Checkout [e_beequad] & [u_lowpass], [u_highpass1], [u_bandpass], etc in rjlib  The [u_lowpass] etc objects calculate the given coefficients for biquad from the desired frequency and bandwidth ...

On Sep 24, 2013, at 3:48 AM, pd-list-request@iem.at wrote:

From: Alexandre Torres Porres <porres@gmail.com>
Subject: Re: [PD] from poles/zeros to biquad coefficients - how to? (something like max's z-plane)
Date: September 24, 2013 12:36:27 AM CDT
To: Funs Seelen <funsseelen@gmail.com>
Cc: pd-lista puredata <pd-list@iem.at>


for what i see, it's not some sort of straight formula, right? seems a bit more complicated than that. 

cheers

--------
Dan Wilcox
@danomatika