Lumatone mapping for 70edo: Difference between revisions
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== Diatonic == | == Diatonic == | ||
However, due to its size, this mapping does not cover all the notes. In addition, the best approximation to [[5/4]] is a quadruply augmented or pentuply diminished 7th, which is impossible to play with the root note of the chord. In most cases it will make more sense to use the c val, where it is a diminished 4th. | However, due to its size, this mapping does not cover all the notes. In addition, the best approximation to [[5/4]] is a quadruply augmented or pentuply diminished 7th, which is impossible to play with the root note of the chord. In most cases it will make more sense to use the c val, where it is a diminished 4th. Despite the missing notes, [[Bryan Deister]] has demonstrated this mapping in [https://www.youtube.com/shorts/gp42aya9TL0 ''Drift Away - Steven Universe (microtonal cover in 70edo)''] (2025). | ||
{{Lumatone EDO mapping|n=70|start=4|xstep=12|ystep=-7}} | {{Lumatone EDO mapping|n=70|start=4|xstep=12|ystep=-7}} | ||
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The [[2L 8s]] mapping covers the whole gamut and makes harmonics easier to play together, although some of the higher ones are less efficiently mapped than in 58edo. | The [[2L 8s]] mapping covers the whole gamut and makes harmonics easier to play together, although some of the higher ones are less efficiently mapped than in 58edo. | ||
{{Lumatone EDO mapping|n=70|start=22|xstep=6|ystep=5}} | {{Lumatone EDO mapping|n=70|start=22|xstep=6|ystep=5}} | ||
The [[6L 4s]] mapping is meant to get as many notes as possible onto the space available on existing Lumatones, rather than attempting to fit any particular temperament, although it is a type of mapping supported by Diaschismic. This mapping gets three full octaves and the better part of another octave, with no missed notes and a moderate slope (comparable to the mapping above, but in the opposite direction). [[Bryan Deister]] has demonstrated this mapping in [https://www.youtube.com/shorts/I42JQ98WPZI ''microtonal improvisation in 70edo''] (2025). | |||
{{Lumatone EDO mapping|n=70|start=2|xstep=9|ystep=-5}} | |||
== Antidiatonic == | == Antidiatonic == |