[chuck-users] Get audio samples of adc

fernando alonso lualobus at gmail.com
Fri Jun 7 12:05:40 EDT 2013


Thanks for the fast reply. I have write this code:


fun int[] discreteHaarWaveletTransform( int input[]){
    int sum, difference,length,i;
    int  output[input.cap()];


    for ( (input.cap() >> 1) => length ; true ;  (length >> 1) => length) {
        for (0 => i; i < length; ++i) {
            input[i * 2] + input[i * 2 + 1] => sum;
            input[i * 2] - input[i * 2 + 1] => difference;
            sum => output[i] ;
            difference => output[length + i];
        }
        if (length == 1) {
            return output;
        }

        //Swap arrays to do next iteration
        for (0=>i; i < (length<<1); i++){
            output[i] => input[i];
        }
    }
}




For this reason I need the int input [] array relating to adc input
samples.  I need to extract the "raw" values of the input (without
FFT). I have test with something like that:

adc.chan(0) => UGen inputMic;


Thanks for the help!





2013/6/7 Aurélien Bondis <abondis at kerunix.com>:
> Hi,
> I don't know what a wavelet transform is, but can't 'adc =>' work ? or
> 'LiSa' do what you need?
> (http://chuck.cs.princeton.edu/doc/program/ugen_full.html#LiSa)
> Sorry if I did not understand the question...
> Aurélien.
>
> On Fri, 07 Jun 2013, fernando alonso wrote:
>
>> Hi,
>>
>> I want to program de Wavelet Transform, and for it I need to get the
>> audio samples. Do you know some way to get the audio samples?
>>
>>
>> Thanks.
>>
>> --
>> Fernando Alonso Martín
>> Lualobus at gmail.com
>> http://roboticnaturalinteraction.com
>> _______________________________________________
>> chuck-users mailing list
>> chuck-users at lists.cs.princeton.edu
>> https://lists.cs.princeton.edu/mailman/listinfo/chuck-users
> _______________________________________________
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-- 
Fernando Alonso Martín
Lualobus at gmail.com
http://roboticnaturalinteraction.com


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