PrincipalComponentAnalysis,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions 64 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Distortion Discriminant Analysis feature" ;
    rdfs:subClassOf af:EigendomainFeature ;
    vs:term_status "testing" .

af:HarmonicCoefficient a af:AudioFeature ;
    rdfs:label "Harmonic Coefficient",
        "HarmonicCoefficient" ;
    af:application_domain af:AudioSegmentation ;
    af:computation af:Autocorrelation,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Harmonic Coefficient feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:HarmonicConcentration a af:AudioFeature ;
    rdfs:label "Harmonic Concentration",
        "HarmonicConcentration" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:EnergySpectralDensity,
        af:LevelCrossingDetector,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Harmonic Concentration feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:HarmonicDerivate a af:AudioFeature ;
    rdfs:label "Harmonic Derivate",
        "HarmonicDerivate" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DerivationDifference,
        af:DiscreteFourierTransform,
        af:Logarithm,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Harmonic Derivate feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:HarmonicEnergyEntropy a af:AudioFeature ;
    rdfs:label "Harmonic Energy Entropy",
        "HarmonicEnergyEntropy" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:Entropy,
        af:LevelCrossingDetector,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Harmonic Energy Entropy feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:HarmonicProminence a af:AudioFeature ;
    rdfs:label "Harmonic Prominence",
        "HarmonicProminence" ;
    af:application_domain af:EnvironmentalSoundRecognition ;
    af:computation af:Autocorrelation,
        af:LevelCrossingDetector,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Harmonic Prominence feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:Inharmonicity a af:AudioFeature ;
    rdfs:label "Inharmonicity" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:Autocorrelation,
        af:LevelCrossingDetector,
        af:Median,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Inharmonicity feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:IntegralLoudness a af:AudioFeature ;
    rdfs:label "Integral Loudness",
        "IntegralLoudness" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:ExponentialFunction,
        af:Logarithm,
        af:RootMeanSquare,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Integral Loudness feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:JointAcousticandModuluationFrequency a af:AudioFeature ;
    rdfs:label "Joint Acoustic and Moduluation Frequency",
        "JointAcousticandModuluationFrequency" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:DiscreteWaveletTransform,
        af:LowpassFilter,
        af:Regression,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Joint Acoustic and Moduluation Frequency feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:LineSpectralFrequencies a af:AudioFeature ;
    rdfs:label "Line Spectral Frequencies",
        "LineSpectralFrequencies" ;
    af:application_domain af:Several ;
    af:computation af:AutoregressionLPA,
        af:Percentile,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Line Spectral Frequencies feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:LinearPredictionCepstralCoefficients a af:AudioFeature ;
    rdfs:label "Linear Prediction Cepstral Coefficients",
        "LinearPredictionCepstralCoefficients" ;
    af:abbreviation "LPCC" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:AutoregressionLPA,
        af:BandpassFilter,
        af:CepstralRecursionFormula,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Linear Prediction Cepstral Coefficients feature" ;
    rdfs:subClassOf af:CepstralFeature ;
    vs:term_status "testing" .

af:LinearPredictionZCR a af:AudioFeature ;
    rdfs:label "Linear Prediction ZCR",
        "LinearPredictionZCR" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:AutoregressionLPA,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Linear Prediction ZCR feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:LinearPredictiveCoding a af:AudioFeature ;
    rdfs:label "Linear Predictive Coding",
        "LinearPredictiveCoding" ;
    af:abbreviation "LPC" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:AutoregressionLPA,
        af:BandpassFilter,
        af:DiscreteFourierTransform,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Linear Predictive Coding feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:MPEG7AudioFundamentalFrequency a af:AudioFeature ;
    rdfs:label "MPEG-7 Audio Fundamental Frequency",
        "MPEG7AudioFundamentalFrequency" ;
    af:application_domain af:Several ;
    af:computation af:Autocorrelation,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 2 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Audio Fundamental Frequency feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7AudioHarmonicity a af:AudioFeature ;
    rdfs:label "MPEG-7 Audio Harmonicity",
        "MPEG7AudioHarmonicity" ;
    af:application_domain af:Several ;
    af:computation af:Autocorrelation,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 2 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Audio Harmonicity feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7AudioSpectrumBasis a af:AudioFeature ;
    rdfs:label "MPEG-7 Audio Spectrum Basis",
        "MPEG7AudioSpectrumBasis" ;
    af:application_domain af:EnvironmentalSoundRecognition ;
    af:computation af:DiscreteFourierTransform,
        af:IndependentComponentAnalysis,
        af:Logarithm,
        af:Normalization,
        af:Regression,
        af:SingularValueDecomposition,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "MPEG-7 Audio Spectrum Basis feature" ;
    rdfs:subClassOf af:EigendomainFeature ;
    vs:term_status "testing" .

