Magic family: Difference between revisions
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The '''magic family''' of temperaments tempers out [[3125/3072]], the small diesis or magic comma. The septimal version of magic is optimal, for some searches, in the [[9-odd-limit]]. It has slightly higher complexity than [[meantone]] and is also closer to just intonation. It is the simplest rank-2 temperament that tunes every 9-odd-limit interval better than is possible in [[12edo]]. The most prominent deficiency is that it lacks [[Rothenberg propriety|proper]] or nearly-proper [[MOS scale]]s in the 5- to 10-note region. Properties may depend on tuning and extension. | The '''magic family''' of temperaments tempers out [[3125/3072]], the small diesis or magic comma. The septimal version of magic is optimal, for some searches, in the [[9-odd-limit]]. It has slightly higher complexity than [[meantone]] and is also closer to just intonation. It is the simplest rank-2 temperament that tunes every 9-odd-limit interval better than is possible in [[12edo]]. The most prominent deficiency is that it lacks [[Rothenberg propriety|proper]] or nearly-proper [[MOS scale]]s in the 5- to 10-note region. Properties may depend on tuning and extension. | ||
Apart from magic, we also consider other extensions. The second comma of the [[Normal lists #Normal interval list|normal comma list]] defines which 7-limit family member we are looking at. [[875/864]], the keemic comma, gives septimal magic, and [[525/512]], Avicenna's enharmonic diesis, gives his annoying brother muggles. Both use the major third as a generator. Weak extensions include astrology, spell, hocum, trismegistus, and | Apart from magic, we also consider other extensions. The second comma of the [[Normal lists #Normal interval list|normal comma list]] defines which 7-limit family member we are looking at. [[875/864]], the keemic comma, gives septimal magic, and [[525/512]], Avicenna's enharmonic diesis, gives his annoying brother muggles. Both use the major third as a generator. Weak extensions include astrology, spell, hocum, trismegistus, quadrimage, and warlock. | ||
== Magic == | == Magic == | ||
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[[Mapping]]: [{{val| 5 0 10 14 }}, {{val| 0 5 1 0 }}] | [[Mapping]]: [{{val| 5 0 10 14 }}, {{val| 0 5 1 0 }}] | ||
Mapping generators: ~8/7, ~5/4 | |||
[[POTE generator]]: ~5/4 = 379.7131 | [[POTE generator]]: ~5/4 = 379.7131 | ||