135/128: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Icon =
| Ratio = 135/128
| Ratio = 135/128
| Monzo = -7 3 1
| Monzo = -7 3 1
| Cents = 92.17872
| Cents = 92.17872
| Name = pelogic comma, <br> major limma, <br> major chroma
| Name = pelogic comma, <br> major limma, <br> major chroma
| Color name = Ly1, layo unison,<br>Layobi comma
| Color name = Ly1, layo unison,<br>Layobi comma
| FJS name = A1<sup>5</sup>
| FJS name = A1<sup>5</sup>
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}}
}}


The 5-limit interval '''135/128''', about 92.2 [[cent]]s in size, is called the '''pelogic comma''', '''major limma''' or '''major chroma'''. It is a [[syntonic comma]] away from the pythagorean major semitone [[2187/2048]], and so is tuned justly in 1/7 comma meantone. Flattening by another syntonic comma reaches the even simpler [[25/24]].
The [[5-limit]] interval '''135/128''', about 92.2 [[cent]]s in size, is called the '''pelogic comma''', '''major limma''' or '''major chroma'''. It is a [[syntonic comma]] away from the pythagorean major semitone [[2187/2048]], and so is tuned justly in 1/7 comma meantone. Flattening by another syntonic comma reaches the even simpler [[25/24]].


As a [[comma]] it represents the difference between three [[4/3|perfect fourths]] and a [[5/4|just major third]] (plus an [[octave]]).
As a [[comma]] it represents the difference between three [[4/3|perfect fourths]] and a [[5/4|just major third]] (plus an [[octave]]).
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[[Category:5-limit]]
[[Category:5-limit]]
[[Category:Interval ratio]]
[[Category:Medium commas]]
[[Category:Medium commas]]
[[Category:Semitone]]
[[Category:Semitone]]
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[[Category:Pelogic]]
[[Category:Pelogic]]
[[Category:Meantone]]
[[Category:Meantone]]
[[Category:Todo:expand]]
 
{{todo|expand}}