[sdiy] circuit to create gate to accompany cv

Tom Wiltshire tom at electricdruid.net
Mon Dec 3 23:45:56 CET 2018


In the case of the EHX 8-step program, that might be regarded as a feature not a fault, since it would allow you to string two or more sliders together into a longer note.

Just a thought.

Tom

==================
       Electric Druid
Synth & Stompbox DIY
==================

> On 3 Dec 2018, at 22:17, John Speth <johnspeth at yahoo.com> wrote:
> 
> There is no way to reliably capture note-on events from a single CV line.  Consider the case of unchanging voltage that might involve two or more consecutive note-on events at the same pitch, a common occurrence.  There's no way to discern note-on events because the voltage never changes.
> 
> JJS
> 
> 
> On 12/3/2018 1:47 PM, Gordonjcp wrote:
>> On Mon, Dec 03, 2018 at 09:48:10AM -0800, John Speth wrote:
>>> I don't believe there is any way to extract note-on events from CV
>>> only.  You'd need a sort of "mind reader" circuit to do that.
>>> However, I'd love to be wrong about that.
>> Of course there is!  How do you think "New Pitch Detector" circuits in
>> monosynths work? ;-)
>> 
>> Take a look at the keyboard controller circuit for the Powertran
>> Transcendent 2000 for a good example...
>> 
> 
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