[dsp] IIR Filter design software?

[John Coppens]

On Sat, 04 Sep 2004 02:14:24 -0300
"Mark" <mark at cpovo.net> wrote:

> 
> 	Hi,
> 
> 	I'm looking for a free IIR filter design program that can give me 
> the filter frequency response based just on the sample rate and the 
> filter coefficients.
> 
> 	Any recommendations?
> 
> 	Thanks.
> 	Mark Jordan - PY3SS

Hello Marcus

http://www.watri.org.au/~ajh/libfilth/

Scilab is (free) Mathlab-like program for Linux that can analyse IIR and
FIR filters. http://scilabsoft.inria.fr/

http://linux.tucows.com/preview/174706.html  (dsp-sim)

http://ptolemy.eecs.berkeley.edu/xpole.html

http://www.orocos.org/index.php (has a module for FIR/IIR analysis)

Mathlab has a module to analyze IIRs

John