Immunity comma: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Ratio = 1638400/1594323
| Ratio = 1638400/1594323
| Monzo = 16-13 2
| Name = immunity comma
| Name = immunity comma, <br> sosoyoyo
| Color name = ssyy2, Sasa-yoyo comma
| Cents = 47.21242
| Comma = yes
}}
}}
The '''immunity comma''' ('''1638400/1594323''' = {{monzo| 16-13 2 }}) is a 5-limit [[medium comma]] of about 47.2 [[cent]]s. [[Tempering out]] this comma leads to [[Immunity family]].
The '''immunity comma''' ({{monzo|legend=1| 16 -13 2 }}, [[ratio]]: 1638400/1594323) is a [[Medium comma|medium]] [[5-limit]] [[comma]] of about 47.2 [[cent]]s. It is the difference between the [[256/243|Pythagorean diatonic semitone (256/243)]] and a stack of two [[syntonic comma]]s, or between a [[25/24|diptolemaic chromatic semitone (25/24)]] and a [[Pythagorean comma]].
 
== Temperaments ==
[[Tempering out]] this comma leads to the [[immunity family]] of temperaments. These temperaments offer [[interseptimal interval|hemifourths and hemitwelfths]] as a result of dividing the diatonic semitone in equal halves.  
 
== Etymology ==
This comma was named by [[Mike Battaglia]] in 2011 such that the corresponding temperament is paired with [[amity]]<ref>[https://yahootuninggroupsultimatebackup.github.io/tuning/topicId_99315.html#99323 Yahoo! Tuning Group| ''Some new 5-limit microtemperaments'']</ref><ref>[https://yahootuninggroupsultimatebackup.github.io/tuning/topicId_99763.html#99794 Yahoo! Tuning Group| ''Names for forgotten or unclassified temperaments'']</ref>.
 
<blockquote>Perhaps "Immunity," because it's a counterpart to Amity or something like that. </blockquote>
—Mike Battaglia
 
== See also ==
* [[Syntonic-diatonic equivalence continuum]]
 
== Notes ==


[[Category:5-limit]]
[[Category:Medium comma]]
[[Category:Immunity]]
[[Category:Immunity]]
 
[[Category:Commas named for their regular temperament properties]]
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