Lumatone mapping for 77edo - Revision history

Yourmusic Productions: As an approximation of carlos apha.

2025-10-29T11:15:21Z

As an approximation of carlos apha.

← Older revision		Revision as of 11:15, 29 October 2025
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	Inspired by the [[Valentine]] version of the [[Lumatone mapping for 31edo]], the [[15L 1s]] (or [[1L 14s]]) mapping for [[77edo]] succeeds in avoiding missed notes in the middle octaves; the range is a bit over two octaves, and the octaves slant up. This mapping is a placeholder proposed as a way to avoid the missed notes of the layouts above, although at the cost of some common intervals being spaced very widely, and with considerable gamut fragments present in the upper left and lower right corners.		Inspired by the [[Valentine]] version of the [[Lumatone mapping for 31edo]], the [[15L 1s]] (or [[1L 14s]]) mapping for [[77edo]] succeeds in avoiding missed notes in the middle octaves; the range is a bit over two octaves, and the octaves slant up. This mapping is a placeholder proposed as a way to avoid the missed notes of the layouts above, although at the cost of some common intervals being spaced very widely, and with considerable gamut fragments present in the upper left and lower right corners.
	{{Lumatone EDO mapping\|n=77\|start=0\|xstep=5\|ystep=6}}		{{Lumatone EDO mapping\|n=77\|start=0\|xstep=5\|ystep=6}}

			== Carlos Alpha ==
			If you don't want to cover all the notes in every octave, you can compress it down to a [[4L 2s]] scale with a moderate octave stretch which excellently approximates [[Carlos Alpha]] and makes 8:10:11:12 chords easy to play.
			{{Lumatone EDO mapping\|n=77\|start=67\|xstep=15\|ystep=-5}}

	{{Navbox Lumatone}}		{{Navbox Lumatone}}

Yourmusic Productions: Figure out most efficient mapping that covers the gamut here.

2025-08-28T07:43:09Z

Figure out most efficient mapping that covers the gamut here.

← Older revision		Revision as of 07:43, 28 August 2025
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	== Diatonic ==		== Diatonic ==
	However, ~~Due~~ to the size of the edo, this mapping does not cover all the notes.		However, due to the size of the edo, this mapping does not cover all the notes.
	{{Lumatone EDO mapping\|n=77\|start=2\|xstep=13\|ystep=-7}}		{{Lumatone EDO mapping\|n=77\|start=2\|xstep=13\|ystep=-7}}

			== Restles ==
			To maximise your range while covering the full gamut and keep octaves near horizontal, you can use the [[restles]] mapping, which is particularly efficient in the 2.7.13 subgroup.
			{{Lumatone EDO mapping\|n=77\|start=65\|xstep=8\|ystep=-1}}

	== Tsaharuk (Schismatic) ==		== Tsaharuk (Schismatic) ==

Lucius Chiaraviglio: Create Lumatone mapping for 73edo, starting with Bryan Deister's Lumatone mapping for 77edo and the obligatory diatonic mapping, but no currently tested mapping avoids missed notes, so inserting an untested one as a placeholder

2025-07-02T09:35:14Z

Create Lumatone mapping for 73edo, starting with Bryan Deister's Lumatone mapping for 77edo and the obligatory diatonic mapping, but no currently tested mapping avoids missed notes, so inserting an untested one as a placeholder

New page

{{Lumatone mapping intro}}

== Diatonic ==
However, Due to the size of the edo, this mapping does not cover all the notes.
{{Lumatone EDO mapping|n=77|start=2|xstep=13|ystep=-7}}

== Tsaharuk (Schismatic) ==
[[Bryan Deister]] has demonstrated a [[7L 2s]] mapping for [[77edo]] in [https://www.youtube.com/shorts/wSZez2KgP2U ''microtonal improvisation in 77edo''] (2025). [[Tsaharuk]] is a member of the [[Schismatic family]] that splits the (highly accurate) fifth (~[[3/2]], as 45\77) into five parts (9\77), which function as lesser tridecimal neutral seconds ~[[13/12]]. Two of them (18\77) make a flat minor third ~[[20/17]]; three of them (27\77) make a sharp major third ~[[14/11]]; and four of them make a near-just tridecimal augmented fourth ~[[18/13]], which serves as the dark generator for the 7L 2s scale in the manner of Mavila, but since it is not mapped as a fourth, it can be stacked to get an actual near-just fourth or fifth (depending upon direction of stacking), needing ten to do so, as in [[Mabila family|Mabila]]. The overall range is approximately three and a half octaves (which slope upwards mildly), but each octave is missing a few notes.
{{Lumatone EDO mapping|n=77|start=58|xstep=9|ystep=-2}}

== Valentine (currently untested; placeholder) ==
Inspired by the [[Valentine]] version of the [[Lumatone mapping for 31edo]], the [[15L 1s]] (or [[1L 14s]]) mapping for [[77edo]] succeeds in avoiding missed notes in the middle octaves; the range is a bit over two octaves, and the octaves slant up. This mapping is a placeholder proposed as a way to avoid the missed notes of the layouts above, although at the cost of some common intervals being spaced very widely, and with considerable gamut fragments present in the upper left and lower right corners.
{{Lumatone EDO mapping|n=77|start=0|xstep=5|ystep=6}}

{{Navbox Lumatone}}