Re: [chuck-users] UAna autoCorr, xCorr and ZeroX

Hi Fernando! All the usages of =^ (disconnect operator) at the top of your code don't make sense. Maybe you want to replace all of those with => ? /Stefan On Mon, Apr 29, 2013 at 12:45 PM, fernando alonso wrote:

Hi users,

I am writting a program to extract audio features but the autoCorr, xCorr always give me a 0 value. ZeroX always give me 0.5 value.

This is a brief of the source code:

//Definitions for features extraction

adc => FFT fft =^ RMS rms => blackhole;

fft =^ RollOff rolloff => blackhole;

fft =^ Centroid centroid => blackhole;

fft =^ Flux flux => blackhole;

fft =^ ZeroX zerox => blackhole;

adc => AutoCorr autoCorr => blackhole;

fft =^ XCorr xCorr => blackhole;

//Feauture extraction

fft.upchuck() @=> UAnaBlob blobFFT;

rms.upchuck() @=> UAnaBlob blobRMS;

(blobRMS.fval(0) * 100000) => volumenInst;

rolloff.upchuck() @=> UAnaBlob blobRollOff;

(blobRollOff.fval(0)*srate )/2 => rollOffInst ;

centroid.upchuck() @=> UAnaBlob blobCentroid;

(blobCentroid.fval(0)*srate)/2=> centroideInst;

flux.upchuck() @=> UAnaBlob blobFlux;

blobFlux.fval(0) => similitudInst;

zerox.upchuck() @=> UAnaBlob blobZeroX;

blobZeroX.fval(0) => zeroXInst; ///<-----------

xCorr.upchuck() @=> UAnaBlob blobxCorr;

blobxCorr.fval(0) => correlacionCruzadaInst; ///<-----------

autoCorr.upchuck() @=> UAnaBlob blobAutocorrelacion;

blobAutocorrelacion.fval(0) => autocorrelacionInst; ///<-----------

Kindy Regards.

-- Fernando Alonso Martín Lualobus@gmail.com http://roboticnaturalinteraction.comhttp://www.roboticNaturalInteraction.com/famartin.html

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