[sdiy] Adding offset to vactrol??

[Antti Huovilainen]

On Wed, 4 Jun 2008, Aaron Lanterman wrote:

> It seems to get anywhere close you'd have to split the audio signal up into 
> different bands, and apply a different VCA to each band, each with its own 
> slew.

Vactrols are linear (for the audio signal), right?
I have a hard time seeing how such effect could result from a linear 
device. Now, all kinds of nonlinear filtering of the control signal I can 
believe.
Does anyone have actual measured curves of a typical vactrol?

Antti

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