[chuck-users] UAna autoCorr, xCorr and ZeroX

fernando alonso lualobus at gmail.com
Mon Apr 29 08:54:05 EDT 2013


I don't understand you Stefan. In fact, the Wekinator's creator, that is
the father of UAna implements similar in her source code. I attach it.

2013/4/29 Stefan Blixt <stefan.blixt at gmail.com>

> 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 <lualobus at gmail.com>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 at gmail.com
>> http://roboticnaturalinteraction.com<http://www.roboticNaturalInteraction.com/famartin.html>
>>
>>
>> _______________________________________________
>> chuck-users mailing list
>> chuck-users at lists.cs.princeton.edu
>> https://lists.cs.princeton.edu/mailman/listinfo/chuck-users
>>
>>
>
>
> --
> Release me, insect, or I will destroy the Cosmos!
>
> _______________________________________________
> chuck-users mailing list
> chuck-users at lists.cs.princeton.edu
> https://lists.cs.princeton.edu/mailman/listinfo/chuck-users
>
>


-- 
Fernando Alonso Martín
Lualobus at gmail.com
http://roboticnaturalinteraction.com<http://www.roboticNaturalInteraction.com/famartin.html>
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.cs.princeton.edu/pipermail/chuck-users/attachments/20130429/f7655dea/attachment.htm>
-------------- next part --------------
A non-text attachment was scrubbed...
Name: AudioFeatureExtractor.ck
Type: application/octet-stream
Size: 2051 bytes
Desc: not available
URL: <http://lists.cs.princeton.edu/pipermail/chuck-users/attachments/20130429/f7655dea/attachment.obj>


More information about the chuck-users mailing list