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

added rdfpy and rdfonto directories

@prefix MIRToolbox: <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#> .

MIRToolbox:Attack a rdfs:Resource ;
    dc:description "estimates the beginning of the attack phase of a note by locating the local minimum before the maximum corresponding to the onset" ;
    local:tag "Timbre" ;
    rdfs:comment "These can have start time *and end time*" .

MIRToolbox:AttackLeap a rdfs:Resource ;
    dc:description "estimates the amplitude difference between the beginning and the end of the attack phase" ;
    local:tag "Timbre" .

MIRToolbox:AttackSlope a rdfs:Resource ;
    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" ;
    local:tag "Timbre" .

MIRToolbox:BeatSpectrum a rdfs:Resource ;
    dc:description "a measure of acoustic self-similarity as a function of time lag, computed from the similarity matrix" ;
    local:tag "Rhythm" .

MIRToolbox:Brightness a rdfs:Resource ;
    dc:description "The proportion of energy above a given frequency" ;
    local:tag "Timbre" .

MIRToolbox:Chromagram a rdfs:Resource ;
    dc:description "shows the distribution of energy along the pitches or pitch classes" ;
    local:tag "Tonality" .

MIRToolbox:EventDensity a rdfs:Resource ;
    dc:description "estimates the average frequency of events, i.e., the number of note onsets per second" ;
    local:tag "Rhythm" .

MIRToolbox:HarmonicChangeDetectionFunction a rdfs:Resource ;
    dc:description "the flux of the tonal centroid" ;
    local:tag "Tonality" .

MIRToolbox:Inharmonicity a rdfs:Resource ;
    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" ;
    local:tag "Pitch" .

MIRToolbox:Irregularity a rdfs:Resource ;
    dc:description "The degree of variation of the successive peaks of the spectrum" ;
    local:tag "Timbre" .

MIRToolbox:Key a rdfs:Resource ;
    dc:description "The best candidate key" ;
    local:tag "Tonality" .

MIRToolbox:KeySOM a rdfs:Resource ;
    dc:description "Projects the chromagram into a self-organizing map" ;
    local:tag "Tonality" .

MIRToolbox:KeyStrength a rdfs:Resource ;
    dc:description "The probability distribution across possible keys" ;
    local:tag "Tonality" .

MIRToolbox:LowEnergy a rdfs:Resource ;
    dc:description "percentage of frames showing less than average energy" ;
    local:tag "Dynamics" .

MIRToolbox:MFCC a rdfs:Resource ;
    local:tag "Timbre" .

MIRToolbox:MIDI a rdfs:Resource ;
    dc:description "estimates MIDI note value based on segmentation and pitch detection" ;
    local:tag "Pitch" .

MIRToolbox:Mode a rdfs:Resource ;
    dc:description "Major vs. Minor, calculated as the strength difference between the best major and best minor key candidates" ;
    local:tag "Tonality" .

MIRToolbox:NoteOnset a rdfs:Resource ;
    dc:description "note onset times" ;
    local:tag "Rhythm" .

MIRToolbox:Pitch a rdfs:Resource ;
    dc:description "Pitch estimated via ACF, autocorrelation spectrum or cepstrum, or a combination" ;
    local:tag "Pitch" .

MIRToolbox:PulseClarity a rdfs:Resource ;
    dc:description "estimates the rhythmic clarity, indicating the strength of the beats estimated by the tempo function" ;
    local:tag "Rhythm" .

MIRToolbox:RMSEnergy a rdfs:Resource ;
    dc:description "root mean square energy" ;
    local:tag "Dynamics" .

MIRToolbox:RhythmicFluctuation a rdfs:Resource ;
    dc:description "Rhythmic periodicity along auditory channels" ;
    local:tag "Rhythm" .

MIRToolbox:Rolloff a rdfs:Resource ;
    dc:description "The frequency below which 85% of the energy is contained. The percentage may be user-chosen" ;
    local:tag "Timbre" .

MIRToolbox:Roughness a rdfs:Resource ;
    dc:description "The average dissonance between all pairs of peaks in the spectrum" ;
    local:tag "Timbre" .

MIRToolbox:SpectralFluxOnsetDetectionFunction a rdfs:Resource ;
    dc:description "Use peaks of spectral flux to detect onsets" ;
    local:tag "Rhythm" .

MIRToolbox:Tempo a rdfs:Resource ;
    dc:description "derived from calculated onsets with ACF, spectrum or both" ;
    local:tag "Rhythm" .

MIRToolbox:TonalCentroid a rdfs:Resource ;
    dc:description "Calculates the 6-dimensional tonal centroid vector from the chromagram" ;
    local:tag "Tonality" .

MIRToolbox:ZeroCrossingRate a rdfs:Resource ;
    local:tag "Timbre" .