af:MPEG7AudioSpectrumCentroid a af:AudioFeature ;
    rdfs:label "MPEG-7 Audio Spectrum Centroid",
        "MPEG7AudioSpectrumCentroid" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:Mean,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Audio Spectrum Centroid feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7AudioSpectrumSpread a af:AudioFeature ;
    rdfs:label "MPEG-7 Audio Spectrum Spread",
        "MPEG7AudioSpectrumSpread" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:Median,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Audio Spectrum Spread feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7AudioWaveform a af:AudioFeature ;
    rdfs:label "MPEG-7 Audio Waveform",
        "MPEG7AudioWaveform" ;
    af:computation af:Histogram,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 2 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Audio Waveform feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:MPEG7HarmonicSpectralCentroid a af:AudioFeature ;
    rdfs:label "MPEG-7 Harmonic Spectral Centroid",
        "MPEG7HarmonicSpectralCentroid" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:LevelCrossingDetector,
        af:Mean,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Harmonic Spectral Centroid feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7HarmonicSpectralDeviation a af:AudioFeature ;
    rdfs:label "MPEG-7 Harmonic Spectral Deviation",
        "MPEG7HarmonicSpectralDeviation" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:LevelCrossingDetector,
        af:Logarithm,
        af:Mean,
        af:Median,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Harmonic Spectral Deviation feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7HarmonicSpectralSpread a af:AudioFeature ;
    rdfs:label "MPEG-7 Harmonic Spectral Spread",
        "MPEG7HarmonicSpectralSpread" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:LevelCrossingDetector,
        af:Median,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Harmonic Spectral Spread feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7HarmonicSpectralVariation a af:AudioFeature ;
    rdfs:label "MPEG-7 Harmonic Spectral Variation",
        "MPEG7HarmonicSpectralVariation" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:CrossCorrelation,
        af:DiscreteFourierTransform,
        af:LevelCrossingDetector,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "MPEG-7 Harmonic Spectral Variation feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:MPEG7LogAttackTime a af:AudioFeature ;
    rdfs:label "MPEG-7 Log Attack Time",
        "MPEG7LogAttackTime" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:Logarithm,
        af:Power,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:Global ;
    rdfs:comment "MPEG-7 Log Attack Time feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:MPEG7SpectralCentroid a af:AudioFeature ;
    rdfs:label "MPEG-7 Spectral Centroid",
        "MPEG7SpectralCentroid" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:Mean ;
    af:computational_complexity af:LowComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:Global ;
    rdfs:comment "MPEG-7 Spectral Centroid feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:MPEG7TemporalCentroid a af:AudioFeature ;
    rdfs:label "MPEG-7 Temporal Centroid",
        "MPEG7TemporalCentroid" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:Mean,
        af:Power,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:computedIn "MPEG-7" ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "MPEG-7 Temporal Centroid feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:Maximum a owl:Class ;
    rdfs:label "Maximum" ;
    rdfs:subClassOf af:Aggregation .

af:MelscaleFrequencyCepstralCoefficients a af:AudioFeature ;
    rdfs:label "Mel-scale Frequency Cepstral Coefficients",
        "MelscaleFrequencyCepstralCoefficients" ;
    af:abbreviation "MFCC" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteCosineTransform,
        af:DiscreteFourierTransform,
        af:Logarithm,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Mel-scale Frequency Cepstral Coefficients feature" ;
    rdfs:subClassOf af:CepstralFeature ;
    vs:term_status "testing" .

