[PD] iem vcf crashes feedback loop

Roman Haefeli reduzierer at yahoo.de
Sun Dec 7 15:47:34 CET 2008


On Sun, 2008-12-07 at 14:58 +0100, Damian Stewart wrote:
> Ed Kelly wrote:
> >> seems to be the combo of the iem filters with the [block~ 1] do you
> >> really need that small blocksize?
> > Yes, because if you set the delay by pitch as well as by time. But
> > you're right - [block~ 4] works fine up to MIDI 112 (5274Hz - easily
> > high enough for most people). I think it needed a power of 2 before it
> > would work.
> 
> i had a similar problem recently - but it turns out if you subpatch the
> delread~ and delwrite~ you can go right down to 1 sample delay even with a
> blocksize of 64. have a look at 3.audio.examples/G05.execution.order.pd in
> the help patches.


if, according to the thread title, this is about loops, the execution
order forcing doesn't help, since the feedback loop forces the execution
order to be first [delread~] and then [delwrite~]. you cannot go lower
than one block with looping.

roman



	
		
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