> Vibrato is AC pitch modulation around a mean, so it would
> be fairly easy to look at the slope of F and decide whether the
> singer was moving to the note, or had missed it. Given that
> the DSP process introduces a minute delay, you'd never hear
> the 'off' pitch.

Hmm.. I think this might be more interesting than you think.


> The Cher song 'Believe' gives a great example of what the
> voice processing technology can do now. Harmonizing in real time.

The steppy response there would not be something desirable, generally
speaking.


One thing that would be interesting, would be some sort of "Calibration
mode" where you set up a distance for high and low note, and it then set
the scale to that. You'd potentially have to deal with the null point,
and with some fairly high "real" pitch outputs.

The volume antenna's response I suppose could be aided as well, but it's
far less critical. You can't hear a 1mm miss in volume, but you can in
pitch.  Trust me, breathing while playing makes a pitch change.



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