[sdiy] New Octave Cat Website

[Tim Parkhurst]

On 9/28/05, John Loffink <jloffink at austin.rr.com> wrote:

>  I posted this some time ago to the SDIY list:
>
> <snip>
>
> Odyssey: No cross modulation by VCOs
>
 Odyssey VCF: no modulation from VCO1
>
> </snip>
>
 Very good list, John! One point though (see edited list above): you CAN do
audio frequency modulation (cross mod) on the Ody by using the S/H Mixer
(not the S/H, but the S/H Input Mixer). This is a trick that a surprising
amount of Ody owners don't know. You can run VCO1 (saw or square) and VCO2
(square) into the mixer, and then apply the output of the mix to VCO2 and/or
the VCF. This essentially gives you a pretty versatile modulation mixer.
Using this same trick, you can also add noise into the mod mix, or even set
VCO1 to the low range and use it as a VCLFO. The only thing you can't do
here is mod VCO1 by VCO2. ALSO, note that this trick WON'T work on the
otherwise similar Avatar, since the 'tar substitues the Envelope Follower
output for the S/H Mix going to VCO2 and the VCF. And as we all know, this
was the REAL reason the Avatar flopped. ;)
  Tim (again, with the being Mr. Odyssey Freak. Oi vey) Servo
--
"Imagination is more important than knowledge." - Albert Einstein
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