[PD] delay with feedback and clipping

julien.breval at tremplin-utc.net julien.breval at tremplin-utc.net
Fri May 21 16:30:22 CEST 2004


Selon pix <pix at test.at>:

> assuming you still want to keep all of the properties of the effect
> except for the clipping, simply start with a quieter sample. this will
> give you more "headroom" for the inevitable amplification that will come
> from a high feedback short delay.

that's a good solution
but I forgot to say this will be done in realtime with an instrumentist, so 
maybe it's difficult to control this ... the only thing I can do is to decrease 
the microphone input level at these moments 


> On Fri, May 21, 2004 at 03:39:01PM +0200, julien.breval at tremplin-utc.net
> wrote:
> > Hello
> > 
> > A common delay problem. Suppose you have a note that lasts about one
> second, 
> > and you are processing it into a delay with feedback. 
> > The problems come when you use short delay times (about 50-100 ms) with a
> high 
> > feedback (about 80-90 %). As the note is superposed (mixed) lots of times,
> it 
> > produces classic digital clip distorsion [And actually, even if you repeat
> only 
> > one time the note, if the delay time is shorter than the duration of the
> note, 
> > you may get distorsion as well]. 
> > Is there a common method for controlling the occurence of this clipping 
> > (besides using [clip~]), or do I just have to tune the values empirically
> ?
> > 
> > 
> > thanks,
> > 
> > -j
> > 
> > 
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