Mellite / SoundProcesses

Mellite - Tutorial - Part 11: Negatum genetic programming of synthetic sounds

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Introduction to the Mellite computer music environment. Part 11: The Negatum object which implements a genetic programming algorithm for obtaining synthetic sound structures found by matching against a given sound file.

This is based on Mellite v2.38.1. See https://www.sciss.de/mellite/ for details.

Erratum:

  • at 12:30" the tutorial wrongly states that 67% individuals are obtained through mutation and cross-over. Indeed 100% individuals (so the entire new population of size 500) is obtained this way; the selected individuals are only used as parents.
  • at 14:00" a local maximum is not "actually a valley", but the problem is that a local maximum is surrounded by valleys, so the algorithms avoids descending again into those valleys to potentially reach better maxima.
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