af:Minimum a owl:Class ;
    rdfs:label "Minimum" ;
    rdfs:subClassOf af:Aggregation .

af:ModifiedGroupDelay a af:AudioFeature ;
    rdfs:label "Modified Group Delay",
        "ModifiedGroupDelay" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:DiscreteCosineTransform,
        af:DiscreteFourierTransform,
        af:GroupDelayFunction,
        af:LowpassFilter,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Modified Group Delay feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:MultiresolutionEntropy a af:AudioFeature ;
    rdfs:label "Multi-resolution Entropy",
        "MultiresolutionEntropy" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:DiscreteFourierTransform,
        af:Entropy,
        af:Normalization,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Multi-resolution Entropy feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:NoiseRobustAuditoryFeature a af:AudioFeature ;
    rdfs:label "Noise-Robust Auditory Feature",
        "NoiseRobustAuditoryFeature" ;
    af:application_domain af:EnvironmentalSoundRecognition ;
    af:computation af:BandpassFilterBank,
        af:DerivationDifference,
        af:DiscreteCosineTransform,
        af:Logarithm,
        af:LowpassFilter,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions 256 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Noise-Robust Auditory Feature feature" ;
    rdfs:subClassOf af:CepstralFeature ;
    vs:term_status "testing" .

af:PerceptualLinearPrediction a af:AudioFeature ;
    rdfs:label "Perceptual Linear Prediction",
        "PerceptualLinearPrediction" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:AutoregressionLPA,
        af:CepstralRecursionFormula,
        af:DiscreteCosineTransform,
        af:DiscreteFourierTransform,
        af:Regression,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Perceptual Linear Prediction feature" ;
    rdfs:subClassOf af:CepstralFeature ;
    vs:term_status "testing" .

af:PhaseSpaceFeatures a af:AudioFeature ;
    rdfs:label "Phase Space Features",
        "PhaseSpaceFeatures" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:PhaseSpaceEmbedding,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Phase Space Features feature" ;
    rdfs:subClassOf af:PhasespaceFeature ;
    vs:term_status "testing" .

af:Pitch a af:AudioFeature ;
    rdfs:label "Pitch" ;
    af:application_domain af:Several ;
    af:computation af:Autocorrelation,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Pitch feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:PitchHistogram a af:AudioFeature ;
    rdfs:label "Pitch Histogram",
        "PitchHistogram" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:Autocorrelation,
        af:RootMeanSquare,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Pitch Histogram feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:PitchProfile a af:AudioFeature ;
    rdfs:label "Pitch Profile",
        "PitchProfile" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:ConstantQTransform,
        af:RootMeanSquare,
        af:Spectralbinning,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions 12 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Pitch Profile feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:PitchSynchronousZCPA a af:AudioFeature ;
    rdfs:label "Pitch Synchronous ZCPA",
        "PitchSynchronousZCPA" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:Autocorrelation,
        af:BandpassFilter,
        af:Logarithm,
        af:RootMeanSquare,
        af:Spectralbinning,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Pitch Synchronous ZCPA feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:PsychoacousticalPitch a af:AudioFeature ;
    rdfs:label "Psychoacoustical Pitch",
        "PsychoacousticalPitch" ;
    af:application_domain af:Several ;
    af:computation af:Autocorrelation,
        af:BandpassFilter,
        af:RootMeanSquare,
        af:WeightingFunction ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Psychoacoustical Pitch feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:PulseMetric a af:AudioFeature ;
    rdfs:label "Pulse Metric",
        "PulseMetric" ;
    af:application_domain af:AudioSegmentation ;
    af:computation af:Autocorrelation,
        af:BandpassFilter,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Pulse Metric feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:RatescalefrequencyFeatures a af:AudioFeature ;
    rdfs:label "Rate-scale-frequency Features",
        "RatescalefrequencyFeatures" ;
    af:application_domain af:EnvironmentalSoundRecognition ;
    af:computation af:BandpassFilterBank,
        af:DerivationDifference,
        af:DiscreteWaveletTransform,
        af:LowpassFilter,
        af:PrincipalComponentAnalysis,
        af:RootMeanSquare,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions 256 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Rate-scale-frequency Features feature" ;
    rdfs:subClassOf af:EigendomainFeature ;
    vs:term_status "testing" .

