Cotoneum: Difference between revisions
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| Odd limit 2 = 21 | Mistuning 2 = 2.48 | Complexity 2 = 176 | | Odd limit 2 = 21 | Mistuning 2 = 2.48 | Complexity 2 = 176 | ||
}} | }} | ||
'''Cotoneum''' is a [[rank]]-2 [[regular temperament|temperament]] for the 7- through 19-limit | '''Cotoneum''' is a [[rank]]-2 [[regular temperament|temperament]] for the 7- through 19-limit. The generator of cotoneum is a [[3/2|perfect fifth]] sharp by about 0.3–0.4 cents, and it maps [[8/7]] to the double-augmented unison (+14 fifths), [[tempering out]] the [[garischisma]]. However, unlike in [[garibaldi]], the schisma is not tempered out, meaning 5/4 is not found as a diminished fourth. Instead, 5/4 is found as a sextuple-diminished octave (−49 fifths). It is a weak extension of the [[2.5.7 subgroup|2.5.7-subgroup]] temperament [[mercy]], with its secor-sized generator mapped to the augmented unison. It is a member of the [[hemimage temperaments]], [[quince clan]], and [[garischismic clan]]. | ||
It can seen as a detemperament of [[41edo|41 equal temperament]], with the [[countercomp comma|41-comma]] shrunk down to about | It can seen as a detemperament of [[41edo|41 equal temperament]], with the [[countercomp comma|41-comma]] shrunk down to about 5–6 cents for a generic aberschisma, which represents the [[schisma]] and [[aberschisma]]. | ||
This generic aberschisma takes on more important roles from the 11-limit onwards, where it represents [[176/175]], [[243/242]], [[385/384]], [[540/539]] and [[896/891]]. In the 13-limit it represents [[352/351]], in the 17-limit [[273/272]], and in the 19-limit the undevicesimal schisma of [[513/512]]. | |||
[[217edo]] is an excellent tuning for cotoneum, with a fifth generator of 127\217, and [[mos scale]]s of 12, 17, 29, 41, 53, 94, 135, or 176 notes are available. | [[217edo]] is an excellent tuning for cotoneum, with a fifth generator of 127\217, and [[mos scale]]s of 12, 17, 29, 41, 53, 94, 135, or 176 notes are available. | ||
The temperament was named by [[ | The temperament was named by [[Xenllium]] in 2021. ''Cotoneum'' is Latin for "quince". | ||
For technical data, see [[Garischismic clan #Cotoneum]]. | For technical data, see [[Garischismic clan #Cotoneum]]. | ||
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{| class="wikitable center-1 right-2" | {| class="wikitable center-1 right-2" | ||
! | ! # | ||
! Cents | ! Cents* | ||
! Approximate | ! Approximate ratios | ||
|- | |- | ||
| 0 | | 0 | ||