[sdiy] What sort of filter is this?

[Neil Johnson]

Hi,

Mike Beauchamp wrote: 
> The reason I ask is that I'm looking for an analog variable filter to
> add in the feedback path of a delay... I'd like to be able to have a
> single knob where the centre position is basically unaffected and I
> can either cut bass or cut treble. I'm not too sure if I'd want

This looks an interesting program:

http://www.duncanamps.com/tsc/

Neil
--
http://www.njohnson.co.uk