[PD] basic resonant filters in Pd

brandon zeeb zeeb.brandon at gmail.com
Mon May 18 03:45:13 CEST 2009


Hey,

I've implemented the same coefficients as the ggee [lowpass] external in Pd,
and can't seem to figure out where my calculations are off.  The
calculations are in the [pd lowpass] sub patch.

Any ideas?
~Brandon

On Sun, May 17, 2009 at 2:43 PM, Frank Barknecht <fbar at footils.org> wrote:

> Hallo,
> brandon zeeb hat gesagt: // brandon zeeb wrote:
>
> > Good call!  I explored the GGEE objects in Pd-extended, which led me to
> > their source code (A+ for readability),  which led me to this:
> > http://www.musicdsp.org/files/Audio-EQ-Cookbook.txt
>
> The filter objects in the rjdj-lib just do these calulations as pd-vanilla
> abstractions (no stability checks)
>
> Ciao
> --
> Frank
>
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