[PD] How's Pd limited?

[Alexandre Torres Porres]

I had tested with count~ before and the result was clearly a one sample
delay, subtracting the output of count to a feedback line gave me the
result of 1.

I'll test it again later

2016-02-25 14:38 GMT-03:00 cyrille henry <ch at chnry.net>:

>
>
> Le 25/02/2016 18:09, Alexandre Torres Porres a écrit :
>
>>
>> 2016-02-25 13:57 GMT-03:00 martin brinkmann <mnb at martin-brinkmann.de
>> <mailto:mnb at martin-brinkmann.de>>:
>>
>>     if you want feedback in a complex patch,
>>     (like these virtual-virtual-modular-systems) the only thing
>>     you can do is to reblock everything to 1, which is not always possible
>>     (due to high cpu load, conflicting blocksizes, whatever).
>>
>>
>> This was addressed only to me, let me reply to the list.
>>
>> I never needed to do it in a super complex patch, but anyway, what you're
>> saying is not true. Here's how you can do it.
>>
>> Have your crazy complex patch running around all over the place.
>>
>> Now, for your feedback loop, you need to create a subpatch to "send it".
>>
>> Make it [pd fb_send]
>>
>> in it, create a short delay line, give it a cool name like $0-fb, use
>> [block~ 1].
>>
>> then, for your feedback receive, have another subpatch [pd fb_receive].
>> In it, use [delread~ $0-fb 0].
>>
>> voilá...
>>
>> check my self frequency modulating oscillator patch attached
>>
> your patch did not work with 1 sample delay.
> to test : remove the block~ 1 object, and the sound did not change.
>
> put everything in a subpatch, add a block~ 1 object, and the sound change
> (and get better)
>
> There are 2 problem in you patch :
> nothing force the writer to be computed before the reader. you can add a
> dummy audio connection between writer and reader to force execution order
> of the 2 subpatch.
> see miller exemple G05.
>
> But the main problem is that the osc run with 64 block size. there is no
> way to have less than 64 sample delay between osc frequency in and osc
> output.
>
>
> In order to have feedback in a very complex patch, you need to block~
> everything to 1.
>  cheers
> c
>
>
>> cheers
>>
>>
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