[PD] Correct way to precess an audio stream

Alessio Degani alessio.degani at ymail.com
Tue Jan 20 14:31:50 CET 2015

On 20/01/2015 13:00, IOhannes m zmölnig wrote:
> On 01/20/2015 10:21 AM, Alessio Degani wrote:
>> Now... another question is coming up. Your output is 64 or 128 samples?
>> If 128, Pd will use the overlap-add policy (second half of the previous
>> ouput buffer + first half of the actual)? If so, the programmer of the
>> external needs to know how to deal with that!
> the signal specs are fixed with a canvas.
> that is: ALL signals in your subpatch will have a size of 128 samples
> and an overlap factor of 2.
> if you only consider a single object with one input and one output, this
> means that both input and output will have the same length and overlap
> factor and samplerate.
> overlap-adding is applied at the patch boundaries (e.g. the [outlet~] of
> your subpatch to the parent patch running at the nominal specs [block~
> 64 1].
> mgfrdsa
> IOhannes
Thanks IOhannes! Do you know any on-line resources where I can read 
about how PD engine works at low level?
This things are "hidden" to the PD users :)



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