[sdiy] RE: O.Y. using midi internally in a synth

[bill bigrig]

Howdy,

 It seems to me that pretty much every polysynth has
individual key "on" signals, and after each key is
pressed, a new start of the original signal chain
begins on a different voice. Thus 6 or 12 VCAs, 6
VCFs, 6 VCAs, six ADSRs et.al. For a 6 voice synth of
course. The cool ones used 8 or 16 VCOs. WAY cool.
They usually do it with a keyboard matrix to the CPU
to start a new voice, at the same settings, rather
than respond to different midi channels. Unless
they're mutitimbral. Whole different ballgame

 If you want to control all notes through one ADSR or
anything else I would advise you to find some time to
"noodle" around with a Korg POLY-800. If I recall, it
run all 6 (or 8), voices through a single processing
system (voice). It might help you hear the difference
in what you're proposing. Make sure to play a few
regular, 2 oscillator polysynths (forgive me if I'm
being elementary), I don't know you)to get the idea of
what most of them do, a 1 VCO per voice polysynth
would give wider knowlege of what true polysynths do,
but 2 is more fun. THEN try the POLY-800. I'll have to
dig one of mine out and see if I remember correctly.
I'm pretty sure that's the way they work. 8 (or 6)
VCOs, 1 ADSR, 1 VCF, 1 VCO.    Oops I forgot! And, a
stereo chorus.
Rig


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