Meantone family: Difference between revisions
m Units |
Cleanup on the opening sections |
||
Line 6: | Line 6: | ||
}} | }} | ||
{{Technical data page}} | {{Technical data page}} | ||
The '''meantone family''' is the family of rank-2 | The '''meantone family''' is the family of [[rank-2 temperament]]s that [[tempering out|temper out]] the syntonic comma, [[81/80]], and thus can all be seen as [[extension]]s of [[meantone]]. | ||
== Meantone == | == Meantone == | ||
{{Main| Meantone }} | {{Main| Meantone }} | ||
Meantone is characterized by an [[2/1|octave]] [[period]], a [[3/2|fifth]] [[generator]], and the relationship that four fifths go to make up a [[5/1|5th harmonic]]. | |||
[[Subgroup]]: 2.3.5 | [[Subgroup]]: 2.3.5 | ||
Line 37: | Line 39: | ||
[[Badness]] (Smith): 0.007381 | [[Badness]] (Smith): 0.007381 | ||
=== | === Overview to extensions === | ||
The second comma of the normal comma list defines which [[7-limit]] family member we are looking at. | The second comma of the normal comma list defines which [[7-limit]] family member we are looking at. | ||
* Flattertone adds {{monzo| -24 17 0 -1 }}, finding the ~7/4 at the double-augmented sixth | * Flattertone adds {{monzo| -24 17 0 -1 }}, finding the [[~]][[7/4]] at the double-augmented sixth, for a tuning between flat of 26edo. | ||
* Flattone adds {{monzo| -17 9 0 1 }}, finding the ~7/4 at the diminished seventh, | * Flattone adds {{monzo| -17 9 0 1 }}, finding the ~7/4 at the diminished seventh, for a tuning between 26edo and 19edo. | ||
* Septimal meantone adds [[Harrison's comma|{{monzo| -13 10 0 -1 }}]], finding the ~ | * Septimal meantone adds [[Harrison's comma|{{monzo| -13 10 0 -1 }}]], finding the ~7/4 at the augmented sixth, for a tuning between 19edo and 12edo. | ||
* Dominant adds [[64/63|{{monzo| 6 -2 0 -1 }}]], finding the ~7/4 at the minor seventh | * Dominant adds [[64/63|{{monzo| 6 -2 0 -1 }}]], finding the ~7/4 at the minor seventh, for a tuning between 12edo and 5edo. | ||
* Sharptone adds [[28/27|{{monzo| 2 -3 0 1 }}]], finding the ~7/4 at the major sixth | * Sharptone adds [[28/27|{{monzo| 2 -3 0 1 }}]], finding the ~7/4 at the major sixth, for an [[exotemperament]] never exactly well-tuned, and where 5edo is the only [[diamond monotone]] tuning, with a terrible 5-limit part. | ||
Those all have a fifth as generator. | Those all have a fifth as generator. | ||
* Injera adds {{monzo| -7 8 0 -2 }} with a half-octave period. | * Injera adds {{monzo| -7 8 0 -2 }} with a half-octave period. |