Envelope gen operation

[Grant Richter]

The "classic" designs such as the Electronotes design
will do nothing with a trigger only. The original key
board logic would not produce a trigger unless it
also produced a gate.

----------
>From: "J. Larry Hendry" <jlarryh at iquest.net>
>To: <synth-diy at node12b53.a2000.nl>
>Subject: Re: Envelope gen operation
>Date: Fri, May 26, 2000, 8:54 PM
>

>> From: Tim Ressel <Tim_R1 at verifone.com>
>>
>> I have a question on ADSR operation: If you get a trigger event without a
> gate
>> event, how do you expect the ADSR to respond? Does it do a full AR cycle?
> Does
>> it do nothing? Does it do a truncated AR cycle the width of the trigger
> pulse??
>
> I would expect full AR cycle from a ADSR when triggered with trigger only.
> The only modular EGs I own are the MOTM-800s.  They are set up to hold the
> gate high with no gate applied.  So, the A and D knobs function as A-R
> envelope.  The release control does nothing as the gate never goes low.
> The sustain needs to be all the way down or the output voltage is biased at
> the sustain level at all times.
>
> Bottom line, triggers can be stretched A-R style.
>
> Larry H
>
>