On Thu, Feb 02, 2012 at 03:32:00AM +0000, Ed Kelly wrote: > Here is my first attempt at making a resonant lowpass filter using cpole~ and > czero~ objects. It's the first version I've made which actually sounds > halfway towards what I want to achieve, which is a decent diode-ladder or > transistor-ladder filter emulation. I want to make this using only vanilla > objects, particularly rpole~, cpole~ etc. so that they can be ultra-portable > and signal-controlled. Also, > http://www.timstinchcombe.co.uk/index.php?pge=poles#diode > > > Does anyone else have any ideas, or patches we can share?
Most filters in the rj library (https://github.com/rjdj/rjlib) use a similar approach. They even include a biquad-clone written with elementary filters. Some are modelled after the classic reson-filters used since CSound times. Ciao -- Frank Barknecht Do You RjDj.me? _ ______footils.org__ _______________________________________________ [email protected] mailing list UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
