[sdiy] Two-OTA VCAs (a la Oakley)

[Ian Fritz]

>Something else I'd like to hear people's opinions about:  Just how useful is
>logarithmic control of a VCA?  I notice that the Oakley VCAs are strictly
>linear, and I'm wondering whether it would be worth enhancing the basic Sims
>circuit for log/linear control.

Since envelopes are usually exponential, linear is usually the way to go 
with VCAs.  I have log VCAs to use with my wind controllers.  I use special 
circuits to turn them all the way off below a certain threshold voltage.

Ian