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norns library for defining microtonal scales and chords - play on grid as a isomorphic keyboard

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robmckinnon/pitfalls

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item: There are pitfalls in using equal division within which
          to calculate 2-interval-patterns which the unwary traveler
          will most certainly fall into.
                                                                                  - Erv Wilson [0]

Changelog

v0.4.2

  • Set engine selection list with engines that are installed
  • Wait until engine is loaded before trying to load next engine
  • Do not offer mx.samples engine when there are no audio/mx.samples
  • For midi_out.pitch_bend_value() reuse, pass pitchbend semitones as 2nd argument

v0.4.1

  • Fix to work when midigrid lib is not installed

v0.4 ostinato odington

  • Add MIDI in keyboard support on virtual port 1
  • Add MIDI out monophonic pitch bend note play on virtual port 2
  • Add "MollyThePoly", "MxSamples" engine support
  • Autosave params on change
  • Load from saved params on init
  • Add new ratios display - show intervals/chords as played

v0.3.1 tutti terpstra

  • Add "browse scale by name" input in norns screen UI
  • Update named scales list from Scala
  • Add initial pitch-bent MIDI out support (disabled for now)
  • Display interval ratios on display.lua view

v0.2.0 giojoso geola

  • Add "circle" display - show intervals on circle spokes.
  • Add "strings" display - show line lengths proportionate to interval ratios.
  • K3 toggles original, circle, and strings display.
  • Add M medium step to scale sequences.
  • Add more just intervals and chords.
  • Label scale in display with an exisiting scale name when it exists in MusicUtil, the Xenharmonic Wiki[1], or Scala[2].

v0.1.1 einfach einem

  • Define scale as a sequence of Ls steps.
  • Configure large L and small s step sizes, and scale notes length.
  • Configure pitch using base note, Hz tuning, octave, and scale mode and tonic note.
  • See scale intervals rendered next to sequence, e.g. M3, P5, etc.
  • Arpeggiate notes in scale.
  • Play scale notes using Grid as a isomorphic keyboard.

References

[0] An Introduction to the Moments of Symmetry [1] Xenharmonic Wiki [2] Scala