[sdiy] Expo converters, lin log etc.

[Paul Perry]

Well..... if you only want whole notes, that's one thing..
but if you want to sweep a voltage, and have the VCO
follow the voltage exponentially, you had better have
some pretty good resolution!
The pitch resolution of MIDI would be fine - but it's a big ask
(talking pitchbend, not note number).
And if you want to sweep at an audio rate (for FM) then
the process had better happen VERY fast indeed!

paul perry Melbourne Australia

----- Original Message ----- 
From: "John Mahoney"
> Doesn't this idea date back to the old PAiA stuff? The 8700 or 
> something like that, with a 6510 MPU and a QuASH (Quad Analog Sample 
> & Hold) and all that. It should be *very* easy for modern electronics 
> to handle this.
> As for stepping artifacts, do we need to exceed the pitch resolution 
> of MIDI? (That's a question, not a challenge.)