[PD] filtercoeff~ / filtergraph~ in Pd?

Alexandre Torres Porres porres at gmail.com
Sun Sep 1 18:14:38 CEST 2013

Hi there, now that someone gave me a Max license and I'm translating some
patches to Pd, I guess I'm gonna start bugging you guys a lot asking for
equivalent objects in Pd ;)

And here I ask about [filtercoeff~] and [filtergraph~]...

Based on filtergraph~, filtercoef~ calculates filter coefficient for the
biquad~ object from frequency, amp & Q.

They seem to make it really easier and friendlier to use the [biquad~]
object. Maybe this could be worked out as some abstraction, maybe someone
already has. The math just blows me away and I have completely no idea

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