pitch2volt pat.

[Martin Czech]

For those who are interested:

I just found 3 patents about pitch to voltage conversion:

Moog     : time domain based                   : US pat 4 280 387
Bode     : multi lowpass fundamental filtering : US pat 4 377 961
Merriman : maxium & minimum detection          : US pat 4 151 775

all on the patent server www.patents.ibm.com

m.c.

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