[sdiy] v/octave standard ?
Dr Strangelove
phdinfunk at hotmail.com
Thu Sep 13 05:16:02 CEST 2001
I've always thought I'd do something like this when I get around to building
an analogue sequencer. It'd be a matter of a twelve position switch per
step (maybe some threeway octave switches under the simitone switches).
Each position has a trimpot to tune the note correctly.
-=<Jonathan Pratt>=-
(Phdinfunk at hotmail.com)
>From: "J. Larry Hendry" <jlarryh at iquest.net>
>To: "John L Marshall" <john.l.marshall at gte.net>,
><synth-diy at dropmix.xs4all.nl>
>Subject: Re: [sdiy] v/octave standard ?
>Date: Wed, 12 Sep 2001 21:02:27 -0500
>
>Maybe it might look like this:
>http://www.wiseguysynth.com/larry/jlh-822/822.htm
>Larry Hendry
>
>
>----- Original Message -----
>From: John L Marshall <john.l.marshall at gte.net>
>To: <synth-diy at dropmix.xs4all.nl>
>Sent: Wednesday, September 12, 2001 7:51 PM
>Subject: Re: [sdiy] v/octave standard ?
>
>
>You could use two rotary switches each with precision resistor chain and
>one
>calibration pot. 1) could go from 0 Volts to 11/12 Volt in 1/12 Volt
>increments to choose the semitone. The other could go from 0 Volts to 8
>Volts in 1 Volt increments to choose the octave. This could be part of your
>VCO or a separate module to control several VCO's.
>
>
>
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