[sdiy] Lowest distortion neede for VCA

[Michael Zacherl]

On 16.9.2013, at 06:19 , David G Dixon wrote:

> I'm with Tom.  I (and I woudl suspect most modular users) use linear VCAs
> almost exclusively post envelope.  The envelope is already exponential.

I use a log VCA when applying slow AM to the signal for repetitive patterns.
Like Sawtooth-LFO -> VCA  etc.pp.

>> I disagree. Most of the "classic" synths use a linear VCA for 
>> the audio output too. The envelopes provide a log decay, but 
>> the VCA itself is linear. 
>> Whilst a log VCA might be more "logical" in some sense, it 
>> isn't actually what was commonly used. Check the schematics 
>> of your favourite classic synth to check, but my money's on linear.
>> 
>> 2 cents,
>> Tom
>> 
>> On 15 Sep 2013, at 14:48, Harald <sdiy at haraldswerk.de> wrote:
>> 
>>> Because lin are mostly used for VC processing and log for audio.  


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