Mike Moser-Booth has a whole library with abstractions which include [filtercoeff~] and [filtergraph~]. You can get it if you go to Pd's forum (puredata.hurleur.com) and check any post by Maelstrom (he's an administrator there). He's got a link to his library as a post signature.


On Sun, Sep 1, 2013 at 7:44 PM, José Rafael Subía Valdez <jsubiavaldez@gmail.com> wrote:
there was this object..

http://puredata.info/downloads/filterview

I don't know in what state it is, but it sure promised a great leep in PD gui objects. 

cheers


On Sun, Sep 1, 2013 at 11:14 AM, Alexandre Torres Porres <porres@gmail.com> wrote:
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 whatsoever...

Cheers

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Lic. José Rafael Subía Valdez

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