378/377: Difference between revisions
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{{Infobox interval|Ratio=378/377|Name=major semivinema|Color name=Twenuthuzo unison|Comma=yes}} | {{Infobox interval | ||
'''378/377''', the '''major semivinema''' is a [[comma]] | | Ratio = 378/377 | ||
| Name = major semivinema | |||
| Color name = Twenuthuzo unison | |||
| Comma = yes | |||
}} | |||
'''378/377''', the '''major semivinema''' is a [[small comma|small]] [[29-limit]] (also 2.3.7.13.29-[[subgroup]]) [[comma]]. It forms the difference between [[29/27]] and [[14/13]], between [[29/18]] and [[21/13]], between [[29/21]] and [[18/13]], and between [[29/28]] and [[27/26]]. | |||
== Commatic relations == | |||
This comma may be found as the difference between the following superparticular ratios: | |||
* [[105/104]] and [[145/144]] | |||
* [[117/116]] and [[169/168]] | |||
* [[144/143]] and [[232/231]] | |||
* [[175/174]] and [[325/324]] | |||
* [[196/195]] and [[406/405]] | |||
* [[204/203]] and [[442/441]] | |||
* [[261/260]] and [[841/840]] | |||
* [[300/299]] and [[1450/1449]] | |||
* [[320/319]] and [[2080/2079]] | |||
* [[324/323]] and [[2262/2261]] | |||
* [[351/350]] and [[4901/4900]] | |||
* [[352/351]] and [[5104/5103]] | |||
* [[364/363]] and [[9802/9801]] | |||
* [[375/374]] and [[47125/47124]] | |||
It factors into the following superparticular ratios: | |||
* [[729/728]] and [[784/783]] | |||
* [[552/551]] and [[1197/1196]] | |||
* [[495/494]] and [[1596/1595]] | |||
* [[456/455]] and [[2205/2204]] | |||
* [[441/440]] and [[2640/2639]] | |||
* [[392/391]] and [[10557/10556]] | |||
* [[391/390]] and [[11339/11340]] | |||
* [[385/384]] and [[20736/20735]] | |||
== Etymology == | == Etymology == | ||
The word ''semivinema'' was introduced by [[User:Xenllium|Xenllium]] in 2024. It is a contraction of ''vicesimononal semitone comma'' into a single word. | The word ''semivinema'' was introduced by [[User:Xenllium|Xenllium]] in 2024. It is a contraction of ''vicesimononal semitone comma'' into a single word, where ''vicesimononal semitone'' refers to 29/27. | ||
== See also == | == See also == | ||
* [[406/405]] – minor semivinema | * [[406/405]] – minor semivinema | ||
* [[List of superparticular intervals]] | * [[List of superparticular intervals]] | ||
[[Category:Commas named for the intervals they stack]] | [[Category:Commas named for the intervals they stack]] | ||
Latest revision as of 15:01, 18 September 2025
| Interval information |
reduced
378/377, the major semivinema is a small 29-limit (also 2.3.7.13.29-subgroup) comma. It forms the difference between 29/27 and 14/13, between 29/18 and 21/13, between 29/21 and 18/13, and between 29/28 and 27/26.
Commatic relations
This comma may be found as the difference between the following superparticular ratios:
- 105/104 and 145/144
- 117/116 and 169/168
- 144/143 and 232/231
- 175/174 and 325/324
- 196/195 and 406/405
- 204/203 and 442/441
- 261/260 and 841/840
- 300/299 and 1450/1449
- 320/319 and 2080/2079
- 324/323 and 2262/2261
- 351/350 and 4901/4900
- 352/351 and 5104/5103
- 364/363 and 9802/9801
- 375/374 and 47125/47124
It factors into the following superparticular ratios:
- 729/728 and 784/783
- 552/551 and 1197/1196
- 495/494 and 1596/1595
- 456/455 and 2205/2204
- 441/440 and 2640/2639
- 392/391 and 10557/10556
- 391/390 and 11339/11340
- 385/384 and 20736/20735
Etymology
The word semivinema was introduced by Xenllium in 2024. It is a contraction of vicesimononal semitone comma into a single word, where vicesimononal semitone refers to 29/27.
See also
- 406/405 – minor semivinema
- List of superparticular intervals