31ed6

From Xenharmonic Wiki
Jump to navigation Jump to search
← 30ed6 31ed6 32ed6 →
Prime factorization 31 (prime)
Step size 100.063 ¢ 
Octave 12\31ed6 (1200.76 ¢)
(convergent)
Twelfth 19\31ed6 (1901.2 ¢)
(convergent)
Consistency limit 10
Distinct consistency limit 6

Division of the sixth harmonic into 31 equal parts (31ED6) is very nearly identical to 12 EDO, but with the 6/1 rather than the 2/1 being just. The octave is about 0.7568 cents stretched and the step size is about 100.0631 cents.

Harmonics

Approximation of harmonics in 31ed6
Harmonic 2 3 4 5 6 7 8 9 10 11 12
Error Absolute (¢) +0.76 -0.76 +1.51 +15.45 +0.00 +33.32 +2.27 -1.51 +16.21 -48.73 +0.76
Relative (%) +0.8 -0.8 +1.5 +15.4 +0.0 +33.3 +2.3 -1.5 +16.2 -48.7 +0.8
Steps
(reduced)
12
(12)
19
(19)
24
(24)
28
(28)
31
(0)
34
(3)
36
(5)
38
(7)
40
(9)
41
(10)
43
(12)

Division of 6/1 into 31 equal parts

Note: 31 equal divisions of the hexatave is not a "real" xenharmonic tuning; it is a slightly stretched version (with an octave of 1200.8 cents) of the normal 12-tone scale, similar to 19ED3.

See also