MOTM

I think a pr of band pass filter is good for this.  I do alot of this on a
Yamaha FS1R but that uses formant shaping.  For anyone with the miniwave, are
there some bases for voice included in that ?
Jim

mbedtom@... wrote:
> 
> I have an interest in imparting human voice qualities to various
> sounds as has been done by Tomita, et al.  (Not using a vocoder -
> purely by mucking with the harmonic spectra.) Since I don't have the
> proper number of modules to do this yet, I was wondering if anyone in
> the group has played with such setups.  My specific question relates
> to VC of the filters... should the keyboard control voltage cause the
> filter cutoff frequencies to track the pitch source on a 1:1 basis to
> preserve the sound?  Or is the tracking less than 1:1, or are the
> filters simply fixed and the useful range is less than 2 octaves?
> 
> Another question is, what is the "best" waveform to use as the
> excitation source for 'voice' configurations?  (I was thinking of an
> 80/20 pulse from a 300 VCO but would a sawtooth be better?)  I know
> that the excitation wave has to be harmonic-rich, but is there
> a "best"?  Okay, that spawns another question... is there a waveform
> that is generally accepted as being the most harmonic-rich (other
> than white/pink noise!)?
> 
> Cheers!
> Tom Farrand
> 
> 
> 
> 
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