[sdiy] Good effect circuits for a DIY synth

[john mahoney]

----- Original Message ----- 
From: "Rutger Vlek"

> Another question i have is what the best way would be to connect a
keyboard
> to the Orbital project. The Orbital has a midi interface which supports
the
> control of the synths aftertouch, pitchbending and velocity. Building in a
> regular midikeyboard would be the easiest way, but seams a little strange
> since you go from analog key-switches to midi and then back to analog
> voltages. Is it possible to leave the midi out in this connection without
> losing the AT, velocity and pitchbending???

Rutger,

While a MIDI keyboard does use "analog key switches," those switches do not
produce a pitch control voltage. The switches are scanned by a microcomputer
that keeps track of which keys are up, which are down, how fast each key was
pressed, etc.

I wouldn't even consider using an old style, analog keyboard. Besides being
hard to find, they are limited -- no velocity, no polyphony.

You want velocity sensing? Use a MIDI keyboard.

Besides, don't you want the Orbital (that name, again?!) to have MIDI, for
recording purposes?
--
john