[sdiy] 40-band vocorder

[Florian Anwander]

Hi Ian

What about a 10 or 15 Band vocoder with tunable bands? I once made some 
tests with multitracked vocoding (physically only one band, but the 
vocoding was done on a multitrack tape).
It is astonishing how you can improve the sound, if you adjust the band 
freequencies suitable to the vocoded voice.

Florian


Ian Smith schrieb:
> Hey all,
> I'm back with another insane idea. Here are the sources of my madness: A book on Vocal Coding and Formants, Paia Corporation's Vocorder, and Jurgen Haible's 40 band fixed filter bank.
> I know some of you just twitched in terror at the thought of all that wire.
> For those of you that didn't: 80 filters (2 sets of 40, one for the vocal input one for the instrument input) with 80 sliders, 40 envelope followers, and 40 VCAs.
> Yup... there go the rest of you. That twitch was disturbance-in-the-force worthy...
> But wouldn't it be awesome to be able to shape both the instrument signal AND the vocal signal?
> In other questions... how advanced do the VCAs need to be? Do they have to be full blown log/lin VCAs or would a simple little single transistor VCA like the one in Ray Wilson's Weird Sound Generator work?
> -Ian 
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