[sdiy] Experimental Hardware Neurons

[Grant Richter]

You could still use a 555, just insert a comparator on the capacitor ramp
and trigger a second pulse with the voltage comparator. OR the pulses
together, so the 555 does the 1 and 3 and the comparator does the 2 and 4.
Now adjusting the comparator level moves the variable 2 and 4 relative to
the fixed 1 and 3.

From: mark verbos <mverbos at earthlink.net>
Date: Fri, 30 May 2003 14:15:57 -0400
To: synth DIY <synth-diy at dropmix.xs4all.nl>
Subject: Re: [sdiy] Experimental Hardware Neurons


swing is a delay of the 2nd and 4th 16th note in each beat. On a TR-909 you
have several settings for ammounts of delay, I'm assuming based on skipping
to a later pulse from the master clock. One could also make a swing circuit
that has a continuous knob for amount. A trigger delay on every other pulse.
4013 to select which pulse train, the normal or delayed. OR.... set up a
different delay on each beat with a sequencer, "groove quantize", but how do
you make the early notes? hmmmm. I have thought about this a bit, I don't
know. 

Maybe a "sequencer" with switches for each step to select from several
pulses of the master clock both before and after the quantized beat. Then
you can have notes falling before AND after the beat.

mark

Grant Richter wrote:


I also want to add a "swing" function to the clock circuit. Can anybody
clarify how swing is defined? For a 1-2-3-4 pattern is it advancing or
retarding the 2 and 4, or just the 2 and in which direction?

Thanks for the help!

So like, what kind of interesting things will this
do??
Is it worth building one up to play with? How many
neurons do you need to do something neat?

--Tim

--- Grant Richter <grichter at asapnet.net> <mailto:grichter at asapnet.net>
wrote:
A new experimental module is introduced with
schematic diagrams.

Presents a very simple and inexpensive design for a
logic element inspired
by biological neurons. Adapted from work by Warren
McCulloch and Marvin
Minsky.


http://www.musicsynthesizer.com/Neurons/Neurons1.html

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