22ed5/2
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Prime factorization
2 × 11
Step size
72.1052¢
Octave
17\22ed5/2 (1225.79¢)
Twelfth
26\22ed5/2 (1874.73¢) (→13\11ed5/2)
Consistency limit
2
Distinct consistency limit
2
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← 21ed5/2 | 22ed5/2 | 23ed5/2 → |
22 equal divisions of 5/2 (abbreviated 22ed5/2) is a nonoctave tuning system that divides the interval of 5/2 into 22 equal parts of about 72.1 ¢ each. Each step represents a frequency ratio of (5/2)1/22, or the 22nd root of 5/2.
Intervals
Steps | Cents | Approximate Ratios |
---|---|---|
0 | 0 | 1/1 |
1 | 72.105 | 25/24 |
2 | 144.21 | 12/11, 13/12, 23/21 |
3 | 216.316 | 17/15, 25/22 |
4 | 288.421 | 13/11 |
5 | 360.526 | 21/17 |
6 | 432.631 | 23/18 |
7 | 504.736 | |
8 | 576.841 | 7/5 |
9 | 648.947 | 19/13 |
10 | 721.052 | |
11 | 793.157 | 11/7, 19/12 |
12 | 865.262 | |
13 | 937.367 | 12/7, 19/11 |
14 | 1009.472 | 25/14 |
15 | 1081.578 | 13/7 |
16 | 1153.683 | |
17 | 1225.788 | |
18 | 1297.893 | |
19 | 1369.998 | 11/5 |
20 | 1442.103 | |
21 | 1514.209 | 12/5 |
22 | 1586.314 | 5/2 |
Harmonics
Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +25.8 | -27.2 | -20.5 | +25.8 | -1.4 | +20.1 | +5.3 | +17.7 | -20.5 | +30.8 | +24.4 |
Relative (%) | +35.8 | -37.8 | -28.5 | +35.8 | -2.0 | +27.9 | +7.3 | +24.5 | -28.5 | +42.7 | +33.8 | |
Steps (reduced) |
17 (17) |
26 (4) |
33 (11) |
39 (17) |
43 (21) |
47 (3) |
50 (6) |
53 (9) |
55 (11) |
58 (14) |
60 (16) |
Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +30.0 | -26.2 | -1.4 | +31.0 | -1.8 | -28.7 | +22.0 | +5.3 | -7.1 | -15.5 | -20.4 |
Relative (%) | +41.6 | -36.3 | -2.0 | +43.1 | -2.5 | -39.7 | +30.4 | +7.3 | -9.9 | -21.5 | -28.3 | |
Steps (reduced) |
62 (18) |
63 (19) |
65 (21) |
67 (1) |
68 (2) |
69 (3) |
71 (5) |
72 (6) |
73 (7) |
74 (8) |
75 (9) |