121/120: Difference between revisions

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In [[Just Intonation]], '''121/120''', otherwise known as the '''biyatisma''', or '''undecimal seconds comma''', is a [[superparticular]] interval of around 14.4¢ which makes the difference between two undecimal neutral seconds of [[11/10]] and [[12/11]]. Temperaments in which 121/120 is tempered out include ~~[[15edo~~|15]], ~~[[22edo|~~22]], ~~[[29edo|~~29]], ~~[[31edo|~~31]], ~~[[46edo|~~46]], ~~[[53edo|~~53]] EDOs and others; in such systems, 11/10 and 12/11 are equated. This is in contrast to the more familiar tempering out of [[81/80]], which results in meantone and other temperaments, in which [[10/9]] is equated with [[9/8]]. Along with being the difference between 11/10 and 12/11, 121/120 is the difference between [[11/8]] and [[15/11]], so that tempering out 121/120 allows for the [[Dyadic chord|dyadic triad]] which has intervals of 11/8, 11/8, and 16/15 ([[Biyatismic chords~~|biyatismic triad~~]]).

In [[Just Intonation]], '''121/120''', otherwise known as the '''biyatisma''', or '''undecimal seconds comma''', is a [[superparticular]] interval of around 14.4¢ which makes the difference between two undecimal neutral seconds of [[11/10]] and [[12/11]]. Temperaments in which 121/120 is tempered out include {{EDOs| 15, 22, 29, 31, 46, 53 }} EDOs and others; in such systems, 11/10 and 12/11 are equated. This is in contrast to the more familiar tempering out of [[81/80]], which results in meantone and other temperaments, in which [[10/9]] is equated with [[9/8]]. Along with being the difference between 11/10 and 12/11, 121/120 is the difference between [[11/8]] and [[15/11]], so that tempering out 121/120 allows for the [[Dyadic chord|dyadic triad]] which has intervals of 11/8, 11/8, and 16/15 ([[Biyatismic chords]]).

== See also ==

* [[Biyatismic chords]]

* [[Small comma]]

* [[List of superparticular intervals]]

~~See: [[Gallery of Just Intervals]]~~

[[Category:11-limit]]

[[Category:~~superparticular~~]]

[[Category:Small comma]]

[[Category:Superparticular]]

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-In [[Just Intonation]], '''121/120''', otherwise known as the '''biyatisma''', or '''undecimal seconds comma''', is a [[superparticular]] interval of around 14.4¢ which makes the difference between two undecimal neutral seconds of [[11/10]] and [[12/11]]. Temperaments in which 121/120 is tempered out include [[15edo|15]], [[22edo|22]], [[29edo|29]], [[31edo|31]], [[46edo|46]], [[53edo|53]] EDOs and others; in such systems, 11/10 and 12/11 are equated. This is in contrast to the more familiar tempering out of [[81/80]], which results in meantone and other temperaments, in which [[10/9]] is equated with [[9/8]]. Along with being the difference between 11/10 and 12/11, 121/120 is the difference between [[11/8]] and  [[15/11]], so that tempering out 121/120 allows for the [[Dyadic chord|dyadic triad]] which has intervals of 11/8, 11/8, and 16/15 ([[Biyatismic chords|biyatismic triad]]).
+In [[Just Intonation]], '''121/120''', otherwise known as the '''biyatisma''', or '''undecimal seconds comma''', is a [[superparticular]] interval of around 14.4¢ which makes the difference between two undecimal neutral seconds of [[11/10]] and [[12/11]]. Temperaments in which 121/120 is tempered out include {{EDOs| 15, 22, 29, 31, 46, 53 }} EDOs and others; in such systems, 11/10 and 12/11 are equated. This is in contrast to the more familiar tempering out of [[81/80]], which results in meantone and other temperaments, in which [[10/9]] is equated with [[9/8]]. Along with being the difference between 11/10 and 12/11, 121/120 is the difference between [[11/8]] and [[15/11]], so that tempering out 121/120 allows for the [[Dyadic chord|dyadic triad]] which has intervals of 11/8, 11/8, and 16/15 ([[Biyatismic chords]]).
+== See also ==
+* [[Biyatismic chords]]
+* [[Small comma]]
+* [[List of superparticular intervals]]
-See: [[Gallery of Just Intervals]]
 [[Category:11-limit]]
-[[Category:superparticular]]
+[[Category:Small comma]]
+[[Category:Superparticular]]