af:RelativeSpectralPLP a af:AudioFeature ;
    rdfs:label "Relative Spectral PLP",
        "RelativeSpectralPLP" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:AutoregressionLPA,
        af:BandpassFilter,
        af:CepstralRecursionFormula,
        af:DiscreteCosineTransform,
        af:DiscreteFourierTransform,
        af:ExponentialFunction,
        af:Logarithm,
        af:Regression,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Relative Spectral PLP feature" ;
    rdfs:subClassOf af:CepstralFeature ;
    vs:term_status "testing" .

af:RhythmPatterns a af:AudioFeature ;
    rdfs:label "Rhythm Patterns",
        "RhythmPatterns" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:HarmonicPeakDetection,
        af:Logarithm,
        af:LowpassFilter,
        af:Regression,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions 80 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Rhythm Patterns feature" ;
    rdfs:subClassOf af:ModulationfrequencyFeature ;
    vs:term_status "testing" .

af:Sharpness a af:AudioFeature ;
    rdfs:label "Sharpness" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:Mean,
        af:Regression,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Sharpness feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:ShortTimeEnergy a af:AudioFeature ;
    rdfs:label "Short-Time Energy",
        "ShortTimeEnergy" ;
    af:application_domain af:Several ;
    af:computation af:DeviationSumofDifferences,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Short-Time Energy feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:Sone a af:AudioFeature ;
    rdfs:label "Sone" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:LowpassFilter,
        af:Regression,
        af:WeightingFunction,
        af:Windowing ;
    af:computational_complexity af:HighComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Sone feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralCenter a af:AudioFeature ;
    rdfs:label "Spectral Center",
        "SpectralCenter" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:EnergySpectralDensity,
        af:HarmonicPeakDetection,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Center feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralCentroid a af:AudioFeature ;
    rdfs:label "Spectral Centroid",
        "SpectralCentroid" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:Mean,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Centroid feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralCrest a af:AudioFeature ;
    rdfs:label "Spectral Crest",
        "SpectralCrest" ;
    af:application_domain af:Fingerprinting ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:Mean,
        af:Regression,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Crest feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralDispersion a af:AudioFeature ;
    rdfs:label "Spectral Dispersion",
        "SpectralDispersion" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DiscreteFourierTransform,
        af:EnergySpectralDensity,
        af:HarmonicPeakDetection,
        af:Median,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Dispersion feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralFlatness a af:AudioFeature ;
    rdfs:label "Spectral Flatness",
        "SpectralFlatness" ;
    af:application_domain af:Fingerprinting ;
    af:computation af:DiscreteFourierTransform,
        af:Logarithm,
        af:Mean,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Flatness feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralFlux a af:AudioFeature ;
    rdfs:label "Spectral Flux",
        "SpectralFlux" ;
    af:abbreviation "SF" ;
    af:application_domain af:Several ;
    af:computation af:DerivationDifference,
        af:DiscreteFourierTransform,
        af:RootMeanSquare,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Flux feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:SpectralPeakStructure a af:AudioFeature ;
    rdfs:label "Spectral Peak Structure",
        "SpectralPeakStructure" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DerivationDifference,
        af:DiscreteFourierTransform,
        af:Entropy,
        af:LevelCrossingDetector,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Peak Structure feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralPeaks a af:AudioFeature ;
    rdfs:label "Spectral Peaks",
        "SpectralPeaks" ;
    af:application_domain af:MusicInformationRetrieval ;
    af:computation af:DerivationDifference,
        af:DiscreteFourierTransform,
        af:SumWeightedSum,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:InterFrame ;
    rdfs:comment "Spectral Peaks feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:SpectralRolloff a af:AudioFeature ;
    rdfs:label "Spectral Rolloff",
        "SpectralRolloff" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:PolynomialRootFinding,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Rolloff feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:SpectralSlope a af:AudioFeature ;
    rdfs:label "Spectral Slope",
        "SpectralSlope" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:PeakDetection,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 4 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Spectral Slope feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:SubbandEnergyRatio a af:AudioFeature ;
    rdfs:label "Subband Energy Ratio",
        "SubbandEnergyRatio" ;
    af:application_domain af:Several ;
    af:computation af:DiscreteFourierTransform,
        af:EnergySpectralDensity,
        af:Normalization,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Subband Energy Ratio feature" ;
    rdfs:subClassOf af:FrequencyDomainPhysicalFeature ;
    vs:term_status "testing" .

