Jim Patchell had a DIY project for vocal filtering:
http://www.oldcrows.net/~patchell/synthmodules/vocalfilter.htmlPCBs no longer available, though he provides gerber files if you want to
make your own.
John Loffink
The Microtonal Synthesis Web Site
http://www.microtonal-synthesis.comThe Wavemakers Synthesizer Web Site
http://www.wavemakers-synth.com > -----Original Message-----
> From: motm@yahoogroups.com [mailto:motm@yahoogroups.com] On Behalf Of Mike
> Marsh
>
> I've used the 410 in this way and to some degree the 420. The 410
> does not have ∗quite∗ enough resonance but I can remedy that by
> feeding it back into itself. It's still kind of static, though.
>
> The filters I've used in VA's have morph between a series of vowel
> sounds (eeee-aaayyy-ohhhh-oooo) and at high resonance you can get some
> woody timbres from low frequencies.
>
> I was just wondering if it's even possible in the analog domain at a
> reasonable price?
>