595/594: Difference between revisions
Hopefully this improves readability |
mNo edit summary |
||
(6 intermediate revisions by 3 users not shown) | |||
Line 1: | Line 1: | ||
{{Infobox Interval | {{Infobox Interval | ||
| Name = dakotisma | | Name = dakotisma | ||
| Color name = 17o1uzy2, soluzoyo 2nd | |||
| Comma = yes | | Comma = yes | ||
}} | }} | ||
Line 36: | Line 37: | ||
== Temperaments == | == Temperaments == | ||
Tempering out this comma in the full 17-limit gives the rank-6 '''dakotismic temperament''', | Tempering out this comma in the full 17-limit gives the rank-6 '''dakotismic temperament''', or in the 2.3.5.7.11.17 subgroup, the rank-5 '''dakotic temperament''', enabling [[dakotismic chords]]. You may find a list of good equal temperaments that support these temperaments below. | ||
=== Dakotismic === | |||
[[Subgroup]]: 2.3.5.7.11.13.17 | [[Subgroup]]: 2.3.5.7.11.13.17 | ||
[[Mapping]]: | [[Mapping]]: <br> | ||
<br>[ | {| class="right-all" | ||
|- | |||
| [⟨ || 1 || 0 || 0 || 0 || 0 || 0 || 1 || ], | |||
|- | |||
| ⟨ || 0 || 1 || 0 || 0 || 0 || 0 || 3 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 1 || 0 || 0 || 0 || -1 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 0 || 1 || 0 || 0 || -1 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 0 || 0 || 1 || 0 || 1 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 0 || 0 || 0 || 1 || 0 || ]] | |||
|} | |||
: mapping generators: ~2, ~3, ~5, ~7, ~11, ~13 | |||
{{ | [[Optimal tuning]] ([[CTE]]): ~2 = 1\1, ~3/2 = 702.2950, ~5/4 = 386.0705, ~7/4 = 968.4704, ~11/8 = 551.8578, ~13/8 = 840.5277 | ||
{{Optimal ET sequence|legend=1| 12f, 14cf, 15g, 19eg, 22, 26, 27eg, 34d, 38df, 41, 46, 58, 72, 121, 140, 171, 190g, 212g, 217, 289, 311, 668, 694g, 740g, 1051dg }}* | |||
<nowiki>*</nowiki> [[optimal patent val]]: [[861edo|861]] | <nowiki>*</nowiki> [[optimal patent val]]: [[861edo|861]] | ||
=== Dakotic === | |||
[[Subgroup]]: 2.3.5.7.11.17 | |||
[[Sval]] [[mapping]]: <br> | |||
{| class="right-all" | |||
|- | |||
| [⟨ || 1 || 0 || 0 || 0 || 0 || 1 || ], | |||
|- | |||
| ⟨ || 0 || 1 || 0 || 0 || 0 || 3 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 1 || 0 || 0 || -1 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 0 || 1 || 0 || -1 || ], | |||
|- | |||
| ⟨ || 0 || 0 || 0 || 0 || 1 || 1 || ]] | |||
|} | |||
: sval mapping generators: ~2, ~3, ~5, ~7, ~11 | |||
[[Optimal tuning]] ([[CTE]]): ~2 = 1\1, ~3/2 = 702.2950, ~5/4 = 386.0705, ~7/4 = 968.4704, ~11/8 = 551.8578 | |||
{{Optimal ET sequence|legend=1| 12, 14c, 19eg, 22, 27eg, 31g, 34d, 38d, 41, 46, 58, 68, 72, 118, 171, 190g, 193, 212g, 217, 239, 311, 1051dg }} | |||
== Etymology == | |||
The dakotisma was named by [[Praveen Venkataramana]] in 2022 in honor of [[Scott Dakota]]'s pioneering study of this comma and of its role in 311et. | |||
[[Category:Dakotismic]] | [[Category:Dakotismic]] | ||
[[Category:Commas named after composers]] | |||
[[Category:Commas named after music theorists]] |