Meantone family: Difference between revisions
→19-limit: fix optimal tunings |
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=== Meanpop === | === Meanpop === | ||
{{See also| | {{See also| Huygens vs meanpop }} | ||
Meanpop<ref name="meantone & meanpop 2003"/><ref name="meantone & meanpop 2004"/> maps the 11/8 to the double-diminished fifth (C–G𝄫), and tridecimal meanpop maps the 13/8 to the double-augmented fifth (C–G𝄪), tempering out 144/143 like in grosstone. Note also 11/10 is a double-diminished third; 12/11~13/12, double-augmented unison; and 14/13, minor second. | Meanpop<ref name="meantone & meanpop 2003"/><ref name="meantone & meanpop 2004"/> maps the 11/8 to the double-diminished fifth (C–G𝄫), and tridecimal meanpop maps the 13/8 to the double-augmented fifth (C–G𝄪), tempering out 144/143 like in grosstone. Note also 11/10 is a double-diminished third; 12/11~13/12, double-augmented unison; and 14/13, minor second. | ||
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Badness (Sintel): 1.28 | Badness (Sintel): 1.28 | ||
=== Migration === | |||
See [[Rastmic clan #Migration|Rastmic clan]]. | |||
== Flattone == | == Flattone == | ||
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Badness (Sintel): 1.12 | Badness (Sintel): 1.12 | ||
=== 13-limit === | ==== 13-limit ==== | ||
Subgroup: 2.3.5.7.11.13 | Subgroup: 2.3.5.7.11.13 | ||
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Badness (Sintel): 0.920 | Badness (Sintel): 0.920 | ||
=== Ptolemy === | |||
See [[Rastmic clan #Ptolemy|Rastmic clan]]. | |||
== Dominant == | == Dominant == | ||
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Badness (Sintel): 0.864 | Badness (Sintel): 0.864 | ||
=== Neutrominant === | |||
See [[Rastmic clan #Neutrominant|Rastmic clan]]. | |||
== Flattertone == | == Flattertone == | ||
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{{Main| Mohajira }} | {{Main| Mohajira }} | ||
Mohajira can be viewed as derived from [[mohaha]] which maps the interval half a [[chromatic semitone|chroma]] flat of the minor seventh to ~7/4 so that 7/4 is mapped to a semidiminished seventh (C–Bdb), although mohajira really makes more sense as an 11-limit temperament. It tempers out 6144/6125, the [[porwell comma]]. It can be described as {{nowrap| 24 & 31 }}; its ploidacot is dicot. [[31edo]] makes for an excellent mohajira tuning, with generator 9\31. | Mohajira can be viewed as derived from [[mohaha]] which maps the interval half a [[chromatic semitone|chroma]] flat of the minor seventh to ~7/4 so that 7/4 is mapped to a semidiminished seventh (C–Bdb), although mohajira really makes more sense as an 11-limit temperament. It tempers out 6144/6125, the [[porwell comma]]. It can be described as {{nowrap| 24 & 31 }}; its ploidacot is dicot. [[31edo]] makes for an excellent mohajira tuning, with generator 9\31. Note that while 24 + 31 = [[55edo]] doesn't apear in the optimal ET sequence, it is a [[patent val]] tuning and recommendable if you prefer a light meantone tempering. | ||
[[Subgroup]]: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||