hi, this curtis filter seems to be just one amongst millions of analog filters. It's just a resonant lowpass. There are countless analog ones and you can't really make a perfect digital clone of an analog filter. Having said that, there are many resonant lowpass filters in pd (extended).

Try [lores~], [moog~], [resofilt~], [svf~] and [lowpass] into biquad, for example.

There's a [bob~] filter in the latest vanilla as well.

some of this are 4 pole filters and other are 2 pole - the curtis one can be set to 2 or 4 poles. By the way, two filters in series that are 2 pole make a 4 pole filter.

cheers

2015-05-20 15:21 GMT-03:00 Pagano, Patrick pat@digitalworlds.ufl.edu:

I am looking for a nice version of the Curtsi Filter like that has been released in the new Dave Smith Module

http://www.davesmithinstruments.com/product/dsm01-curtis-filter-module/%E2%8...

Is there a similar one in Pure Data already thati can employ?

TY

*Patrick Pagano B.S, M.F.A* Audio and Projection Design Faculty Digital Worlds Institute University of Florida, USA (352)294-2020

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