[PD] DTMF recognition / Goertzel algorithm in Pd?

Alexandre Torres Porres porres at gmail.com
Mon Dec 10 01:17:34 CET 2012

Well, actually he pointed the algorithm to me, as if he needed it, but
checking what it is, seems like a more efficient FFT, suited for small
processors, and he doesn't seem to need that. Maybe TimbreID is good for
the job.

Anyway, there's a C code in this wikipedia, anyone curious could make an
external :-)


2012/12/9 Alexandre Torres Porres <porres at gmail.com>

> Hi there, a friend is looking for a way to do DTMF recognition in Pd. I
> know there is this Goertzel algorithm <
> http://en.wikipedia.org/wiki/Goertzel_algorithm> and I wonder if anyone
> has already implemented something about it in PD.
> Maybe some other option?
> thanks
> Alex
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