view rdfn3/af-CLAM.n3 @ 18:d5012016bf64 tip

added rdfpy and rdfonto directories

@prefix CLAM: <file:///Users/alo/MusicOntology/features/rdf/> .
@prefix dc: <http://purl.org/dc/elements/1.1/> .
@prefix local: <http://sovarr.c4dm.eecs.qmul.ac.uk/features/> .
@prefix rdfs: <http://www.w3.org/2000/01/rdf-schema#> .

CLAM:Decrease a rdfs:Resource ;
    dc:description "a measure of the amount of decrease in the signal energy" ;
    local:tag "Audio" .

CLAM:Energy a rdfs:Resource ;
    dc:description "the squared sum of audio samples amplitudes",
        "the squared sum of spectral power distribution values" ;
    local:tag "Audio",
        "Spectral" .

CLAM:GeometricMean a rdfs:Resource ;
    dc:description "the geometric mean for the spectral power values sequence" ;
    local:tag "Spectral" .

CLAM:HighFrequencyContent a rdfs:Resource ;
    dc:description "sum of the squared spectrum magnitude multiplied by the wave number of the bin" ;
    local:tag "Spectral" .

CLAM:LogAttackTime a rdfs:Resource ;
    dc:description "the base 10 logarithm of the rise time" ;
    local:tag "Audio" .

CLAM:LowFreqEnergyRelation a rdfs:Resource ;
    dc:description "the ratio between the energy over 0-100 Hz band and the whole spectrum energy" ;
    local:tag "Spectral" .

CLAM:MFCC a rdfs:Resource ;
    local:tag "Spectral" .

CLAM:MagnitudeKurtosis a rdfs:Resource ;
    local:tag "Spectral" .

CLAM:MagnitudeSkewness a rdfs:Resource ;
    local:tag "Spectral" .

CLAM:MaxMagFreq a rdfs:Resource ;
    dc:description "frequency of the maximum magnitude of the spectrum" ;
    local:tag "Spectral" .

CLAM:Mean a rdfs:Resource ;
    dc:description "the mean value of the absolute value of the audio samples amplitude" ;
    local:tag "Audio" .

CLAM:RiseTime a rdfs:Resource ;
    dc:description "the time duration between the signal reached 2% of it maximum value to the time it reaches 80% of its maximum value" ;
    local:tag "Audio" .

CLAM:Rolloff a rdfs:Resource ;
    dc:description "The spectral roll-off point is the frequency value so that the 85% of the spectral energy is contained below it" ;
    local:tag "Spectral" .

CLAM:SpectralCentroid a rdfs:Resource ;
    dc:description "the frequency where the center of mass of the spectral power distribution lies" ;
    local:tag "Spectral" .

CLAM:SpectralFlatness a rdfs:Resource ;
    local:tag "Spectral" .

CLAM:SpectralMean a rdfs:Resource ;
    dc:description "the spectral power mean value." ;
    local:tag "Spectral" .

CLAM:SpectralSlope a rdfs:Resource ;
    dc:description "the amount of decreasing of the spectral magnitude" ;
    local:tag "Spectral" .

CLAM:SpectralSpread a rdfs:Resource ;
    dc:description "the variation of the spectrum around its mean value." ;
    local:tag "Spectral" .

CLAM:TemporalCentroid a rdfs:Resource ;
    dc:description "time where signal energy is \"concentrated\"" ;
    local:tag "Audio" .

CLAM:Variance a rdfs:Resource ;
    dc:description "the variance of audio samples amplitude" ;
    local:tag "Audio" .

CLAM:ZeroCrossingRate a rdfs:Resource ;
    dc:description "a measure of the number of time the signal value cross the zero axe, averaged over the whole signal" ;
    local:tag "Audio" .