MOTM

--- In motm@yahoogroups.com, Matthew Hiscock <audio@b...> wrote:
> Hi all,
> 
> I had a pretty basic "theory" question about how decay works in a 
> (mono) modular:
> 
> Let's say I have a simple [keyboard -> vco -> vcf -> vca -> mixing 
> desk] setup, and that I'm using an eg to control the vca.
> 
> When I press a key on the keyboard, it triggers a certain note on the 
> vco and also makes the eg fire. Then when I take my finger off the 
> keyboard, does that note instantly stop sounding at the vco level? I'd 
> be inclined to think "yes" but then what about decay....

No and I think "release" is the proper term for decay here.

> If I take my finger off the keyboard, the eg wants to have the signal 
> continue - if there's no more signal, obviously the "decay" control is 
> irrelevant.

Yes, if you're talking about release.
 
> Is it then the case that the vco in a modular is *always on* so that 
> you *need* a vca to just selectively bring up the volume when a note is 
> actually being played? And the purpose of voltage control is to just 
> adjust the frequency, not turn the signal "on" or "off"?

Yes, always on.
 
> I ask this because I'll be growing my modular (from just a filtering 
> station) in very slow increments, so I want to make sure I get the 
> order right.
> 
> thanks,
> Matthew
> 
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Barry