Lumatone mapping for 72edo: Difference between revisions

m Guiron + Harry + Marvel + Marvolo + Mothra + Slendric: Make title correspond better to temperament support
Inthar (talk | contribs)
 
(3 intermediate revisions by 2 users not shown)
Line 20: Line 20:
{{Lumatone EDO mapping|n=72|start=45|xstep=7|ystep=1}}
{{Lumatone EDO mapping|n=72|start=45|xstep=7|ystep=1}}


== Guiron + Harry + Marvolo (Marvel) + Mothra + Slendric ==
== Harry + Marvolo (Marvel) + Miracle ==


[[Bryan Deister]] has demonstrated a mapping of [[72edo]] as nine rings of [[8edo]] going right, offset so as to also produce the scale [[11L 9s (4/1-equivalent)]], in [https://www.youtube.com/shorts/VwVp3RVao_k ''microtonal improvisation in 72edo''] (2025). While this mapping works to get as many notes as possible of 72edo into 280 keys (yielding a range of over 3⅔ octaves, it was designed to work to support specific temperaments. The close approximations of ~[[6/5]] as 19\72 and ~[[5/4]] as 23\72 (if using note 0 as the root) are next to each other and not far from the root right and somewhat down. From note 0, moving right and somewhat down between the note 1 and note 6 keys to reach 14\72 yields a highly accurate ~[[8/7]], the generator of [[Gamelismic_clan#Guiron|Guiron]], [[Mothra]], and [[Slendric]]. Repeating this move twice more yields the highly accurate ~[[3/2]] as 42\72; repeating it once more after that to reach 56\72 yields an almost-just ~[[12/7]]; from there, moving one key to the right yields the primary generator of [[Marvel]] temperament, ~[[15/8]], as 65\72. The down-right generator 5\72 ([[20/19]] ~ [[21/20]] ~ [[22/21]]) matches [[Harry]] and [[Marvel_temperaments#Marvolo|Marvolo]].
[[Bryan Deister]] has demonstrated a mapping of [[72edo]] as nine rings of [[8edo]] going right, offset so as to also produce the scale [[11L 9s (4/1-equivalent)]], in [https://www.youtube.com/shorts/VwVp3RVao_k ''microtonal improvisation in 72edo''] (2025). While this mapping works to get as many notes as possible of 72edo into 280 keys (yielding a range of over 3⅔ octaves, it was designed to work to support specific temperaments. The close approximations of ~[[6/5]] as 19\72 and ~[[5/4]] as 23\72 (if using note 0 as the root) are next to each other and not far from the root right and somewhat down. From note 0, moving right and somewhat down between the note 1 and note 6 keys to reach 14\72 yields a highly accurate ~[[8/7]], which corresponds to two generators (~[[15/14]]) of [[Miracle]]. (It is also the generator of [[Gamelismic_clan#Guiron|Guiron]], [[Mothra]], and [[Slendric]], but 72edo is contorted in those temperaments). Repeating this move twice more yields the highly accurate ~[[3/2]] as 42\72; repeating it once more after that to reach 56\72 yields an almost-just ~[[12/7]]; from there, moving one key to the right yields the primary generator of [[Marvel]] temperament, ~[[15/8]], as 65\72. The down-right generator 5\72 ([[20/19]] ~ [[21/20]] ~ [[22/21]]) matches [[Harry]] and [[Marvel_temperaments#Marvolo|Marvolo]].


{{Lumatone EDO mapping|n=72|start=0|xstep=9|ystep=-4}}
{{Lumatone EDO mapping|n=72|start=0|xstep=9|ystep=-4}}
== Ennealimmal (currently untested) ==
This mapping uses [[ennealimmal]] temperament; it maps one axis to 1\9 and one axis to ~21/20, an ennealimmal generator.
{{Lumatone EDO mapping|n=72|start=0|xstep=8|ystep=-5}}


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