[sdiy] 4 channel polyphonic midi2cv with trigger

[harrybissell]

Why trigger...

you can get a trigger from the rising edge of the gate with a
capacitor and resistor... (single trigger)

or a multi trigger by differentiating the step in voltage as the
CV changes....

I built the trigger circuits right into my env. generators, and just
use gates. I'm not personally fond of multi-trigger anyway... but
its not hard to do (in hardware... which I AM personally fond of...)

H^) harry

sbernardi at attbi.com wrote:

> I've got an EFM rxcvpro midi2cv, and a PAIA midi2cv. The
> rxcvpro is nice because it is cheap, but it does not
> have a separate trigger output. The PAIA is $99 and can
> do two simultaneous channels with CV, gate, trigger,
> velocity, mod wheel, and aftertouch.
> What I would really like is something that could do 4
> channel polyphonic with CV, gate, trigger, and velocity.
> That's 16 outputs - should be possible with a PIC based
> midi2cv? Does anybody know of such an animal that
> doesn't cost $100's?
> Lord have mercy - I'm thinking of doing a 4 voice
> polyphonic synth.