51edo: Difference between revisions
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ArrowHead294 (talk | contribs) m Formatting + ups/downs notation |
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51 = 3 × 17, and 51edo shares its [[3/2|fifth]] with [[17edo]]. | 51 = 3 × 17, and 51edo shares its [[3/2|fifth]] with [[17edo]]. | ||
Using the [[patent val]], 51et [[tempering out|tempers out]] [[250/243]] in the [[5-limit]], [[225/224]] and [[2401/2400]] in the [[7-limit]], and [[55/54]] and [[100/99]] in the [[11-limit]]. It is the [[optimal patent val]] for [[sonic]], the rank-3 temperament tempering out 55/54, 100/99, and 250/243, and also for the rank-4 temperament tempering out 55/54. It provides an alternative tuning to [[22edo]] for [[porcupine]], with a nice fifth but a rather flat major third, and the optimal patent val for the 7- and 11-limit [[porky]] temperament, which is sonic plus 225/224. 51 contains an [[6L 1s | Using the [[patent val]], 51et [[tempering out|tempers out]] [[250/243]] in the [[5-limit]], [[225/224]] and [[2401/2400]] in the [[7-limit]], and [[55/54]] and [[100/99]] in the [[11-limit]]. It is the [[optimal patent val]] for [[sonic]], the rank-3 temperament tempering out 55/54, 100/99, and 250/243, and also for the rank-4 temperament tempering out 55/54. It provides an alternative tuning to [[22edo]] for [[porcupine]], with a nice fifth but a rather flat major third, and the optimal patent val for the 7- and 11-limit [[porky]] temperament, which is sonic plus 225/224. 51 contains an archeotonic [[6L 1s]] scale based on repetitions of 8\51, creating a scale with a whole-tone-like drive towards the tonic through the 17edo semitone at the top. | ||
Alternatively, using the 51c val {{val| 51 81 '''119''' 143 }}, the [[5/4]] is mapped to 1\3 (400 cents), [[support]]ing [[augmented]]. In the 7-limit it tempers out [[245/243]] and supports [[hemiaug]] and [[rodan]]. The 51cd val {{val| 51 81 '''119''' '''144''' }} takes the same [[7/4]] from 17edo, and supports [[augene]]. | Alternatively, using the 51c val {{val| 51 81 '''119''' 143 }}, the [[5/4]] is mapped to 1\3 (400 cents), [[support]]ing [[augmented]]. In the 7-limit it tempers out [[245/243]] and supports [[hemiaug]] and [[rodan]]. The 51cd val {{val| 51 81 '''119''' '''144''' }} takes the same [[7/4]] from 17edo, and supports [[augene]]. | ||
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! Degrees | ! Degrees | ||
! [[Cent]]s | ! [[Cent]]s | ||
! colspan="3" | [[Ups and | ! colspan="3" | [[Ups and downs notation]] | ||
|- | |- | ||
| 0 | | 0 | ||
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| 1029/1024, {{monzo| 17 -16 3 }} | | 1029/1024, {{monzo| 17 -16 3 }} | ||
| {{Mapping| 51 81 143 }} | | {{Mapping| 51 81 143 }} | ||
| | | −0.339 | ||
| 1.63 | | 1.63 | ||
| 6.92 | | 6.92 | ||
Line 412: | Line 412: | ||
| 128/125, {{monzo| -13 17 -6 }} | | 128/125, {{monzo| -13 17 -6 }} | ||
| {{Mapping| 51 81 119 }} (51c) | | {{Mapping| 51 81 119 }} (51c) | ||
| | | −2.789 | ||
| 2.41 | | 2.41 | ||
| 10.3 | | 10.3 |