[PD] patch wanted: loop station

patrice colet colet.patrice at free.fr
Thu Mar 27 12:23:15 CET 2014

hello roman,

  there are several ways to sync audio loops, in most methods we try to 
read audio samples in a way that they are in sync by changing read speed 
or chunk size, or stretching it with fft, or by making slices with 
bonk~'s attack detection.

  The last methods allows to quantize sound by forcing a slice to be 
played on a timecode which is given by the size of the loop divided into 
sixteenthes, something like this, each slice could eventually be 
stretched to fit the timecode.

Le 27/03/2014 08:14, Roman Haefeli a écrit :
> On Thu, 2014-03-27 at 05:09 -0400, puredata at 11h11.com wrote:
>> Not sure exactly what is making the click / glitch in my patches. I
>> think the fact that I bring down the jack buffer to 64 didn't help...
>> but I cannot be sure.
>> I am still looking the archive / search engine to find a loop station
>> in pd, but so far I found only basic implementation (no sync, no
>> quantize, no cross-fade).
> I don't know the loop station. Can you elaborate a bit how quantize and
> sync work on? I think I understand how quantization works with MIDI, but
> with audio?
> Roman
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