bleepology

pseudo-random clocking

by bdu on Dec.24, 2008, under audio, drum machines, media, modular, pictures, plug-ins, software

I spent some time in Plogue Bidule today wiring up a pseudo random clock midi note generator.

This object takes a midi clock as an input, then chooses (randomly) various divisions of that clock to output midi notes. The midi pitches are either hard-set internal to the object or with external midi input. You can weight the divisions heavier by adding that division’s number multiple times in the number text field.

In the example audio below, the notes were chosen by a pseudo-random note generator I patched up awhile back, similar in function to this random gate generator, but for notes instead of gate divisions. The resulting midi was played by the Magical 8bit Plug, with D16’s Nepheton providing the static beat underneath so you can hear the original clock speed unaltered.

I’m looking forward to letting this bad boy loose on my modular, where I was intending on using it primarily as a clock source via midi->cv/gate conversion.

It’s worth mentioning that doing something like this in a pseudo-random way is the most difficult form, once you have that, it’s mostly a matter of *removing* bits of the module to, for instance, make one that switches divisions based upon the value of a midi CC input.

1 comment for this entry:
  1. Random gates - analog version - bleepology

    [...] bdu on Dec.24, 2008, under Uncategorized Like I said in the last post, couldn’t wait to get home and try it with the [...]

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