29ed4
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Prime factorization
29 (prime)
Step size
82.7586¢
Octave
15\29ed4 (1241.38¢)
Twelfth
23\29ed4 (1903.45¢)
(convergent)
Consistency limit
1
Distinct consistency limit
1
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← 27ed4 | 29ed4 | 31ed4 → |
(convergent)
29 equal divisions of the 4th harmonic (abbreviated 29ed4) is a nonoctave tuning system that divides the interval of 4/1 into 29 equal parts of about 82.8 ¢ each. Each step represents a frequency ratio of 41/29, or the 29th root of 4.
Intervals
Steps | Cents | Approximate ratios |
---|---|---|
0 | 0 | 1/1 |
1 | 82.8 | 22/21, 23/22 |
2 | 165.5 | 21/19, 23/21 |
3 | 248.3 | 15/13, 22/19 |
4 | 331 | 23/19 |
5 | 413.8 | 19/15 |
6 | 496.6 | |
7 | 579.3 | 7/5 |
8 | 662.1 | 19/13, 22/15 |
9 | 744.8 | 17/11, 23/15 |
10 | 827.6 | 21/13 |
11 | 910.3 | 22/13 |
12 | 993.1 | 23/13 |
13 | 1075.9 | 13/7 |
14 | 1158.6 | |
15 | 1241.4 | |
16 | 1324.1 | 15/7 |
17 | 1406.9 | |
18 | 1489.7 | |
19 | 1572.4 | |
20 | 1655.2 | 13/5 |
21 | 1737.9 | 19/7 |
22 | 1820.7 | |
23 | 1903.4 | 3/1 |
24 | 1986.2 | 19/6, 22/7 |
25 | 2069 | 23/7 |
26 | 2151.7 | |
27 | 2234.5 | |
28 | 2317.2 | 19/5, 23/6 |
29 | 2400 |
Harmonics
Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +41.4 | +1.5 | +0.0 | +27.5 | -39.9 | +24.3 | +41.4 | +3.0 | -13.9 | -13.4 | +1.5 |
Relative (%) | +50.0 | +1.8 | +0.0 | +33.2 | -48.2 | +29.3 | +50.0 | +3.6 | -16.8 | -16.2 | +1.8 | |
Steps (reduced) |
15 (15) |
23 (23) |
29 (0) |
34 (5) |
37 (8) |
41 (12) |
44 (15) |
46 (17) |
48 (19) |
50 (21) |
52 (23) |
Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +28.4 | -17.1 | +29.0 | +0.0 | -22.2 | -38.4 | +33.5 | +27.5 | +25.8 | +28.0 | +33.8 |
Relative (%) | +34.4 | -20.7 | +35.0 | +0.0 | -26.8 | -46.4 | +40.5 | +33.2 | +31.1 | +33.8 | +40.8 | |
Steps (reduced) |
54 (25) |
55 (26) |
57 (28) |
58 (0) |
59 (1) |
60 (2) |
62 (4) |
63 (5) |
64 (6) |
65 (7) |
66 (8) |