Diesis: Difference between revisions
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* [[128/125]], the ''augmented comma'' or ''lesser diesis''; | * [[128/125]], 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 (≈ 41¢). See [[Diesis (interval region)]]; | ||
* | * By extension, the difference between two enharmonic notes in a scale. See [[Diesis (scale theory)]]. | ||
In addition, there are a number of archaic usages in [[Ancient Greek music]]: | In addition, there are a number of archaic usages in [[Ancient Greek music]]: | ||
* [[256/243]], known as the limma today; | * [[256/243]], known as the limma today; | ||
* | * A variety of quartertones. | ||
== Normal diesis == | == Normal diesis == |
Latest revision as of 11:29, 14 March 2025
The diesis (/ˈdaɪəsɪs/ DY-ə-sis; plural dieses) most commonly refers to:
- 128/125, 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 (≈ 41¢). See Diesis (interval region);
- By extension, the difference between two enharmonic notes in a scale. See Diesis (scale theory).
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.