245/243: Difference between revisions
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| Monzo = 0 -5 1 2 | | Monzo = 0 -5 1 2 | ||
| Cents = 14.19052 | | Cents = 14.19052 | ||
| Name = | | Name = sensamagic comma | ||
| Color name = zzy2, zozoyo 2nd | | Color name = zzy2, zozoyo 2nd | ||
| Sound = | | Sound = | ||
}} | }} | ||
'''245/243''', the '''sensamagic comma''' is a [[7-limit]] ratio of 14.2 cents. It is amount by which two septimal major thirds | '''245/243''', the '''sensamagic comma''', is a [[7-limit]] ratio of 14.2 cents. It is the amount by which two [[9/7|septimal major thirds (9/7)]] fall short of a [[5/3|classic major sixth (5/3)]], or the difference between [[28/27]] and [[36/35]]. | ||
== Temperaments == | |||
Tempering it out leads to the [[sensamagic family]] of temperaments, where 5/3 is split into two equal parts, each representing 9/7~[[35/27]], and may be extended to represent higher-limit ratios like [[13/10]], [[22/17]], etc. It enables [[sensamagic chords]] as well. | |||
== See also == | == See also == | ||
* [[Sensamagic family]], the rank-3 family where it is tempered out | |||
* [[ | * [[Sensamagic clan]], the rank-2 clan where it is tempered out | ||
* [[Sensamagic chords]] | |||
* [[Small comma]] | |||
* [[Gallery of just intervals]] | * [[Gallery of just intervals]] | ||
Revision as of 14:30, 16 April 2021
| Interval information |
245/243, the sensamagic comma, is a 7-limit ratio of 14.2 cents. It is the amount by which two septimal major thirds (9/7) fall short of a classic major sixth (5/3), or the difference between 28/27 and 36/35.
Temperaments
Tempering it out leads to the sensamagic family of temperaments, where 5/3 is split into two equal parts, each representing 9/7~35/27, and may be extended to represent higher-limit ratios like 13/10, 22/17, etc. It enables sensamagic chords as well.
See also
- Sensamagic family, the rank-3 family where it is tempered out
- Sensamagic clan, the rank-2 clan where it is tempered out
- Sensamagic chords
- Small comma
- Gallery of just intervals