af:SubbandSpectralFlux a af:AudioFeature ;
    rdfs:label "Subband Spectral Flux",
        "SubbandSpectralFlux" ;
    af:application_domain af:EnvironmentalSoundRecognition ;
    af:computation af:DerivationDifference,
        af:DiscreteFourierTransform,
        af:Logarithm,
        af:Mean,
        af:Normalization,
        af:Regression,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions 8 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PerceptualFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Subband Spectral Flux feature" ;
    rdfs:subClassOf af:FrequencyDomainPerceptualFeature ;
    vs:term_status "testing" .

af:Volume a af:AudioFeature ;
    rdfs:label "Volume" ;
    af:application_domain af:Several ;
    af:computation af:Power,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Volume feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:ZeroCrossingPeakAmplitudes a af:AudioFeature ;
    rdfs:label "Zero Crossing Peak Amplitudes",
        "ZeroCrossingPeakAmplitudes" ;
    af:application_domain af:SpeechRecognition ;
    af:computation af:BandpassFilter,
        af:Logarithm,
        af:RootMeanSquare,
        af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:MediumComplexity ;
    af:dimensions af:ParametrizedDimensions ;
    af:psychoacoustic_model true ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Zero Crossing Peak Amplitudes feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:ZeroCrossingRate a af:AudioFeature ;
    rdfs:label "Zero Crossing Rate",
        "ZeroCrossingRate" ;
    af:abbreviation "ZCR" ;
    af:application_domain af:Several ;
    af:computation af:Spectralbinning,
        af:Windowing ;
    af:computational_complexity af:LowComplexity ;
    af:dimensions 1 ;
    af:psychoacoustic_model false ;
    af:semantic_interpretation af:PhysicalFeature ;
    af:temporal_scale af:IntraFrame ;
    rdfs:comment "Zero Crossing Rate feature" ;
    rdfs:subClassOf af:TemporalFeature ;
    vs:term_status "testing" .

af:application_domain a rdf:Property ;
    rdfs:comment "application domain property" ;
    rdfs:range af:ApplicationDomain ;
    vs:term_status "testing" .

af:computational_complexity a rdf:Property ;
    rdfs:range af:ComputationalComplexity ;
    vs:term_status "testing" .

af:dimensions a rdf:Property ;
    rdfs:range af:ParametrizedDimensions,
        xsd:Integer .

af:psychoacoustic_model a rdf:Property ;
    rdfs:range xsd:Boolean ;
    vs:term_status "testing" .

af:semantic_interpretation a rdf:Property ;
    vs:term_status "testing" .

af:temporal_scale a rdf:Property ;
    rdfs:range af:TemporalScale .

vs:term_status a owl:AnnotationProperty .

af:AdaptiveTimeFrequencyTransformComp a owl:Class ;
    rdfs:label "Adaptive Time Frequency Transform Comp" ;
    rdfs:subClassOf af:Transformation .

af:ConstantQTransform a owl:Class ;
    rdfs:label "Constant Q Transform" ;
    rdfs:subClassOf af:Transformation .

