[sdiy] Question about Envelopes

[Pete Hartman]

In the reading I remember doing back in the day, it was the shape of the
sound.  The variation in loudness over time, most commonly.  The easy
example is an undamped piano string -- you have a sharp, fast loud attack
and a long tail decay.





On Thu, Nov 30, 2017 at 12:59 AM, Oren Leavitt <obl64 at ix.netcom.com> wrote:

> I like to say envelope generators are used to define the "shape" of the
> sound's volume or tone over time.
>
> - Oren
>
> On 11/29/17 10:43 PM, Chromatest J. Pantsmaker wrote:
>
> I know this is probably a silly question, but....
>
> I'm getting my fiance into synths and I was going over her new synth with
> her, explaining what a VCO is, VCF, etc...
>
> Then I get to the EG (ADSR) and she asks me why it is called an envelope
> generator?
>
> I said because it generates envelopes.
>
> That wasn't good enough for her, and I don't have a better answer.  I've
> been playing with and working on synths for decades, even took a synthesis
> class in college (they had the biggest Roland System 100M, I tell ya), but
> I don't know why they call it an envelope.  Google searches have not been
> helpful.
>
> Silly question, but can anybody explain?
>
> -c
>
>
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