annotate rdf/af-Yaafe.rdf @ 18:d5012016bf64 tip

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:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#"
nothing@0 5 >
nothing@0 6 <rdf:Description rdf:about="Envelope">
nothing@0 7 <dc:description>Extract amplitude envelope using hilbert transform, low-pass filtering and decimation.</dc:description>
nothing@0 8 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 9 </rdf:Description>
nothing@0 10 <rdf:Description rdf:about="SpectralShapeStatistics">
nothing@0 11 <dc:description>Compute shape statistics of :class:MagnitudeSpectrum, (see [GR2004]_).</dc:description>
nothing@0 12 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 13 </rdf:Description>
nothing@0 14 <rdf:Description rdf:about="Cepstrum">
nothing@0 15 <dc:description>Feature transform that compute cepstrum coefficients of input feature frames. (use DCT II)</dc:description>
nothing@0 16 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 17 </rdf:Description>
nothing@0 18 <rdf:Description rdf:about="Energy">
nothing@0 19 <dc:description>Compute energy as root mean square of an audio Frame.</dc:description>
nothing@0 20 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 21 </rdf:Description>
nothing@0 22 <rdf:Description rdf:about="SpectralVariation">
nothing@0 23 <dc:description>SpectralVariation is the normalized correlation of :class:spectrum MagnitudeSpectrum between consecutive frames. (see [GP2004]_)</dc:description>
nothing@0 24 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 25 </rdf:Description>
nothing@0 26 <rdf:Description rdf:about="SpectralSlope">
nothing@0 27 <dc:description>SpectralSlope is computed by linear regression of the spectral amplitude. (see [GP2004]_)</dc:description>
nothing@0 28 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 29 </rdf:Description>
nothing@0 30 <rdf:Description rdf:about="ComplexDomainOnsetDetection">
nothing@0 31 <dc:description>Compute onset detection using a complex domain spectral flux method [CD2003]_.</dc:description>
nothing@0 32 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 33 </rdf:Description>
nothing@0 34 <rdf:Description rdf:about="TemporalShapeStatistics">
nothing@0 35 <dc:description>Compute :ref:shape statistics shapestatistics of signal frames.</dc:description>
nothing@0 36 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 37 </rdf:Description>
nothing@0 38 <rdf:Description rdf:about="AutoCorrelation">
nothing@0 39 <dc:description>Compute autocorrelation coefficients *ac* on each frames.</dc:description>
nothing@0 40 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 41 </rdf:Description>
nothing@0 42 <rdf:Description rdf:about="Loudness">
nothing@0 43 <dc:description>The loudness coefficients are the energy in each Bark band, normalized by the overall sum. see [GP2004]_ and [MG1997]_ for more details.</dc:description>
nothing@0 44 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 45 </rdf:Description>
nothing@0 46 <rdf:Description rdf:about="MagnitudeSpectrum">
nothing@0 47 <dc:description>Compute frame's magnitude spectrum, using an analysis window (Hanning or Hamming), or not.</dc:description>
nothing@0 48 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 49 </rdf:Description>
nothing@0 50 <rdf:Description rdf:about="AutoCorrelationPeaksIntegrator">
nothing@0 51 <dc:description>Feature transform that compute peaks of the autocorrelation function, outputs peaks and amplitude.</dc:description>
nothing@0 52 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 53 </rdf:Description>
nothing@0 54 <rdf:Description rdf:about="SpectralRolloff">
nothing@0 55 <dc:description>Spectral roll-off is the frequency so that 99% of the energy is contained below. see [SS1997]_.</dc:description>
nothing@0 56 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 57 </rdf:Description>
nothing@0 58 <rdf:Description rdf:about="PerceptualSharpness">
nothing@0 59 <dc:description>Compute the sharpness of :class:Loudness coefficients, according to [GP2004]_.</dc:description>
nothing@0 60 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 61 </rdf:Description>
nothing@0 62 <rdf:Description rdf:about="SpectralFlatnessPerBand">
nothing@0 63 <dc:description>Compute spectral flatness per log-spaced band of 1/4 octave, as proposed in MPEG7 standard.</dc:description>
nothing@0 64 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 65 </rdf:Description>
nothing@0 66 <rdf:Description rdf:about="StatisticalIntegrator">
nothing@0 67 <dc:description>Feature transform that compute the temporal mean and variance of input feature over the given number of frames.</dc:description>
nothing@0 68 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 69 </rdf:Description>
nothing@0 70 <rdf:Description rdf:about="ZCR">
nothing@0 71 <dc:description>Compute zero-crossing rate in frames. see [SS1997]_.</dc:description>
