Archive of the former Yahoo!Groups mailing list: MOTM

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....

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.

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"?

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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