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Subject: Re: Polyphonic MOTM

From: "Mike Marsh" <mmarsh@...>
Date: 2004-05-14

Hi Robert -

I created a BASIC program that generated the melody and downloaded
it to the PSIM module. Here's how I explained it in the PSIM group:

"The code, ahem, borrows from the Good Dr. Mabuse (the shift register
stuff), Brice (lots of stuff) and of course Master Grant (lots of
other stuff). I added the note generation code and an array with
one octave of the C Major scale.

The MP3 was done using the 4 SR outs of the PSIM into 4 MOTM VCOs
(two 300s and 2 310s). Each goes into one channel of a Quad Low
Pass Gate each channel of which is modulated by an MOTM 800 EG,
which is triggered by the gate produces on the AUX of the PSIM. The
OUT of one LPG goes to a frequency shifter, one goes to the favorite
and very nice MOTM-410 filter, and two go into an Oakley SVF. A
total of 8 channels are mixed on my Tascam FW-1880 then into Cool
Edit Pro.

It's nice that the PSIM has 4 outs and the LPG has 4 ins!

Anybody could modify the code generation code and get their own
melodies. You could also change the scale used (there is a minor-
like scale included in the code, for e.g.). Lot's of possibilities
here"

If you are even more interested, I posted the code to the
SynthModules group (also here on Yahoo).

Mike


--- In motm@yahoogroups.com, Robert van der Kamp <robnet@w...> wrote:
> On Thursday 13 May 2004 22:49, Mike Marsh wrote:
>
> > How about that algorithmic melody? Pretty cool, huh?
> > This was old hat in the bygone MIDI days. In these more
> > modern analog modular days, algorithmic is pretty hard to
> > come by. But now I can program to my heart's content and
> > have it play back on a real instrument :)
>
> What exactly did you do then to create that melody?
> Curious...
>
> - Robert