On Thu Jan 04, 2007 at 06:39:45PM -0500, patrick wrote:
> hi,
> 
> here's a patch that use switch~ to turn off/on an effect. using switch~ will 
> save some cpu when the effect is turn off right? so that is good, but the 
> thing is i have a glitch when switching...

06:29         c how do you keep the voices from using CPU when not in use? turn 
off their abstractions with block~ ? doesnt that cause a dropout as the dsp 
graph is resorted?
06:29    tim167 c: [switch~]
06:29         c yeah that
06:30         c nothing like pushing core deficiencies up into user level hacks
06:30         c i remeber rigging up a polysynth using switch, and it woul get 
blips, it hink
06:30 ClaudiusM c: i think switch~ just turns off processing for that 
abstraction, meaning the input buffers still get filled, the outlet buffers 
still get read, but nothing gets changed
06:31 ClaudiusM c: which means you have to have zero for a whole block before 
switching off or you get high pitched noise...
06:32 ClaudiusM c: .. on the other hand no dsp chain sorting issues   (NB: i 
could be talking out of my arse, i just absorb from pd-list and pd-dev, i 
haven't read the source)


so uh... try zeroing the DSP block, or leaving a block of headroom? or is it 
causing everything else to glitch too. if thats the case, you probably can't 
avoid it

> a way to avoid this?



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