31edo: Difference between revisions
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* 17 is sharp, like 13. In fact, the 17:13 ratio is matched within a tenth of a cent. | * 17 is sharp, like 13. In fact, the 17:13 ratio is matched within a tenth of a cent. | ||
* 19 is also sharp, like 13 and 17. The 19:17 ratio is about one cent sharp. 31edo could be considered a tuning of the 2.5.7.13.17.19 subgroup, on which it is consistent (see [ | * 19 is also sharp, like 13 and 17. The 19:17 ratio is about one cent sharp. 31edo could be considered a tuning of the 2.5.7.13.17.19 subgroup, on which it is consistent (see [[Subgroup temperaments#Mercy|mercy temperament]]). | ||
* 23 is about as flat as 11. The chromatic semitone is about half a cent off from 23:22. 31edo could be considered a tuning of the 2.3.5.7.11.23 subgroup, on which it is consistent. | * 23 is about as flat as 11. The chromatic semitone is about half a cent off from 23:22. 31edo could be considered a tuning of the 2.3.5.7.11.23 subgroup, on which it is consistent. | ||
* 27 is quite flat, as it's 3^3 and the error from the meantone fifths accumulates. | * 27 is quite flat, as it's 3^3 and the error from the meantone fifths accumulates. | ||