nothing@0 72 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 73 </rdf:Description>
nothing@0 74 <rdf:Description rdf:about="PerceptualSpread">
nothing@0 75 <dc:description>Compute the spread of :class:Loudness coefficients, according to [GP2004]_.</dc:description>
nothing@0 76 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 77 </rdf:Description>
nothing@0 78 <rdf:Description rdf:about="Derivate">
nothing@0 79 <dc:description>Compute temporal derivative of input feature. The derivative is approximated by</dc:description>
nothing@0 80 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 81 </rdf:Description>
nothing@0 82 <rdf:Description rdf:about="SpectralDecrease">
nothing@0 83 <dc:description>Compute spectral decrease accoding to [GP2004]_.</dc:description>
nothing@0 84 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 85 </rdf:Description>
nothing@0 86 <rdf:Description rdf:about="OBSIR">
nothing@0 87 <dc:description>Compute log of :class:OBSI ratio between consecutive octave.</dc:description>
nothing@0 88 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 89 </rdf:Description>
nothing@0 90 <rdf:Description rdf:about="LSF">
nothing@0 91 <dc:description>Compute the Line Spectral Frequency (LSF) coefficients of a signal frame. Algorithm was adapted from ([TB2006]_, [SH1976]_).</dc:description>
nothing@0 92 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 93 </rdf:Description>
nothing@0 94 <rdf:Description rdf:about="OBSI">
nothing@0 95 <dc:description>Compute Octave band signal intensity using a trigular octave filter bank ([SE2005]_).</dc:description>
nothing@0 96 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 97 </rdf:Description>
nothing@0 98 <rdf:Description rdf:about="LPC">
nothing@0 99 <dc:description>Compute the Linear Predictor Coefficients (LPC) of a signal frame. It uses autocorrelation and Levinson-Durbin algorithm. see [JM1975]_.</dc:description>
nothing@0 100 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 101 </rdf:Description>
nothing@0 102 <rdf:Description rdf:about="SlopeIntegrator">
nothing@0 103 <dc:description>Feature transform that compute the slope of input feature over the given number of frames.</dc:description>
nothing@0 104 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 105 </rdf:Description>
nothing@0 106 <rdf:Description rdf:about="EnvelopeShapeStatistics">
nothing@0 107 <dc:description>Centroid, spread, skewness and kurtosis of each frame's amplitude envelope. For more details about moments, see :ref:Shape Statistics shapestatistics.</dc:description>
nothing@0 108 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 109 </rdf:Description>
nothing@0 110 <rdf:Description rdf:about="SpectralCrestFactorPerBand">
nothing@0 111 <dc:description>Compute spectral crest factor per log-spaced band of 1/4 octave.</dc:description>
nothing@0 112 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 113 </rdf:Description>
nothing@0 114 <rdf:Description rdf:about="MFCC">
nothing@0 115 <dc:description>Compute the Mel-frequencies cepstrum coefficients [DM1980]_.</dc:description>
nothing@0 116 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 117 </rdf:Description>
nothing@0 118 <rdf:Description rdf:about="MelSpectrum">
nothing@0 119 <dc:description>Compute the Mel-frequencies spectrum [DM1980]_.</dc:description>
nothing@0 120 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 121 </rdf:Description>
nothing@0 122 <rdf:Description rdf:about="SpectralFlatness">
nothing@0 123 <dc:description>Compute global spectral flatness using the ratio between geometric and arithmetic mean.</dc:description>
nothing@0 124 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 125 </rdf:Description>
nothing@0 126 <rdf:Description rdf:about="AmplitudeModulation">
nothing@0 127 <dc:description>Tremelo and Grain description, according to [SE2005]_ and [AE2001]_.</dc:description>
nothing@0 128 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 129 </rdf:Description>
nothing@0 130 <rdf:Description rdf:about="Frames">
nothing@0 131 <dc:description>Segment input signal into frames.</dc:description>
nothing@0 132 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 133 </rdf:Description>
nothing@0 134 <rdf:Description rdf:about="SpectralFlux">
nothing@0 135 <dc:description>Compute flux of :class:spectrum MagnitudeSpectrum between consecutives frames.</dc:description>
nothing@0 136 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 137 </rdf:Description>
nothing@0 138 <rdf:Description rdf:about="HistogramIntegrator">
nothing@0 139 <dc:description>Feature transform that compute histogram of input values</dc:description>
nothing@0 140 <rdf:type rdf:resource="http://www.w3.org/2000/01/rdf-schema#Resource"/>
nothing@0 141 </rdf:Description>
nothing@0 142 </rdf:RDF>