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annotate rdf/af-MIRToolbox.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
parents 62d2c72e4223
children
rev   line source
nothing@0 1 <?xml version="1.0" encoding="UTF-8"?>
nothing@0 2 <rdf:RDF
nothing@0 3 xmlns:dc="http://purl.org/dc/elements/1.1/"
nothing@0 4 xmlns:local="http://sovarr.c4dm.eecs.qmul.ac.uk/features/"
nothing@0 5 xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
nothing@0 6 xmlns:rdfs="http://www.w3.org/2000/01/rdf-schema#"
nothing@0 7 >
nothing@0 8 <rdf:Description rdf:about="Tempo">
nothing@0 9 <dc:description>derived from calculated onsets with ACF, spectrum or both</dc:description>
nothing@0 10 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 11 <local:tag>Rhythm</local:tag>
nothing@0 12 </rdf:Description>
nothing@0 13 <rdf:Description rdf:about="Inharmonicity">
nothing@0 14 <dc:description>the amount of partials that are not multiples of the fundamental frequency, takes into account the amount of energy outside the ideal harmonic series</dc:description>
nothing@0 15 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 16 <local:tag>Pitch</local:tag>
nothing@0 17 </rdf:Description>
nothing@0 18 <rdf:Description rdf:about="Brightness">
nothing@0 19 <dc:description>The proportion of energy above a given frequency</dc:description>
nothing@0 20 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 21 <local:tag>Timbre</local:tag>
nothing@0 22 </rdf:Description>
nothing@0 23 <rdf:Description rdf:about="Chromagram">
nothing@0 24 <dc:description>shows the distribution of energy along the pitches or pitch classes</dc:description>
nothing@0 25 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 26 <local:tag>Tonality</local:tag>
nothing@0 27 </rdf:Description>
nothing@0 28 <rdf:Description rdf:about="Rolloff">
nothing@0 29 <dc:description>The frequency below which 85% of the energy is contained. The percentage may be user-chosen</dc:description>
nothing@0 30 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 31 <local:tag>Timbre</local:tag>
nothing@0 32 </rdf:Description>
nothing@0 33 <rdf:Description rdf:about="RhythmicFluctuation">
nothing@0 34 <dc:description>Rhythmic periodicity along auditory channels</dc:description>
nothing@0 35 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 36 <local:tag>Rhythm</local:tag>
nothing@0 37 </rdf:Description>
nothing@0 38 <rdf:Description rdf:about="Irregularity">
nothing@0 39 <dc:description>The degree of variation of the successive peaks of the spectrum</dc:description>
nothing@0 40 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 41 <local:tag>Timbre</local:tag>
nothing@0 42 </rdf:Description>
nothing@0 43 <rdf:Description rdf:about="ZeroCrossingRate">
nothing@0 44 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 45 <local:tag>Timbre</local:tag>
nothing@0 46 </rdf:Description>
nothing@0 47 <rdf:Description rdf:about="SpectralFluxOnsetDetectionFunction">
nothing@0 48 <dc:description>Use peaks of spectral flux to detect onsets</dc:description>
nothing@0 49 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 50 <local:tag>Rhythm</local:tag>
nothing@0 51 </rdf:Description>
nothing@0 52 <rdf:Description rdf:about="RMSEnergy">
nothing@0 53 <dc:description>root mean square energy</dc:description>
nothing@0 54 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 55 <local:tag>Dynamics</local:tag>
nothing@0 56 </rdf:Description>
nothing@0 57 <rdf:Description rdf:about="Mode">
nothing@0 58 <dc:description>Major vs. Minor, calculated as the strength difference between the best major and best minor key candidates</dc:description>
nothing@0 59 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 60 <local:tag>Tonality</local:tag>
nothing@0 61 </rdf:Description>
nothing@0 62 <rdf:Description rdf:about="Attack">
nothing@0 63 <dc:description>estimates the beginning of the attack phase of a note by locating the local minimum before the maximum corresponding to the onset</dc:description>
nothing@0 64 <rdfs:comment>These can have start time *and end time*</rdfs:comment>
nothing@0 65 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 66 <local:tag>Timbre</local:tag>
nothing@0 67 </rdf:Description>
nothing@0 68 <rdf:Description rdf:about="MFCC">
nothing@0 69 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 70 <local:tag>Timbre</local:tag>
nothing@0 71 </rdf:Description>
nothing@0 72 <rdf:Description rdf:about="AttackSlope">
