[music-dsp] Design of IIR Filters

[Nigel Redmon]

There are a few things up on my site on filters (they are essential 
sidebars to a larger article I wrote a year ago, but just haven't had 
the time to finish and put it up). Take a look at the bilinear 
transform, as it's a nice thing to understand, and there's a pole/zero 
placement applet to play with:

http://www.earlevel.com/Digital%20Audio/FilterIndex.html



On Jan 8, 2004, at 1:07 PM, David Ross wrote:

> Hi Al,
>
> Thanks for your help. I have downloaded QE DEsign demo and am 
> currently having fun playing with poles and zeros, its amazing what 
> they do when you think about it :-) Cheers for the advice about the 
> books too,
>
> David