[Pd] Pd to CV for a Moog (OT)
Christian Klippel
ck at mamalala.de
Tue Sep 12 07:30:26 CEST 2006
hi again,
also note that many cv inputs are "adjusted" for 1 volt per octave.
so, instead of using a dac over the complete range, you might do a combination
of a dac and a switchable gain&shift stage. say, the dac handles 2 octaves,
and you have 5 different octave-base selections available.
pro: allows for much finer tuning of the note
con: requires more control software and a bit more electronics
a rough guess would be around 8 or 10 bucks per 16 bits / 5 selections.
for simplicity i would recommend to use 4 selection with 2 1/2 octaves each,
because analog 4-channel switches as chips are readily (and cheaply)
available.
greets,
chris
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