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