[PD] feedback stability..?
czhenry at gmail.com
Mon Sep 15 22:45:05 CEST 2008
What does blackbox~ do? Is it linear?
On Mon, Sep 15, 2008 at 3:18 PM, Damian Stewart <damian at frey.co.nz> wrote:
> hey pd,
> i'm trying to do feed forward in pd. i think i'm tired and not thinking
> this through...
> so, i have a [blackbox~] that does stuff to the audio. it uses feedback
> internally and is currently a bit unstable. can i make it more stable by
> going like this:
> [...] [r~ fb]
> | |
> | [*~ -0.1]
> | ______/
> | \
> | [s~ fb]
> is there some funky combination of delays i can achieve this? i get the
> feeling this only works in analog electronics because you can say that on
> some level everything happens at exactly the same time - the delays
> inherent in digital systems mean that this doesn't work...
> what alternative DSP techniques are there for damping unstable feedback loops?
> damian stewart | skype: damiansnz | damian at frey.co.nz
> frey | live art with machines | http://www.frey.co.nz
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