Diesis: Difference between revisions
According to Wikipedia, the sense of diminished second is main. The other senses are derived from it. |
Clarify the logical relations between the three senses. +archaic usages. +see also |
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{{Wikipedia}} | {{Wikipedia}} | ||
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)]]''; | ||
* [[128/125]] (≈ 41¢), the ''augmented comma'' or ''lesser diesis''; | * 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)]]''. | ||
Intervals with the word in the name: | Intervals with the word in the name: | ||
* [[Magic comma]], or ''small diesis'' | * [[Magic comma]], or ''small diesis'' | ||
* [[Porcupine comma]], or ''maximal diesis'' | * [[Porcupine comma]], or ''maximal diesis'' | ||
* [[Tetracot comma]], or ''minimal diesis'' | * [[Tetracot comma]], or ''minimal diesis'' | ||
* [[49/48]], the ''large septimal diesis'' | * [[49/48]], the ''large septimal 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 == | == Normal diesis == | ||
The '''normal diesis''' (≈ 38.7¢) is an [[interval size measure]] defined as one step of [[31edo]]. | The '''normal diesis''' (≈ 38.7¢) is an [[interval size measure]] defined as one step of [[31edo]]. | ||
== See also == | |||
* [http://tonalsoft.com/enc/d/diesis.aspx Tonalsoft Encyclopedia | ''Diesis''] | |||
{{Disambiguation}} | {{Disambiguation}} | ||
[[Category:Terms]] | [[Category:Terms]] | ||