A-team: Difference between revisions

Inthar (talk | contribs)
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Inthar (talk | contribs)
Tags: Mobile edit Mobile web edit
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In general sharper subfourths are better if you don't care about approximating 5/4 and only care about optimizing the 4:9:21 triad.  Apart from that, there's no common JI interpretation shared by these sharper tunings. One tradeoff is that small steps in the oneirotonic scale get smaller than 1/3-tones (as in 18edo) and become quarter-tones (as in 23edo) and thus become less melodically recognizable.
In general sharper subfourths are better if you don't care about approximating 5/4 and only care about optimizing the 4:9:21 triad.  Apart from that, there's no common JI interpretation shared by these sharper tunings. One tradeoff is that small steps in the oneirotonic scale get smaller than 1/3-tones (as in 18edo) and become quarter-tones (as in 23edo) and thus become less melodically recognizable.


[[23edo]] (469.57 cents) and [[41edo]] (468.29 cents): two tones represent 14/11, rather than 5/4, and J-O# (4 large steps + 1 small step) becomes a 5/3 rather than a 13/8.
[[23edo]] (469.57 cents) and [[41edo]] (468.29 cents): two tones represent 14/11 rather than 5/4, and J-O# (4 large steps + 1 small step) becomes a 5/3 rather than a 13/8.


[[18edo]] (466.67 cents) is an edge case, as it tempers out 81/80 but fails to approximate more diverse intervals with the same identifications used by 13edo, 44edo or 23edo. 18edo's oneirotonic is analogous to 17edo's diatonic scale in that L/s = 3, while 13edo is analogous to 12edo.
[[18edo]] (466.67 cents) is an edge case, as it tempers out 81/80 but fails to approximate more diverse intervals with the same identifications used by 13edo, 44edo or 23edo. 18edo's oneirotonic is analogous to 17edo's diatonic scale in that L/s = 3, while 13edo is analogous to 12edo.