[sdiy] Experimental Hardware Neurons

Grant Richter grichter at asapnet.net
Fri May 30 20:03:13 CEST 2003


Eight neurons and both types of pattern generators would be best (I have a
new pattern generator based on the CD4089, I'll try to find time to add it
to the page). A PAIA MIDI "drum brain" is also good to output the rhythm
patterns to MIDI.

Basically they produce the kind of abstract rhythms you hear now-a-days from
Timbaland (Missy Elliot) or Dr. Dre (That kid with a bad haircut). It's more
of an inspiration box, you goof with it until you hear something you like. I
was surprised at how funky these quasi-random pulse trains can be. But we
have all been trained by hip-hop to accept a much wider range of rhythms
than previously.

There is also the "gee-whiz" factor, you expect rhythms from a rhythm box,
but from a neural net, well gee-whiz.

I would put this in the "inexpensive fun" category and not the "Cher voice
morpher smarmy hit maker" category.

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> 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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