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annotate rdfonto/aubio-onto.n3 @ 18:d5012016bf64 tip

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added rdfpy and rdfonto directories
author nothing@tehis.net
date Tue, 23 Apr 2013 11:49:20 +0100
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nothing@18 1 @prefix af: <http://sovarr.c4dm.eecs.qmul.ac.uk/features/> .
nothing@18 2 @prefix dc: <http://purl.org/dc/elements/1.1/> .
nothing@18 3 @prefix owl: <http://www.w3.org/2002/07/owl#> .
nothing@18 4 @prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .
nothing@18 5
nothing@18 6 af:AWeightingFilterCoefficients a owl:Class ;
nothing@18 7 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." ;
nothing@18 8 rdfs:subClassOf af:DigitalFilter .
nothing@18 9
nothing@18 10 af:BeatTracking a owl:Class ;
nothing@18 11 dc:description "Beat tracking using a context dependant model." ;
nothing@18 12 rdfs:subClassOf af:Tempo .
nothing@18 13
nothing@18 14 af:BiquadFilter a owl:Class ;
nothing@18 15 dc:description "Second order Infinite Impulse Response filter." ;
nothing@18 16 rdfs:subClassOf af:DigitalFilter .
nothing@18 17
nothing@18 18 af:CWeightingFilterCoefficients a owl:Class ;
nothing@18 19 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." ;
nothing@18 20 rdfs:subClassOf af:DigitalFilter .
nothing@18 21
nothing@18 22 af:ComplexDomainMethodOnsetDetectionFunction a owl:Class ;
nothing@18 23 dc:description "Complex Domain Method onset detection function." ;
nothing@18 24 rdfs:subClassOf af:OnsetDetection .
nothing@18 25
nothing@18 26 af:EnergyBasedOnsetDetectionFunction a owl:Class ;
nothing@18 27 dc:description "This function calculates the local energy of the input spectral frame." ;
nothing@18 28 rdfs:subClassOf af:OnsetDetection .
nothing@18 29
nothing@18 30 af:FilterbankMel a owl:Class ;
nothing@18 31 dc:description "Mel frequency filter bank coefficients. Set filter bank coefficients to Mel frequency bands" ;
nothing@18 32 rdfs:subClassOf af:SpectralFeature .
nothing@18 33
nothing@18 34 af:HighFrequencyContentOnsetDetectionFunction a owl:Class ;
nothing@18 35 dc:description "This method computes the High Frequency Content (HFC) of the input spectral frame. The resulting function is efficient at detecting percussive onsets" ;
nothing@18 36 rdfs:subClassOf af:OnsetDetection .
nothing@18 37
nothing@18 38 af:KullbackLieblerOnsetDetectionFunction a owl:Class ;
nothing@18 39 dc:description "Kullback-Liebler onset detection function." ;
nothing@18 40 rdfs:subClassOf af:OnsetDetection .
nothing@18 41
nothing@18 42 af:MFCC a owl:Class ;
nothing@18 43 dc:description "Mel-frequency cepstrum coefficients object" ;
nothing@18 44 rdfs:subClassOf af:SpectralFeature .
nothing@18 45
nothing@18 46 af:ModifiedKullbackLieblerOnsetDetectionFunction a owl:Class ;
nothing@18 47 dc:description "Modified Kullback-Liebler onset detection function." ;
nothing@18 48 rdfs:subClassOf af:OnsetDetection .
nothing@18 49
nothing@18 50 af:Onset a owl:Class ;
nothing@18 51 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" ;
nothing@18 52 rdfs:subClassOf af:OnsetDetection .
nothing@18 53
nothing@18 54 af:OnsetDetectionFunction a owl:Class ;
nothing@18 55 dc:description "These functions are designed to raise at notes attacks in music signals." ;
nothing@18 56 rdfs:subClassOf af:OnsetDetection .
nothing@18 57
nothing@18 58 af:PeakPicker a owl:Class ;
nothing@18 59 dc:description "Peak picking utilities function" ;
nothing@18 60 rdfs:subClassOf af:OnsetDetection .
nothing@18 61
nothing@18 62 af:PhaseBasedMethodOnsetDetectionFunction a owl:Class ;
nothing@18 63 dc:description "Phase Based Method onset detection function." ;
nothing@18 64 rdfs:subClassOf af:OnsetDetection .
nothing@18 65
nothing@18 66 af:PhaseVocoder a owl:Class ;
nothing@18 67 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." ;
nothing@18 68 rdfs:subClassOf af:SpectralFeature .
nothing@18 69
nothing@18 70 af:Pitch a owl:Class ;
nothing@18 71 dc:description "Generic method for pitch detection" ;
nothing@18 72 rdfs:subClassOf af:PitchDetection .
nothing@18 73
nothing@18 74 af:PitchFastComb a owl:Class ;
nothing@18 75 dc:description "Pitch detection using a fast harmonic comb filter" ;
nothing@18 76 rdfs:subClassOf af:PitchDetection .
