Lumatone mapping for 29edo: Difference between revisions

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There are many conceivable ways to map [[29edo]] onto the [[Lumatone]] keyboard. Only one, however, agrees with the [[Standard Lumatone mapping for Pythagorean]]. This is "Preset 7 29-HTT Bosanquet M" in the official Lumatone manual.
{{Lumatone mapping intro}}
 
== Diatonic ==
This is "Preset 7 — 29-HTT Bosanquet" in version 1.0 of the official Lumatone manual (it does not appear in version 1.21).
{{Lumatone EDO mapping|n=29|start=2|xstep=5|ystep=-3}}
{{Lumatone EDO mapping|n=29|start=2|xstep=5|ystep=-3}}


== Pentatonic ==
It is possible to compress the diatonic mapping above to a pentatonic [[2L 3s]] scale (7:5 step ratio) to get more range, at the cost of causing octaves to slope down and making the chroma run in reverse. [[Pedro Laranjeira Finisterra]] has used this mapping in [https://www.youtube.com/watch?v=p0cUcI140HE ''Submerged''] (2024).
{{Lumatone EDO mapping|n=29|start=15|xstep=5|ystep=2}}


The semiquartal ([[5L 4s]]) layout works particularly well if you want a larger range, as [[barbados]] chords are tuned very accurately:
== Semiquartal (Immunity) ==
The [[4L 1s]] [[Immunity]] mapping works particularly well if you want a larger range, as [[barbados]] chords are tuned very accurately, [[Gentle_region|gentle]] ones slightly less so, and 5-limit ones have far higher error, which conveniently aligns with the ease of fingering those types of chord.
{{Lumatone EDO mapping|n=29|start=17|xstep=6|ystep=-1}}
{{Lumatone EDO mapping|n=29|start=17|xstep=6|ystep=-1}}
This can be compressed down to a [[1L 3s]] mapping that maximises range and keeps octaves even closer to horizontal, but makes the fingerings for non-barbados chords more awkward to play.
{{Lumatone EDO mapping|n=29|start=26|xstep=6|ystep=5}}


== Porcupine ==
If you do want to focus on the 5-limit, the [[1L 6s]] [[Porcupine]] mapping makes it as easily accessible as possible for this edo and has the same range as the diatonic mapping.
{{Lumatone EDO mapping|n=29|start=11|xstep=4|ystep=1}}


The [[7L 1s]] [[Porcupine]] layout is also a good option, keeping octaves close to horizontal, but sacrifices some range.
{{Navbox Lumatone}}
{{Lumatone EDO mapping|n=29|start=6|xstep=4|ystep=-3}}
 
[[Category:Lumatone mappings]] [[Category:29edo]]

Latest revision as of 11:34, 18 February 2026

There are many conceivable ways to map 29edo onto the onto the Lumatone keyboard. Only one, however, agrees with the Standard Lumatone mapping for Pythagorean.

Diatonic

This is "Preset 7 — 29-HTT Bosanquet" in version 1.0 of the official Lumatone manual (it does not appear in version 1.21).

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27
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23
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20
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Pentatonic

It is possible to compress the diatonic mapping above to a pentatonic 2L 3s scale (7:5 step ratio) to get more range, at the cost of causing octaves to slope down and making the chroma run in reverse. Pedro Laranjeira Finisterra has used this mapping in Submerged (2024).

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27
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24
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Semiquartal (Immunity)

The 4L 1s Immunity mapping works particularly well if you want a larger range, as barbados chords are tuned very accurately, gentle ones slightly less so, and 5-limit ones have far higher error, which conveniently aligns with the ease of fingering those types of chord.

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8
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19
25
18
24

This can be compressed down to a 1L 3s mapping that maximises range and keeps octaves even closer to horizontal, but makes the fingerings for non-barbados chords more awkward to play.

26
3
8
14
20
26
3
13
19
25
2
8
14
20
26
24
1
7
13
19
25
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26
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6
12
18
24
1
7
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25
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24
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25
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26
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9
25
2
8
14
20
19
25

Porcupine

If you do want to focus on the 5-limit, the 1L 6s Porcupine mapping makes it as easily accessible as possible for this edo and has the same range as the diatonic mapping.

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24
28
3
17
21
25
0
4
8
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16
22
26
1
5
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0
4
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27
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18
22
26
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28
3
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1
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