nothing@0 73 <dc:description>average slope of attack phase, computed either as a simple ratio, or a Gaussian-weighted average to emphasise the middle of the attack</dc:description>
nothing@0 74 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 75 <local:tag>Timbre</local:tag>
nothing@0 76 </rdf:Description>
nothing@0 77 <rdf:Description rdf:about="Key">
nothing@0 78 <dc:description>The best candidate key</dc:description>
nothing@0 79 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 80 <local:tag>Tonality</local:tag>
nothing@0 81 </rdf:Description>
nothing@0 82 <rdf:Description rdf:about="NoteOnset">
nothing@0 83 <dc:description>note onset times</dc:description>
nothing@0 84 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 85 <local:tag>Rhythm</local:tag>
nothing@0 86 </rdf:Description>
nothing@0 87 <rdf:Description rdf:about="KeyStrength">
nothing@0 88 <dc:description>The probability distribution across possible keys</dc:description>
nothing@0 89 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 90 <local:tag>Tonality</local:tag>
nothing@0 91 </rdf:Description>
nothing@0 92 <rdf:Description rdf:about="Roughness">
nothing@0 93 <dc:description>The average dissonance between all pairs of peaks in the spectrum</dc:description>
nothing@0 94 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 95 <local:tag>Timbre</local:tag>
nothing@0 96 </rdf:Description>
nothing@0 97 <rdf:Description rdf:about="Pitch">
nothing@0 98 <dc:description>Pitch estimated via ACF, autocorrelation spectrum or cepstrum, or a combination</dc:description>
nothing@0 99 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 100 <local:tag>Pitch</local:tag>
nothing@0 101 </rdf:Description>
nothing@0 102 <rdf:Description rdf:about="LowEnergy">
nothing@0 103 <dc:description>percentage of frames showing less than average energy</dc:description>
nothing@0 104 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 105 <local:tag>Dynamics</local:tag>
nothing@0 106 </rdf:Description>
nothing@0 107 <rdf:Description rdf:about="BeatSpectrum">
nothing@0 108 <dc:description>a measure of acoustic self-similarity as a function of time lag, computed from the similarity matrix</dc:description>
nothing@0 109 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 110 <local:tag>Rhythm</local:tag>
nothing@0 111 </rdf:Description>
nothing@0 112 <rdf:Description rdf:about="EventDensity">
nothing@0 113 <dc:description>estimates the average frequency of events, i.e., the number of note onsets per second</dc:description>
nothing@0 114 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 115 <local:tag>Rhythm</local:tag>
nothing@0 116 </rdf:Description>
nothing@0 117 <rdf:Description rdf:about="PulseClarity">
nothing@0 118 <dc:description>estimates the rhythmic clarity, indicating the strength of the beats estimated by the tempo function</dc:description>
nothing@0 119 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 120 <local:tag>Rhythm</local:tag>
nothing@0 121 </rdf:Description>
nothing@0 122 <rdf:Description rdf:about="AttackLeap">
nothing@0 123 <dc:description>estimates the amplitude difference between the beginning and the end of the attack phase</dc:description>
nothing@0 124 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 125 <local:tag>Timbre</local:tag>
nothing@0 126 </rdf:Description>
nothing@0 127 <rdf:Description rdf:about="MIDI">
nothing@0 128 <dc:description>estimates MIDI note value based on segmentation and pitch detection</dc:description>
nothing@0 129 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 130 <local:tag>Pitch</local:tag>
nothing@0 131 </rdf:Description>
nothing@0 132 <rdf:Description rdf:about="KeySOM">
nothing@0 133 <dc:description>Projects the chromagram into a self-organizing map</dc:description>
nothing@0 134 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 135 <local:tag>Tonality</local:tag>
nothing@0 136 </rdf:Description>
nothing@0 137 <rdf:Description rdf:about="TonalCentroid">
nothing@0 138 <dc:description>Calculates the 6-dimensional tonal centroid vector from the chromagram</dc:description>
nothing@0 139 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 140 <local:tag>Tonality</local:tag>
nothing@0 141 </rdf:Description>
nothing@0 142 <rdf:Description rdf:about="HarmonicChangeDetectionFunction">
nothing@0 143 <dc:description>the flux of the tonal centroid</dc:description>
nothing@0 144 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 145 <local:tag>Tonality</local:tag>
nothing@0 146 </rdf:Description>
nothing@0 147 </rdf:RDF>
nothing@0 148
nothing@0 149