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comparison rdfonto/aubio-onto.rdf @ 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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17:2b5c292ad12f 18:d5012016bf64
1 <?xml version="1.0" encoding="UTF-8"?>
2 <rdf:RDF
3 xmlns:dc="http://purl.org/dc/elements/1.1/"
4 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
5 xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
6 >
7 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchSchmitt">
8 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
9 <dc:description>Pitch detection using a Schmitt trigger</dc:description>
10 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection"/>
11 </rdf:Description>
12 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralKurtosis">
13 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
14 <dc:description>The kurtosis is a measure of the flatness of the spectrum, computed from the fourth order moment.</dc:description>
15 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
16 </rdf:Description>
17 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralRolloff">
18 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
19 <dc:description>This function returns the bin number below which 95% of the spectrum energy is found.</dc:description>
20 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
21 </rdf:Description>
22 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/ModifiedKullbackLieblerOnsetDetectionFunction">
23 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
24 <dc:description>Modified Kullback-Liebler onset detection function.</dc:description>
25 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
26 </rdf:Description>
27 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/HighFrequencyContentOnsetDetectionFunction">
28 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
29 <dc:description>This method computes the High Frequency Content (HFC) of the input spectral frame. The resulting function is efficient at detecting percussive onsets</dc:description>
30 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
31 </rdf:Description>
32 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralDecrease">
33 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
34 <dc:description>The spectral decrease is another representation of the decreasing rate, based on perceptual criteria.</dc:description>
35 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
36 </rdf:Description>
37 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/KullbackLieblerOnsetDetectionFunction">
38 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
39 <dc:description>Kullback-Liebler onset detection function.</dc:description>
40 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
41 </rdf:Description>
42 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Pitch">
43 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
44 <dc:description>Generic method for pitch detection</dc:description>
45 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection"/>
46 </rdf:Description>
47 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchFastComb">
48 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
49 <dc:description>Pitch detection using a fast harmonic comb filter</dc:description>
50 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection"/>
51 </rdf:Description>
52 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection">
53 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
54 </rdf:Description>
55 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Onset">
56 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
57 <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</dc:description>
58 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
59 </rdf:Description>
60 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PhaseVocoder">
61 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
62 <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.</dc:description>
63 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
64 </rdf:Description>
65 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralSlope">
66 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
67 <dc:description>The spectral slope represents decreasing rate of the spectral amplitude, computed using a linear regression.</dc:description>
68 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
69 </rdf:Description>
70 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetectionFunction">
71 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
72 <dc:description>These functions are designed to raise at notes attacks in music signals.</dc:description>
73 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
74 </rdf:Description>
75 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/BiquadFilter">
76 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
77 <dc:description>Second order Infinite Impulse Response filter.</dc:description>
78 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DigitalFilter"/>
79 </rdf:Description>
80 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/CWeightingFilterCoefficients">
81 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
82 <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.</dc:description>
83 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DigitalFilter"/>
84 </rdf:Description>
85 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralSkewness">
86 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
87 <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.</dc:description>
88 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
89 </rdf:Description>
90 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/BeatTracking">
91 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
92 <dc:description>Beat tracking using a context dependant model.</dc:description>
93 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Tempo"/>
94 </rdf:Description>
95 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchMultiComb">
96 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
97 <dc:description>Pitch detection using multiple-comb filter</dc:description>
98 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection"/>
99 </rdf:Description>
100 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/ComplexDomainMethodOnsetDetectionFunction">
101 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
102 <dc:description>Complex Domain Method onset detection function.</dc:description>
103 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
104 </rdf:Description>
105 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Tempo">
106 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
107 <dc:description>Tempo detection driver. This object stores all the memory required for tempo detection algorithm and returns the estimated beat locations.</dc:description>
108 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Tempo"/>
109 </rdf:Description>
110 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralCentroid">
111 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
112 <dc:description>The spectral centroid represents the barycenter of the spectrum.</dc:description>
113 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
114 </rdf:Description>
115 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection">
116 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
117 </rdf:Description>
118 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchYin">
119 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
120 <dc:description>Pitch detection using the YIN algorithm</dc:description>
121 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection"/>
122 </rdf:Description>
123 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/Resampler">
124 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
125 <dc:description>This object resamples an input vector into an output vector using libsamplerate.</dc:description>
126 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DigitalFilter"/>
127 </rdf:Description>
128 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFlux">
129 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
130 <dc:description>Spectral Flux</dc:description>
131 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
132 </rdf:Description>
133 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralSpread">
134 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
135 <dc:description>The spectral spread is the variance of the spectral distribution around its centroid.</dc:description>
136 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
137 </rdf:Description>
138 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PeakPicker">
139 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
140 <dc:description>Peak picking utilities function</dc:description>
141 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
142 </rdf:Description>
143 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/TransientSteadyStateSeparation">
144 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
145 <dc:description>Transient / Steady-state Separation (TSS)</dc:description>
146 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
147 </rdf:Description>
148 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DigitalFilter">
149 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
150 <dc:description>This object stores a digital filter of order N.</dc:description>
151 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DigitalFilter"/>
152 </rdf:Description>
153 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/MFCC">
154 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
155 <dc:description>Mel-frequency cepstrum coefficients object</dc:description>
156 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
157 </rdf:Description>
158 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature">
159 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
160 </rdf:Description>
161 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchFftYin">
162 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
163 <dc:description>Pitch detection using a spectral implementation of the YIN algorithm</dc:description>
164 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection"/>
165 </rdf:Description>
166 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/FilterbankMel">
167 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
168 <dc:description>Mel frequency filter bank coefficients. Set filter bank coefficients to Mel frequency bands</dc:description>
169 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
170 </rdf:Description>
171 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PhaseBasedMethodOnsetDetectionFunction">
172 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
173 <dc:description>Phase Based Method onset detection function.</dc:description>
174 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
175 </rdf:Description>
176 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/AWeightingFilterCoefficients">
177 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
178 <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.</dc:description>
179 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/DigitalFilter"/>
180 </rdf:Description>
181 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/EnergyBasedOnsetDetectionFunction">
182 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
183 <dc:description>This function calculates the local energy of the input spectral frame.</dc:description>
184 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/OnsetDetection"/>
185 </rdf:Description>
186 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralDifferenceMethodOnsetDetectionFunction">
187 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
188 <dc:description>Spectral difference method onset detection function.</dc:description>
189 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/PitchDetection"/>
190 </rdf:Description>
191 <rdf:Description rdf:about="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralShapeDescriptors">
192 <rdf:type rdf:resource="http://www.w3.org/2002/07/owl#Class"/>
193 <dc:description>Spectral shape descriptors</dc:description>
194 <rdfs:subClassOf rdf:resource="http://sovarr.c4dm.eecs.qmul.ac.uk/features/SpectralFeature"/>
195 </rdf:Description>
196 </rdf:RDF>