Diesis: Difference between revisions
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The '''diesis''' (/ˈdaɪəsɪs/ ''DY-ə-sis''; plural ''dieses'') most commonly refers to: | The '''diesis''' (/ˈdaɪəsɪs/ ''DY-ə-sis''; plural ''dieses'') most commonly refers to: | ||
* The difference between two enharmonic notes in a scale. See ''[[Diesis (scale theory)]]''; | * The difference between two enharmonic notes in a scale. See ''[[Diesis (scale theory)]]''; | ||
* by extension, [[128/125]] ( | * by extension, [[128/125]] (≈ 41¢), the ''augmented comma'' or ''lesser diesis''; | ||
** rarely, [[648/625]], the ''diminished comma'' or ''greater diesis''; | ** rarely, [[648/625]], the ''diminished comma'' or ''greater diesis''; | ||
* by extension, a melodic unit of about the size of 128/125. See ''[[Diesis (melodic unit)]]''. | * by extension, a melodic unit of about the size of 128/125. See ''[[Diesis (melodic unit)]]''. | ||
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== Normal diesis == | == Normal diesis == | ||
The '''normal diesis''' ( | The '''normal diesis''' (≈ 38.7¢) is an [[interval size measure]] defined as one step of [[31edo]]. | ||
== See also == | == See also == |
Revision as of 01:21, 24 November 2024
The diesis (/ˈdaɪəsɪs/ DY-ə-sis; plural dieses) most commonly refers to:
- The difference between two enharmonic notes in a scale. See Diesis (scale theory);
- by extension, 128/125 (≈ 41¢), the augmented comma or lesser diesis;
- rarely, 648/625, the diminished comma or greater diesis;
- by extension, a melodic unit of about the size of 128/125. See Diesis (melodic unit).
Intervals with the word in the name:
- Magic comma, or small diesis
- Porcupine comma, or maximal diesis
- Tetracot comma, or minimal diesis
- 49/48, the large septimal diesis
- 50/49, the septimal tritonic diesis
In addition, there are a number of archaic usages in Ancient Greek music:
- 256/243, known as the limma today;
- a variety of quartertones.
Normal diesis
The normal diesis (≈ 38.7¢) is an interval size measure defined as one step of 31edo.