VCA (to log or not to log...)

[danial stocks]

>
>I'm driving a VCA (3080 or 13700...) from the envelope of a guitar. I've
>extracted
>the envelope with a peak follower (for fast attack with low ripple...
>sure its not average or RMS, but it does work for guitar...).   Now I
>want to re-impose this envelope on a
>synth waveform.
>
>To LOG or not to LOG that is the question.  My guess is that linear is
>the way to go,
>as I have the exponential decay of the actual guitar preserved in the
>envelope.
>
>But maybe someone has other opinions ???  comments please.
>
>H^) harry
>

I reckon linear is the way to go on VCA's... first, as stated above, the 
guitar  env will be accurately replicated, but also, a log vca env will 
basically be pretty similar to feeding the whole thing into a compressor- 
reduced dynamic range.. of course, if you want a synth less likely to eat 
your speakers, this could be the way to go.. but there will be more parts 
involved too,may or may not be important..
Cheers,
Dan
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