14ed12
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← 13ed12 | 14ed12 | 15ed12 → |
14 equal divisions of the 12th harmonic (abbreviated 14ed12) is a nonoctave tuning system that divides the interval of 12/1 into 14 equal parts of about 307 ¢ each. Each step represents a frequency ratio of 121/14, or the 14th root of 12.
Interval table
Steps | Cents | Approximate ratios |
---|---|---|
0 | 0 | 1/1 |
1 | 307.3 | 6/5, 19/16, 23/19 |
2 | 614.6 | 10/7, 13/9, 17/12, 23/16 |
3 | 921.8 | 12/7, 17/10 |
4 | 1229.1 | |
5 | 1536.4 | 12/5, 17/7 |
6 | 1843.7 | 23/8 |
7 | 2151 | 7/2 |
8 | 2458.3 | |
9 | 2765.5 | 5/1 |
10 | 3072.8 | |
11 | 3380.1 | 7/1 |
12 | 3687.4 | 17/2 |
13 | 3994.7 | 10/1 |
14 | 4302 | 12/1 |
Harmonics
Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +29 | -58 | +58 | -21 | -29 | +11 | +87 | -117 | +8 | +151 | +0 |
Relative (%) | +9.5 | -19.0 | +19.0 | -6.8 | -9.5 | +3.7 | +28.4 | -37.9 | +2.7 | +49.0 | +0.0 | |
Steps (reduced) |
4 (4) |
6 (6) |
8 (8) |
9 (9) |
10 (10) |
11 (11) |
12 (12) |
12 (12) |
13 (13) |
14 (0) |
14 (0) |