[PD] Wave Shaping
Frank Barknecht
fbar at footils.org
Fri Feb 4 21:11:59 CET 2005
Hallo,
Phillip Stearns hat gesagt: // Phillip Stearns wrote:
> Which is a less processor intensive method of wave shaping: using
> writing an equation once to a table and modulating tabread4~ with an
> incoming signal or running that signal through the expr~ (the
> exquation I'm using is [epxr~ $v1-($v1*$v2) + if($v1<=0, -pow(-$v1,
> 0.15), pow($v1, 0.15))*$v2] Where $v1 is the incoming audio signal
> and $v2 is value from 0 to 1. I have had success using expr~ but
> have a suspicion that tabread4~ might be a little less processor
> hungry. Anyone have any clue?
I would guess, that tabread4~ indeed is faster here, but I didn't do
any benchmarking, which should be easy to do with an abstraction for
each approach and copying it a lot of times using Pd's internal
messages like in: [until 100]---[; pd-subpatch 10 10 my_test_abstraction(
Ciao
--
Frank Barknecht _ ______footils.org__
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