[sdiy] Psych Tone
ralph at tink.org
Sat Jan 5 22:26:48 CET 2019
lfsr’s are used a lot in cryptography where they need to be as random as possible. in music that might be different. Has anyone here built (not-so-random) lfsr sequencers for melodic generation? Something I will ponder over the weekend :-)
> On 5 Jan 2019, at 18:06, Donald Tillman <don at till.com> wrote:
> (It's still a little rough.)
> "WTF is a Psych Tone?"
> The Psych Tone composes and plays musical sequences based on a Linear Feedback Shift Register. Don Lancaster invented and published (and named) it in the February 1971 issue of Popular Electronics magazine.
> The original article is here:
> As hobbyist electronic music projects go, it's pretty impressive. A 6-bit LFSR with variations, VCO, envelope generator, voltage controlled attenuator, and some logic to introduce rests, all in one package.
> Interesting update: I've been contacted by the Barbican Centre in London. They're putting together an exhibition for this summer called "AI - More than Human" and it will feature a physical Muse, under glass, with my software simulation running on an iPad next to it. This way museum visitors can see the actual Muse, and try out the simulation, and even "take it home".
> -- Don
> Donald Tillman, Palo Alto, California
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> Synth-diy at synth-diy.org
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