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The SFA-MaxLib is a collection of Max/MSP objects developed in the context of the VCI4DMI. It includes functions and utilities in the form of FTM externals, FTM abstractions and Max abstractions. FTM is a shared library for Max/MSP developed by IRCAM, which provides a small and simple real-time object system and a set of optimized services to be used within Max/MSP externals.
List of FTM Externals: sfa.eig - eigenvalues; sfa.inputcombinations - combination generator; sfa.levinson - levinson-durbin recursion; sfa.lpc2cep - lpc to cepstra conversion; sfa.rastafilt - rasta filter; sfa.rmd - relative mean difference; sfa.roots - polynomial roots;
List of Abstractions: sfa.bark.maxpat - energy of the Bark bands from time domain frame;sfa.bark2hz_vect.maxpat - Herts to Bark conversion;sfa.barkspect.maxpat - energy of the Bark bands from spectrum; sfa.ceil.maxpat - ceil function; sfa.featfluxgate.maxpat - gated distance on stream of feature vectors; sfa.fft2barkmx.maxpat - utility sub-abstraction of sfa.bark; sfa.fft2barkmxN.maxpat - utility sub-abstraction of sfa.barkspect; sfa.hynek_eq_coeff.maxpat - hynek equalization coefficients; sfa.hz2bark.maxpat - Hertz to Bark conversion; sfa.hz2bark_vect.maxpat - Hertz to Bark conversion for vectors; sfa.hz2mel.maxpat - Hertz to Mel conversion; sfa.idft_real_coeff.maxpat - utility sub-abstraction of sfa.rasta-plp; sfa.maxminmem.maxpat - minimum and maximum of a stream of data; sfa.mfcc.maxpat - MFCC coefficients; sfa.modalphafilter.maxpat - 1st order IIR lowpass on a stream of vectors; sfa.nonlinfeqscale.maxpat - linear spectrum to Bark or Mel scale conversion; sfa.rasta-plp.maxpat - PLP and RASTA-PLP coefficients; sfa.spectmoments.maxpat - 4 spectral moments (centroid, deviation, skewness, kurtosis); sfa.3spectmoments+flatness.maxpat - 3 spectral moments (centroid, deviation, skewness) and the spectral flatness; sfa.spectralflux.maxpat - spectral flux on stream of spectrum vectors; sfa.spectralfluxgate.maxpat - gated spectral flux on stream of spectrum vectors; sfa.std.maxpat - standard deviation; sfa.win_to_fft_size.maxpat - smaller FFT size given frame size; sfa.GCemulator.maxpat – 3D gestural controller emulator; |
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sfa.3spectmoments+flatness.maxpat
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External |
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"3 spectral moments (centroid, deviation, skewness) and the spectral flatness Abstraction"
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sfa.bark.maxpat
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External |
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energy of the Bark bands from time domain frame Abstraction
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sfa.bark2hz_vect.maxpat
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External |
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Herts to Bark conversion Abstraction
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sfa.barkspect.maxpat
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External |
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energy of the Bark bands from spectrum Abstraction
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sfa.ceil.maxpat
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External |
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ceil function Abstraction
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sfa.eig
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External |
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eigenvalues FTM External
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sfa.featfluxgate.maxpat
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External |
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gated distance on stream of feature vectors Abstraction
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sfa.fft2barkmx.maxpat
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External |
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utility sub-abstraction of sfa.bark Abstraction
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sfa.fft2barkmxN.maxpat
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External |
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utility sub-abstraction of sfa.barkspect Abstraction
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sfa.GCemulator.maxpat
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External |
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3D gestural controller emulator Abstraction
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sfa.hynek_eq_coeff.maxpat
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External |
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hynek equalization coefficients Abstraction
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sfa.hz2bark.maxpat
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External |
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Hertz to Bark conversion Abstraction
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sfa.hz2bark_vect.maxpat
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External |
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Hertz to Bark conversion for vectors Abstraction
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sfa.hz2mel.maxpat
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External |
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Hertz to Mel conversion Abstraction
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sfa.idft_real_coeff.maxpat
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External |
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utility sub-abstraction of sfa.rasta-plp Abstraction
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sfa.inputcombinations
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External |
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combination generator FTM External
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sfa.levinson
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External |
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levinson-durbin recursion FTM External
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sfa.lpc2cep
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External |
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lpc to cepstra conversion FTM External
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sfa.maxminmem.maxpat
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External |
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minimum and maximum of a stream of data Abstraction
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sfa.mfcc.maxpat
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External |
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MFCC coefficients Abstraction
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sfa.modalphafilter.maxpat
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External |
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1st order IIR lowpass on a stream of vectors Abstraction
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sfa.nonlinfeqscale.maxpat
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External |
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linear spectrum to Bark or Mel scale conversion Abstraction
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sfa.rasta-plp.maxpat
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External |
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PLP and RASTA-PLP coefficients Abstraction
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sfa.rastafilt
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External |
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rasta filter FTM External
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sfa.rmd
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External |
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relative mean difference FTM External
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