Lumatone mapping for 88edo: Difference between revisions
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== Diatonic == | == Diatonic == | ||
However, due to the size of the edo, this does not cover the whole gamut, although for a meantone mapping, this is not necessarily a show-stopper. Despite the missing notes, [[Bryan Deister]] uses this mapping in [https://www.youtube.com/shorts/g55YTKvWyK4 ''March in 88edo''] (2026). | |||
{{Lumatone EDO mapping|n=88|start=80|xstep=14|ystep=-5}} | {{Lumatone EDO mapping|n=88|start=80|xstep=14|ystep=-5}} | ||
=== Expanded Diatonic === | |||
If you do want to cover all the notes with no skips and minimal repetition, you can expand it to the [[7L 5s]] mapping, but this gives octaves a moderate downward slant. This is the highest edo in which this mapping gives access to all the notes, higher ones will need to use the even more expanded [[12L 5s]] or [[12L 7s]] MOSes. Brian Deister uses this mapping in [https://www.youtube.com/watch?v=JQly-kX6kcM ''microtonal improvisation in 88edo'']. | |||
{{Lumatone EDO mapping|n=88|start=0|xstep=9|ystep=-4}} | {{Lumatone EDO mapping|n=88|start=0|xstep=9|ystep=-4}} | ||
Keeping the same generator but setting the period to the quarter octave gives you a near equal [[4L 8s]] scale that keeps octaves closer to horizontal and makes chords easy to play | Keeping the same generator but setting the period to the quarter octave gives you a near equal [[4L 8s]] scale that keeps octaves closer to horizontal and makes chords easy to play | ||
{{Lumatone EDO mapping|n=88|start=79|xstep=7|ystep=1}} | {{Lumatone EDO mapping|n=88|start=79|xstep=7|ystep=1}} | ||
== | == Mothra == | ||
The [[Mothra]] mapping is also a good option, as 88edo is its higher limit optimal patent val. However, it has similar problems to the meantone mapping in that you have to choose between not having access to all the notes or heavily slanted octaves. | The [[Mothra]] mapping is also a good option, as 88edo is its higher limit optimal patent val. However, it has similar problems to the meantone mapping in that you have to choose between not having access to all the notes or heavily slanted octaves. | ||
=== 1L 4s === | === 1L 4s === | ||
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== Other Mappings == | == Other Mappings == | ||
To maximise your range without skipping notes and keep octaves close to horizontal involves an inverted [[9L 2s]] scale which is not particularly intuitive to play. | To maximise your range without skipping notes and keep octaves close to horizontal involves an inverted [[9L 2s]] (step ratio 10:-1) scale which is not particularly intuitive to play. | ||
{{Lumatone EDO mapping|n=88|start=5|xstep=10|ystep=-11}} | {{Lumatone EDO mapping|n=88|start=5|xstep=10|ystep=-11}} | ||
{{Navbox Lumatone}} | {{Navbox Lumatone}} | ||