247edt: Difference between revisions

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{{Infobox ET}}
{{Infobox ET}}
'''247 equal divisions of the tritave''' ('''247edt''') is the [[nonoctave]] [[tuning system]] derived by dividing the [[tritave]] (3/1) into 247 equal steps of 7.7 [[cent]]s each.


== Harmonics ==
== Harmonics ==

Revision as of 19:03, 14 May 2024

← 246edt 247edt 248edt →
Prime factorization 13 × 19
Step size 7.70022 ¢ 
Octave 156\247edt (1201.23 ¢) (→ 12\19edt)
Consistency limit 6
Distinct consistency limit 6

247 equal divisions of the tritave (247edt) is the nonoctave tuning system derived by dividing the tritave (3/1) into 247 equal steps of 7.7 cents each.

Harmonics

Approximation of harmonics in 247edt
Harmonic 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16
Error Absolute (¢) +1.23 +0.00 +2.47 +1.17 +1.23 -3.83 +3.70 +0.00 +2.40 -0.90 +2.47 +2.50 -2.59 +1.17 -2.76
Relative (%) +16.0 +0.0 +32.1 +15.2 +16.0 -49.7 +48.1 +0.0 +31.2 -11.7 +32.1 +32.5 -33.7 +15.2 -35.9
Steps
(reduced)
156
(156)
247
(0)
312
(65)
362
(115)
403
(156)
437
(190)
468
(221)
494
(0)
518
(24)
539
(45)
559
(65)
577
(83)
593
(99)
609
(115)
623
(129)