view rdfonto/aubio-onto.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 rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

af:AWeightingFilterCoefficients a owl:Class ;
    dc:description "An A-weighting digital filter, which reduces low and high frequencies and enhance the middle ones to reflect the ability of the human hearing." ;
    rdfs:subClassOf af:DigitalFilter .

af:BeatTracking a owl:Class ;
    dc:description "Beat tracking using a context dependant model." ;
    rdfs:subClassOf af:Tempo .

af:BiquadFilter a owl:Class ;
    dc:description "Second order Infinite Impulse Response filter." ;
    rdfs:subClassOf af:DigitalFilter .

af:CWeightingFilterCoefficients a owl:Class ;
    dc:description "A C-weighting digital filter, which reduces low and high frequencies and enhance the middle ones to reflect the ability of the human hearing." ;
    rdfs:subClassOf af:DigitalFilter .

af:ComplexDomainMethodOnsetDetectionFunction a owl:Class ;
    dc:description "Complex Domain Method onset detection function." ;
    rdfs:subClassOf af:OnsetDetection .

af:EnergyBasedOnsetDetectionFunction a owl:Class ;
    dc:description "This function calculates the local energy of the input spectral frame." ;
    rdfs:subClassOf af:OnsetDetection .

af:FilterbankMel a owl:Class ;
    dc:description "Mel frequency filter bank coefficients. Set filter bank coefficients to Mel frequency bands" ;
    rdfs:subClassOf af:SpectralFeature .

af:HighFrequencyContentOnsetDetectionFunction a owl:Class ;
    dc:description "This method computes the High Frequency Content (HFC) of the input spectral frame. The resulting function is efficient at detecting percussive onsets" ;
    rdfs:subClassOf af:OnsetDetection .

af:KullbackLieblerOnsetDetectionFunction a owl:Class ;
    dc:description "Kullback-Liebler onset detection function." ;
    rdfs:subClassOf af:OnsetDetection .

af:MFCC a owl:Class ;
    dc:description "Mel-frequency cepstrum coefficients object" ;
    rdfs:subClassOf af:SpectralFeature .

af:ModifiedKullbackLieblerOnsetDetectionFunction a owl:Class ;
    dc:description "Modified Kullback-Liebler onset detection function." ;
    rdfs:subClassOf af:OnsetDetection .

af:Onset a owl:Class ;
    dc:description "Computes the onset detection function and detect peaks in these functions. When onsets are found above a given silence threshold, and after a minimum inter-onset interval, the output vector returned by aubio_onset_do is filled with 1. Otherwise, the output vector remains 0" ;
    rdfs:subClassOf af:OnsetDetection .

af:OnsetDetectionFunction a owl:Class ;
    dc:description "These functions are designed to raise at notes attacks in music signals." ;
    rdfs:subClassOf af:OnsetDetection .

af:PeakPicker a owl:Class ;
    dc:description "Peak picking utilities function" ;
    rdfs:subClassOf af:OnsetDetection .

af:PhaseBasedMethodOnsetDetectionFunction a owl:Class ;
    dc:description "Phase Based Method onset detection function." ;
    rdfs:subClassOf af:OnsetDetection .

af:PhaseVocoder a owl:Class ;
    dc:description "This object implements a phase vocoder. The spectral frames are computed using a HanningZ window and a swapped version of the signal to simplify the phase relationships across frames. The window sizes and overlap are specified at creation time." ;
    rdfs:subClassOf af:SpectralFeature .

af:Pitch a owl:Class ;
    dc:description "Generic method for pitch detection" ;
    rdfs:subClassOf af:PitchDetection .

af:PitchFastComb a owl:Class ;
    dc:description "Pitch detection using a fast harmonic comb filter" ;
    rdfs:subClassOf af:PitchDetection .

af:PitchFftYin a owl:Class ;
    dc:description "Pitch detection using a spectral implementation of the YIN algorithm" ;
    rdfs:subClassOf af:PitchDetection .

af:PitchMultiComb a owl:Class ;
    dc:description "Pitch detection using multiple-comb filter" ;
    rdfs:subClassOf af:PitchDetection .

af:PitchSchmitt a owl:Class ;
    dc:description "Pitch detection using a Schmitt trigger" ;
    rdfs:subClassOf af:PitchDetection .

af:PitchYin a owl:Class ;
    dc:description "Pitch detection using the YIN algorithm" ;
    rdfs:subClassOf af:PitchDetection .

af:Resampler a owl:Class ;
    dc:description "This object resamples an input vector into an output vector using libsamplerate." ;
    rdfs:subClassOf af:DigitalFilter .

af:SpectralCentroid a owl:Class ;
    dc:description "The spectral centroid represents the barycenter of the spectrum." ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralDecrease a owl:Class ;
    dc:description "The spectral decrease is another representation of the decreasing rate, based on perceptual criteria." ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralDifferenceMethodOnsetDetectionFunction a owl:Class ;
    dc:description "Spectral difference method onset detection function." ;
    rdfs:subClassOf af:PitchDetection .

af:SpectralFlux a owl:Class ;
    dc:description "Spectral Flux" ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralKurtosis a owl:Class ;
    dc:description "The kurtosis is a measure of the flatness of the spectrum, computed from the fourth order moment." ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralRolloff a owl:Class ;
    dc:description "This function returns the bin number below which 95% of the spectrum energy is found." ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralShapeDescriptors a owl:Class ;
    dc:description "Spectral shape descriptors" ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralSkewness a owl:Class ;
    dc:description "The skewness is computed from the third order moment of the spectrum. A negative skewness indicates more energy on the lower part of the spectrum. A positive skewness indicates more energy on the high frequency of the spectrum." ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralSlope a owl:Class ;
    dc:description "The spectral slope represents decreasing rate of the spectral amplitude, computed using a linear regression." ;
    rdfs:subClassOf af:SpectralFeature .

af:SpectralSpread a owl:Class ;
    dc:description "The spectral spread is the variance of the spectral distribution around its centroid." ;
    rdfs:subClassOf af:SpectralFeature .

af:TransientSteadyStateSeparation a owl:Class ;
    dc:description "Transient / Steady-state Separation (TSS)" ;
    rdfs:subClassOf af:SpectralFeature .

af:Tempo a owl:Class ;
    dc:description "Tempo detection driver. This object stores all the memory required for tempo detection algorithm and returns the estimated beat locations." ;
    rdfs:subClassOf af:Tempo .

af:DigitalFilter a owl:Class ;
    dc:description "This object stores a digital filter of order N." ;
    rdfs:subClassOf af:DigitalFilter .

af:PitchDetection a owl:Class .

af:OnsetDetection a owl:Class .

af:SpectralFeature a owl:Class .