af:DeviationSumofDifferences a owl:Class ;
    rdfs:label "Deviation, Sum of Differences" ;
    rdfs:subClassOf af:Aggregation .

af:GroupDelayFunction a owl:Class ;
    rdfs:label "Group Delay Function" ;
    rdfs:subClassOf af:Filter .

af:Histogram a owl:Class ;
    rdfs:label "Histogram" ;
    rdfs:subClassOf af:Aggregation .

af:IndependentComponentAnalysis a owl:Class ;
    rdfs:label "Independent Component Analysis" ;
    rdfs:subClassOf af:Transformation .

af:ModulatedComplexLappedTransform a owl:Class ;
    rdfs:label "Modulated Complex Lapped Transform" ;
    rdfs:subClassOf af:Transformation .

af:PeakDetection a owl:Class ;
    rdfs:label "Peak Detection" ;
    rdfs:subClassOf af:Aggregation .

af:Percentile a owl:Class ;
    rdfs:label "Percentile" ;
    rdfs:subClassOf af:Aggregation .

af:PhaseSpaceEmbedding a owl:Class ;
    rdfs:label "Phase Space Embedding" ;
    rdfs:subClassOf af:Transformation .

af:PhasespaceFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:PolynomialRootFinding a owl:Class ;
    rdfs:label "Polynomial Root Finding" ;
    rdfs:subClassOf af:Aggregation .

af:Signal a owl:Class .

af:SingularValueDecomposition a owl:Class ;
    rdfs:label "Singular Value Decomposition" ;
    rdfs:subClassOf af:Transformation .

af:CombFilter a owl:Class ;
    rdfs:label "Comb Filter" ;
    rdfs:subClassOf af:Filter .

af:CrossCorrelation a owl:Class ;
    rdfs:label "Cross-Correlation" ;
    rdfs:subClassOf af:Transformation .

af:ExponentialFunction a owl:Class ;
    rdfs:label "Exponential Function" ;
    rdfs:subClassOf af:Filter .

af:FrequencyFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:PrincipalComponentAnalysis a owl:Class ;
    rdfs:label "Principal Component Analysis" ;
    rdfs:subClassOf af:Transformation .

af:BandpassFilterBank a owl:Class ;
    rdfs:label "Band-pass Filter Bank" ;
    rdfs:subClassOf af:Transformation .

af:CepstralRecursionFormula a owl:Class ;
    rdfs:label "Cepstral Recursion Formula" ;
    rdfs:subClassOf af:Filter .

af:EigendomainFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:Entropy a owl:Class ;
    rdfs:label "Entropy" ;
    rdfs:subClassOf af:Aggregation .

af:Fingerprinting a owl:Class ;
    rdfs:subClassOf af:ApplicationDomain .

af:Global a owl:Class ;
    rdfs:subClassOf af:TemporalScale .

af:HarmonicPeakDetection a owl:Class ;
    rdfs:label "Harmonic Peak Detection" ;
    rdfs:subClassOf af:Aggregation .

af:MathematicalOperation a owl:Class .

af:Power a owl:Class ;
    rdfs:label "Power" ;
    rdfs:subClassOf af:Aggregation .

af:ComputationalComplexity a owl:Class .

af:TemporalScale a owl:Class .

af:AudioSegmentation a owl:Class ;
    rdfs:subClassOf af:ApplicationDomain .

af:DiscreteWaveletTransform a owl:Class ;
    rdfs:label "Discrete Wavelet Transform" ;
    rdfs:subClassOf af:Transformation .

af:AutoregressionLPA a owl:Class ;
    rdfs:label "Autoregression (LPA)" ;
    rdfs:subClassOf af:Filter .

af:EnergySpectralDensity a owl:Class ;
    rdfs:label "Energy Spectral Density" ;
    rdfs:subClassOf af:Filter .

af:EnvironmentalSoundRecognition a owl:Class ;
    rdfs:subClassOf af:ApplicationDomain .

af:Normalization a owl:Class ;
    rdfs:label "Normalization" ;
    rdfs:subClassOf af:Filter .

af:ApplicationDomain a owl:Class .

af:CepstralFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:Median a owl:Class ;
    rdfs:label "Median" ;
    rdfs:subClassOf af:Aggregation .

af:DiscreteCosineTransform a owl:Class ;
    rdfs:label "Discrete Cosine Transform" ;
    rdfs:subClassOf af:Transformation .

af:Feature a owl:Class ;
    owl:subClassOf af:Signal .

af:DerivationDifference a owl:Class ;
    rdfs:label "Derivation, Difference" ;
    rdfs:subClassOf af:Filter .

af:LevelCrossingDetector a owl:Class ;
    rdfs:label "Level Crossing Detector" ;
    rdfs:subClassOf af:Aggregation .

af:WeightingFunction a owl:Class ;
    rdfs:label "Weighting Function" ;
    rdfs:subClassOf af:Filter .

af:FrequencyDomainPhysicalFeature a owl:Class ;
    rdfs:subClassOf af:FrequencyFeature ;
    owl:equivalentClass af:PhysicalFeature .

af:TemporalFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:Mean a owl:Class ;
    rdfs:label "Mean" ;
    rdfs:subClassOf af:Aggregation .

af:SpeechRecognition a owl:Class ;
    rdfs:subClassOf af:ApplicationDomain .

af:SumWeightedSum a owl:Class ;
    rdfs:label "Sum, Weighted Sum" ;
    rdfs:subClassOf af:Aggregation .

af:BandpassFilter a owl:Class ;
    rdfs:label "Band-pass Filter" ;
    rdfs:subClassOf af:Filter .

af:LowpassFilter a owl:Class ;
    rdfs:label "Low-pass Filter" ;
    rdfs:subClassOf af:Filter .

af:ModulationfrequencyFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:Spectralbinning a owl:Class ;
    rdfs:label "Spectral binning" ;
    rdfs:subClassOf af:Aggregation .

af:Filter a owl:Class ;
    rdfs:subClassOf af:MathematicalOperation .

af:Transformation a owl:Class ;
    rdfs:subClassOf af:MathematicalOperation .

af:Autocorrelation a owl:Class ;
    rdfs:label "Autocorrelation" ;
    rdfs:subClassOf af:Transformation .

af:InterFrame a owl:Class ;
    rdfs:subClassOf af:TemporalScale .

af:Aggregation a owl:Class ;
    rdfs:subClassOf af:MathematicalOperation .

af:HighComplexity a owl:Class ;
    rdfs:subClassOf af:ComputationalComplexity .

af:Regression a owl:Class ;
    rdfs:label "Regression" ;
    rdfs:subClassOf af:Aggregation .

af:Several a owl:Class ;
    rdfs:subClassOf af:ApplicationDomain .

af:RootMeanSquare a owl:Class ;
    rdfs:label "Root Mean Square" ;
    rdfs:subClassOf af:Aggregation .

af:LowComplexity a owl:Class ;
    rdfs:subClassOf af:ComputationalComplexity .

af:Logarithm a owl:Class ;
    rdfs:label "Logarithm" ;
    rdfs:subClassOf af:Filter .

af:ParametrizedDimensions a owl:Class .

af:MusicInformationRetrieval a owl:Class ;
    rdfs:subClassOf af:ApplicationDomain .

af:FrequencyDomainPerceptualFeature a owl:Class ;
    rdfs:subClassOf af:FrequencyFeature ;
    owl:equivalentClass af:PerceptualFeature .

af:MediumComplexity a owl:Class ;
    rdfs:subClassOf af:ComputationalComplexity .

af:PhysicalFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:DiscreteFourierTransform a owl:Class ;
    rdfs:label "Discrete Fourier Transform" ;
    rdfs:subClassOf af:Transformation .

af:PerceptualFeature a owl:Class ;
    rdfs:subClassOf af:Feature .

af:IntraFrame a owl:Class ;
    rdfs:subClassOf af:TemporalScale .

af:Windowing a owl:Class ;
    rdfs:label "Windowing" ;
    rdfs:subClassOf af:Filter .

af:AudioFeature a owl:Class .