Immunity comma: Difference between revisions

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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 two [[81/80|syntonic commas (81/80)]] and a [[256/243|Pythagorean diatonic semitone (256/243)]], or between a [[25/24|classic chromatic semitone (25/24)]] and a [[Pythagorean comma|Pythagorean comma (monzo: [-19 12⟩, ratio: 531441/524288)]].  
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 ==
== Temperaments ==
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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>.  
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>.  


: {| class="toccolours"
<blockquote>Perhaps "Immunity," because it's a counterpart to Amity or something like that. </blockquote>
| <blockquote>Perhaps "Immunity," because it's a counterpart to Amity or something like that. </blockquote>
—Mike Battaglia
 
&ndash; Mike Battaglia
|}


== See also ==
== See also ==
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[[Category:Immunity]]
[[Category:Immunity]]
[[Category:Commas named for their regular temperament properties]]