[PD] Building a compressor in PD?
reduzierer at yahoo.de
Wed Nov 28 02:16:11 CET 2007
On Wed, 2007-11-28 at 02:57 +0200, Chuckk Hubbard wrote:
> On Nov 28, 2007 2:08 AM, Vreahli the Audio Bandit <vreahli at gmail.com> wrote:
> > Heya - I'm just curious - is it even possible to build a compressor in PD
> > without coding it in C? The only way I can think of getting the overall
> > loudness of a signal is by checking audio rate stuff - which won't work with
> > control rate values. Just a curiosity. :)
> [env~] gives such a level at control rate.
> It's also possible to re-block~ a subpatch to 1, calculate whatever
> average or level you like there, and pass it out; then [bang~] in the
> containing patch will grab a value from it once per block.
> It wouldn't be hard to have an audio-rate rms or peak calculator, then
> use [bang~] and [snapshot~] to read it, if [env~] isn't good enough
> for you.
if you want to measure each sample, why converting the signal to
messages then? why not staying in the audio domain? (staying in the
audio domain is actually what [rcomp] does).
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