[sdiy] Famous Fixed Filters - FFF PCB ?

[harrybissell at wowway.com]

Jim Patchell did a "Vocal Filter" which is exactly what you
are asking for, imho...

H^) harry  (Jim's twin brother - separated at birth :^)


On Mon, 26 Nov 2007 14:48:45 -0000, Jorn Bilse wrote
> I agree, although it would probably be a box with a different design 
> brief than Famous Filters. I would definately buy a filter box with 
> the design brief of simply trying to be the BEST sounding analog 
> preset formant filter ever made, one which can turn any string 
> machine into a choir with an extended set of preset formants like 
> "Ih", "Eh", "Ah", "Oh", "Uh", "Mm", that could quickly be called up 
> at the touch of a dial and where adjacent formants could be 
> crossfaded with an envelope or LFO.
> 
> As has been noted in recent posts today, in order to achieve this, 
> some time would probably have to be spent analysing the frequency 
> spectrum of the best sounding vocal formants and applying those 
> spectra to the circuit design to get the closest approximation and 
> thus the best sound. This is where creative circuit design would be 
> important in order to make an efficient design with as few filter 
> poles as possible, but which still matches the measured frequency 
> spectrum pretty closely, and the artistry would of course be in 
> determining what the best formants are.
> 
> ----- Original Message ----- 
> From: "Jason Proctor" <jason at redfish.net>
> To: <synth-diy at dropmix.xs4all.nl>
> Sent: Sunday, November 25, 2007 1:31 AM
> Subject: Re: [sdiy] Famous Fixed Filters - FFF PCB ?
> 
> i've been trying to get good formant type behaviour out of my modular
> for ages and so far i've not been that happy with the results.
> 
> i would buy a PCB just for the VP330 filter! anything else would be 
> a bonus.
> 
> thanks for providing excellent designs to the community.
> 
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Harry Bissell & Nora Abdullah 4eva