User:MisterShafXen/64edo

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← 63edo 64edo 65edo →
Prime factorization 26
Step size 18.75 ¢ 
Fifth 37\64 (693.75 ¢)
Semitones (A1:m2) 3:7 (56.25 ¢ : 131.3 ¢)
Dual sharp fifth 38\64 (712.5 ¢) (→ 19\32)
Dual flat fifth 37\64 (693.75 ¢)
Dual major 2nd 11\64 (206.25 ¢)
Consistency limit 3
Distinct consistency limit 3

64 equal divisions of the octave (abbreviated 64edo or 64ed2), also called 64-tone equal temperament (64tet) or 64 equal temperament (64et) when viewed under a regular temperament perspective, is the tuning system that divides the octave into 64 equal parts of about 18.8 ¢ each. Each step represents a frequency ratio of 21/64, or the 64th root of 2.

Intervals

Steps Cents Approximate ratios Ups and downs notation
(Dual flat fifth 37\64)
Ups and downs notation
(Dual sharp fifth 38\64)
0 0 1/1 D D
1 18.8 ^D, E♭♭♭ ^D, vE♭
2 37.5 vD♯, ^E♭♭♭ ^^D, E♭
3 56.3 30/29, 31/30, 32/31 D♯, vE♭♭ ^3D, ^E♭
4 75 ^D♯, E♭♭ ^4D, ^^E♭
5 93.8 vD𝄪, ^E♭♭ ^5D, ^3E♭
6 112.5 16/15, 31/29 D𝄪, vE♭ v4D♯, ^4E♭
7 131.3 14/13 ^D𝄪, E♭ v3D♯, v5E
8 150 12/11 vD♯𝄪, ^E♭ vvD♯, v4E
9 168.8 32/29 D♯𝄪, vE vD♯, v3E
10 187.5 29/26 E D♯, vvE
11 206.3 ^E, F♭♭ ^D♯, vE
12 225 vE♯, ^F♭♭ E
13 243.8 15/13, 23/20 E♯, vF♭ ^E, vF
14 262.5 ^E♯, F♭ F
15 281.3 20/17 vE𝄪, ^F♭ ^F, vG♭
16 300 19/16 E𝄪, vF ^^F, G♭
17 318.8 F ^3F, ^G♭
18 337.5 17/14, 28/23 ^F, G♭♭♭ ^4F, ^^G♭
19 356.3 16/13 vF♯, ^G♭♭♭ ^5F, ^3G♭
20 375 F♯, vG♭♭ v4F♯, ^4G♭
21 393.8 ^F♯, G♭♭ v3F♯, v5G
22 412.5 19/15 vF𝄪, ^G♭♭ vvF♯, v4G
23 431.3 F𝄪, vG♭ vF♯, v3G
24 450 ^F𝄪, G♭ F♯, vvG
25 468.8 21/16 vF♯𝄪, ^G♭ ^F♯, vG
26 487.5 F♯𝄪, vG G
27 506.2 G ^G, vA♭
28 525 19/14, 23/17 ^G, A♭♭♭ ^^G, A♭
29 543.8 26/19 vG♯, ^A♭♭♭ ^3G, ^A♭
30 562.5 29/21 G♯, vA♭♭ ^4G, ^^A♭
31 581.3 7/5 ^G♯, A♭♭ ^5G, ^3A♭
32 600 vG𝄪, ^A♭♭ v4G♯, ^4A♭
33 618.8 10/7 G𝄪, vA♭ v3G♯, v5A
34 637.5 ^G𝄪, A♭ vvG♯, v4A
35 656.3 19/13 vG♯𝄪, ^A♭ vG♯, v3A
36 675 28/19, 31/21, 34/23 G♯𝄪, vA G♯, vvA
37 693.8 A ^G♯, vA
38 712.5 ^A, B♭♭♭ A
39 731.3 29/19, 32/21 vA♯, ^B♭♭♭ ^A, vB♭
40 750 A♯, vB♭♭ ^^A, B♭
41 768.8 ^A♯, B♭♭ ^3A, ^B♭
42 787.5 30/19 vA𝄪, ^B♭♭ ^4A, ^^B♭
43 806.3 A𝄪, vB♭ ^5A, ^3B♭
44 825 ^A𝄪, B♭ v4A♯, ^4B♭
45 843.7 13/8, 31/19 vA♯𝄪, ^B♭ v3A♯, v5B
46 862.5 23/14, 28/17 A♯𝄪, vB vvA♯, v4B
47 881.2 B vA♯, v3B
48 900 32/19 ^B, C♭♭ A♯, vvB
49 918.8 17/10 vB♯, ^C♭♭ ^A♯, vB
50 937.5 B♯, vC♭ B
51 956.3 26/15 ^B♯, C♭ ^B, vC
52 975 vB𝄪, ^C♭ C
53 993.8 B𝄪, vC ^C, vD♭
54 1012.5 C ^^C, D♭
55 1031.3 29/16 ^C, D♭♭♭ ^3C, ^D♭
56 1050 11/6 vC♯, ^D♭♭♭ ^4C, ^^D♭
57 1068.8 13/7 C♯, vD♭♭ ^5C, ^3D♭
58 1087.5 15/8 ^C♯, D♭♭ v4C♯, ^4D♭
59 1106.3 vC𝄪, ^D♭♭ v3C♯, v5D
60 1125 C𝄪, vD♭ vvC♯, v4D
61 1143.8 29/15, 31/16 ^C𝄪, D♭ vC♯, v3D
62 1162.5 vC♯𝄪, ^D♭ C♯, vvD
63 1181.3 C♯𝄪, vD ^C♯, vD
64 1200 2/1 D D

