27/22: Difference between revisions

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mention its closeness to 13\44
 
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{{Infobox Interval
{{Infobox Interval
| Icon =
| Name = rastmic neutral third, Alpharabian tendoneutral third
| Ratio = 27/22
| Monzo = -1 3 0 0 -1
| Cents = 354.54706
| Name = rastmic neutral third, <br> Alpharabian tendoneutral third
| Color name = 1u3, lu 3rd
| Color name = 1u3, lu 3rd
| FJS name = M3<sub>11</sub>
| Sound = jid_27_22_pluck_adu_dr220.mp3
| Sound = jid_27_22_pluck_adu_dr220.mp3
}}
}}


'''27/22''', conventionally called the '''rastmic neutral third''', is [[243/242]] (7.1 cents) sharp of [[11/9]], and together with 11/9 makes [[3/2]], so that we obtain the two neutral triads, 1-11/9-3/2 and 1-27/22-3/2, with intervals of 11/9 and 27/22. It is the interval between [[10/9]] and [[15/11]], and 11/9 and [[3/2]] and their inversions.  As this is the larger of two [[11-limit]] neutral thirds obtained by modifying Pythagorean intervals by [[33/32]], it is dubbed the '''Alpharabian tendoneutral third''' in [[Alpharabian tuning]].
'''27/22''', conventionally called the '''rastmic neutral third''', is [[243/242]] (7.1{{cent}}) sharp of [[11/9]], and together with 11/9 makes [[3/2]], so that we obtain the two neutral triads, 1-11/9-3/2 and 1-27/22-3/2, with intervals of 11/9 and 27/22. It is the interval between [[10/9]] and [[15/11]], and 11/9 and [[3/2]] and their inversions.  As this is the larger of two [[11-limit]] neutral thirds obtained by modifying Pythagorean intervals by [[33/32]], it is dubbed the '''Alpharabian tendoneutral third''' in [[Alpharabian tuning]]. It is extremely close to [[44edo]]'s 13\44 neutral third, however the first multiple of 44edo to map it consistently is [[176edo]].
 
== Approximation ==
{{Interval edo approximation|27/22}}
== See also ==
== See also ==
* [[24edo]]
* [[24edo]]
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* [[Iceface Tuning]]
* [[Iceface Tuning]]


[[Category:11-limit]]
[[Category:Third]]
[[Category:Interval ratio]]
[[Category:Just interval]]
[[Category:Neutral third]]
[[Category:Neutral third]]
[[Category:Third]]
[[Category:Rastmic]]
[[Category:Rastmic]]
[[Category:Alpharabian]]
[[Category:Alpharabian]]