[PD] audio gets "scratchy"

[Josh Steiner]

please always tells us about your setup.  (we should have a "bug report 
submital" form on the website tyhat has these questions)

what os?
what version of pd?
what sound driver?
what settings on your sound driver?

i get "scratchy" sound when my cpu pegs (i have a nasty bug in my 
performance setup which causes cpu pegging sometimes, i havnt been able 
to track it down yet and its driving me bonkers)

David Merrill wrote:

> Hi there - has anyone had the problem with PD where the audio gets 
> "scratchy" after a while? I am using tabread4~ to read samples out of 
> arrays, and sequencing this with OSC. From there, I run the audio 
> through some effects (vcf~, a tremolo and ring-modulator that I built, 
> a pitch-shifter, etc..) It seems like after a minute or so, the audio 
> starts getting really grainy and broken up. Even when I re-route the 
> signal *around* all of the effects, it remains deteriorated until I 
> restart PD. At first I thought that maybe I was messing things up by 
> throw~ ing too many signals at the same time onto a summing bus, and 
> it was clipping, but I've since fixed that problem. Any ideas about 
> what might be causing this, and how I could fix?
> much appreciated,
> David Merrill
>
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