nothing@18 77
nothing@18 78 af:PitchFftYin a owl:Class ;
nothing@18 79 dc:description "Pitch detection using a spectral implementation of the YIN algorithm" ;
nothing@18 80 rdfs:subClassOf af:PitchDetection .
nothing@18 81
nothing@18 82 af:PitchMultiComb a owl:Class ;
nothing@18 83 dc:description "Pitch detection using multiple-comb filter" ;
nothing@18 84 rdfs:subClassOf af:PitchDetection .
nothing@18 85
nothing@18 86 af:PitchSchmitt a owl:Class ;
nothing@18 87 dc:description "Pitch detection using a Schmitt trigger" ;
nothing@18 88 rdfs:subClassOf af:PitchDetection .
nothing@18 89
nothing@18 90 af:PitchYin a owl:Class ;
nothing@18 91 dc:description "Pitch detection using the YIN algorithm" ;
nothing@18 92 rdfs:subClassOf af:PitchDetection .
nothing@18 93
nothing@18 94 af:Resampler a owl:Class ;
nothing@18 95 dc:description "This object resamples an input vector into an output vector using libsamplerate." ;
nothing@18 96 rdfs:subClassOf af:DigitalFilter .
nothing@18 97
nothing@18 98 af:SpectralCentroid a owl:Class ;
nothing@18 99 dc:description "The spectral centroid represents the barycenter of the spectrum." ;
nothing@18 100 rdfs:subClassOf af:SpectralFeature .
nothing@18 101
nothing@18 102 af:SpectralDecrease a owl:Class ;
nothing@18 103 dc:description "The spectral decrease is another representation of the decreasing rate, based on perceptual criteria." ;
nothing@18 104 rdfs:subClassOf af:SpectralFeature .
nothing@18 105
nothing@18 106 af:SpectralDifferenceMethodOnsetDetectionFunction a owl:Class ;
nothing@18 107 dc:description "Spectral difference method onset detection function." ;
nothing@18 108 rdfs:subClassOf af:PitchDetection .
nothing@18 109
nothing@18 110 af:SpectralFlux a owl:Class ;
nothing@18 111 dc:description "Spectral Flux" ;
nothing@18 112 rdfs:subClassOf af:SpectralFeature .
nothing@18 113
nothing@18 114 af:SpectralKurtosis a owl:Class ;
nothing@18 115 dc:description "The kurtosis is a measure of the flatness of the spectrum, computed from the fourth order moment." ;
nothing@18 116 rdfs:subClassOf af:SpectralFeature .
nothing@18 117
nothing@18 118 af:SpectralRolloff a owl:Class ;
nothing@18 119 dc:description "This function returns the bin number below which 95% of the spectrum energy is found." ;
nothing@18 120 rdfs:subClassOf af:SpectralFeature .
nothing@18 121
nothing@18 122 af:SpectralShapeDescriptors a owl:Class ;
nothing@18 123 dc:description "Spectral shape descriptors" ;
nothing@18 124 rdfs:subClassOf af:SpectralFeature .
nothing@18 125
nothing@18 126 af:SpectralSkewness a owl:Class ;
nothing@18 127 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." ;
nothing@18 128 rdfs:subClassOf af:SpectralFeature .
nothing@18 129
nothing@18 130 af:SpectralSlope a owl:Class ;
nothing@18 131 dc:description "The spectral slope represents decreasing rate of the spectral amplitude, computed using a linear regression." ;
nothing@18 132 rdfs:subClassOf af:SpectralFeature .
nothing@18 133
nothing@18 134 af:SpectralSpread a owl:Class ;
nothing@18 135 dc:description "The spectral spread is the variance of the spectral distribution around its centroid." ;
nothing@18 136 rdfs:subClassOf af:SpectralFeature .
nothing@18 137
nothing@18 138 af:TransientSteadyStateSeparation a owl:Class ;
nothing@18 139 dc:description "Transient / Steady-state Separation (TSS)" ;
nothing@18 140 rdfs:subClassOf af:SpectralFeature .
nothing@18 141
nothing@18 142 af:Tempo a owl:Class ;
nothing@18 143 dc:description "Tempo detection driver. This object stores all the memory required for tempo detection algorithm and returns the estimated beat locations." ;
nothing@18 144 rdfs:subClassOf af:Tempo .
nothing@18 145
nothing@18 146 af:DigitalFilter a owl:Class ;
nothing@18 147 dc:description "This object stores a digital filter of order N." ;
nothing@18 148 rdfs:subClassOf af:DigitalFilter .
nothing@18 149
nothing@18 150 af:PitchDetection a owl:Class .
nothing@18 151
nothing@18 152 af:OnsetDetection a owl:Class .
nothing@18 153
nothing@18 154 af:SpectralFeature a owl:Class .
nothing@18 155