Comma and diesis: Difference between revisions

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: ''This article is about "comma" and "diesis" as interval regions. For other senses of these two words, see [[comma]] and [[diesis]].''
: ''This article is about "comma" and "diesis" as interval regions. For other senses of these two words, see [[comma]] and [[diesis]].''


"Comma" and "diesis" are two terms used to refer to intervals that are less than about 60{{cent}} in size.
"Comma" and "diesis" are two terms used to refer to intervals that are less than about 60{{cent}} in size. In terms of [[interval region]]s, "comma" refers to an interval flatter than about 30{{c}}, and "diesis" refers to an interval between about 30 and 60{{c}}.


"[[Comma]]" also refers to an interval that is tempered out by any given [[temperament]].  
"[[Comma]]" also refers to an interval that is tempered out by any given [[temperament]].  
In terms of [[interval region]]s, "comma" refers to an interval flatter than about 30{{c}}, and "diesis" refers to an interval between about 30 and 60{{c}}.


The range of dieses largely overlaps with the range of [[quartertone]]s (between 40 and 60{{c}}, reasonably mapped to 1/24edo), which, according to systems that determine consonance in terms of proximity to simple just ratios, is one of the most dissonant interval regions. This also corresponds to an [[interseptimal]] interval range. However, quarter tones are still covered here to provide a resource for them in the same format as the other interval region pages.  
The range of dieses largely overlaps with the range of [[quartertone]]s (between 40 and 60{{c}}, reasonably mapped to 1/24edo), which, according to systems that determine consonance in terms of proximity to simple just ratios, is one of the most dissonant interval regions. This also corresponds to an [[interseptimal]] interval range. However, quarter tones are still covered here to provide a resource for them in the same format as the other interval region pages.