Harmonics

Approximation of prime harmonics in 64edo
Harmonic 2 3 5 7 11 13 17 19 23 29 31 37 41 43 47 53 59 61 67 71 73 79 83 89 97 101 103 107 109 113 127 131 137 139 149 151 157 163 167 173 179 181 191 193 197 199 211 223 227 229 233 239 241 251
Error Absolute (¢) +0.00 -8.21 +7.44 +6.17 -7.57 +3.22 +7.54 +2.49 +9.23 +1.67 -1.29 -7.59 +2.19 -5.27 -9.26 +7.75 -9.17 +8.12 -4.31 +7.80 -2.79 -8.29 -0.05 -8.38 -7.40 -2.35 +1.20 -8.51 -3.07 -9.21 -5.17 -2.61 -5.14 +7.27 -0.50 -4.84 +2.71 -5.97 +8.30 +3.45 +0.67 +0.18 +0.84 +1.55 +3.54 +4.80 -2.82 -4.83 +1.89 +5.46 -5.77 +6.46 -7.97 -3.35
Relative (%) +0.0 -43.8 +39.7 +32.9 -40.4 +17.2 +40.2 +13.3 +49.2 +8.9 -6.9 -40.5 +11.7 -28.1 -49.4 +41.3 -48.9 +43.3 -23.0 +41.6 -14.9 -44.2 -0.3 -44.7 -39.4 -12.6 +6.4 -45.4 -16.4 -49.1 -27.6 -13.9 -27.4 +38.8 -2.7 -25.8 +14.4 -31.9 +44.3 +18.4 +3.6 +1.0 +4.5 +8.3 +18.9 +25.6 -15.0 -25.8 +10.1 +29.1 -30.8 +34.5 -42.5 -17.9
Steps
(reduced)
64
(0)
101
(37)
149
(21)
180
(52)
221
(29)
237
(45)
262
(6)
272
(16)
290
(34)
311
(55)
317
(61)
333
(13)
343
(23)
347
(27)
355
(35)
367
(47)
376
(56)
380
(60)
388
(4)
394
(10)
396
(12)
403
(19)
408
(24)
414
(30)
422
(38)
426
(42)
428
(44)
431
(47)
433
(49)
436
(52)
447
(63)
450
(2)
454
(6)
456
(8)
462
(14)
463
(15)
467
(19)
470
(22)
473
(25)
476
(28)
479
(31)
480
(32)
485
(37)
486
(38)
488
(40)
489
(41)
494
(46)
499
(51)
501
(53)
502
(54)
503
(55)
506
(58)
506
(58)
510
(62)