Perfect fourth: Difference between revisions
mNo edit summary |
added lynx |
||
| Line 27: | Line 27: | ||
Other "out of tune" fourths in higher [[prime limit|limits]] include: | Other "out of tune" fourths in higher [[prime limit|limits]] include: | ||
* The 5-limit '''acute fourth''' is a ratio of 27/20, and is about 520{{c}} | * The 5-limit '''acute fourth''' is a ratio of [[27/20]], and is about 520{{c}} | ||
* The 7-limit '''subfourth''' is a ratio of 21/16, and is about 471{{c}}. | * The 7-limit '''subfourth''' is a ratio of [[21/16]], and is about 471{{c}}. | ||
* The 11-limit '''augmented fourth''' is a ratio of 15/11, and is about 537{{c}}. | * The 11-limit '''augmented fourth''' is a ratio of [[15/11]], and is about 537{{c}}, and may better be analyzed as a [[superfourth]]. | ||
** There is also an 11-limit '''grave fourth,''' which is a ratio of 33/25, and is about 480{{c}}. | ** There is also an 11-limit '''grave fourth,''' which is a ratio of [[33/25]], and is about 480{{c}}. | ||
* The 13-limit '''infrafourth''' is a ratio of 13/10, and is about 454{{c}}, but it might be better analyzed as an [[major third|ultramajor third]]. Despite that, it is also here for completeness. | * The 13-limit '''infrafourth''' is a ratio of [[13/10]], and is about 454{{c}}, but it might be better analyzed as an [[major third|ultramajor third]]. Despite that, it is also here for completeness. | ||
=== By delta === | === By delta === | ||