49ed4
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Prime factorization
72
Step size
48.9796¢
Octave
25\49ed4 (1224.49¢)
Twelfth
39\49ed4 (1910.2¢)
Consistency limit
1
Distinct consistency limit
1
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← 47ed4 | 49ed4 | 51ed4 → |
49 equal divisions of the 4th harmonic (abbreviated 49ed4) is a nonoctave tuning system that divides the interval of 4/1 into 49 equal parts of about 49 ¢ each. Each step represents a frequency ratio of 41/49, or the 49th root of 4.
Intervals
Steps | Cents | Approximate Ratios |
---|---|---|
0 | 0 | 1/1 |
1 | 48.98 | |
2 | 97.959 | |
3 | 146.939 | 25/23 |
4 | 195.918 | 19/17 |
5 | 244.898 | 15/13 |
6 | 293.878 | 13/11 |
7 | 342.857 | 11/9 |
8 | 391.837 | |
9 | 440.816 | |
10 | 489.796 | |
11 | 538.776 | 15/11 |
12 | 587.755 | 7/5 |
13 | 636.735 | 13/9 |
14 | 685.714 | |
15 | 734.694 | 23/15, 29/19 |
16 | 783.673 | 11/7 |
17 | 832.653 | 21/13 |
18 | 881.633 | 5/3 |
19 | 930.612 | |
20 | 979.592 | |
21 | 1028.571 | |
22 | 1077.551 | |
23 | 1126.531 | 25/13 |
24 | 1175.51 | |
25 | 1224.49 | |
26 | 1273.469 | 23/11 |
27 | 1322.449 | 15/7 |
28 | 1371.429 | |
29 | 1420.408 | 25/11 |
30 | 1469.388 | 7/3 |
31 | 1518.367 | |
32 | 1567.347 | |
33 | 1616.327 | |
34 | 1665.306 | |
35 | 1714.286 | 27/10 |
36 | 1763.265 | 25/9 |
37 | 1812.245 | |
38 | 1861.224 | |
39 | 1910.204 | |
40 | 1959.184 | |
41 | 2008.163 | |
42 | 2057.143 | 23/7 |
43 | 2106.122 | |
44 | 2155.102 | |
45 | 2204.082 | 25/7 |
46 | 2253.061 | 11/3 |
47 | 2302.041 | |
48 | 2351.02 | |
49 | 2400 |
Harmonics
Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +24.5 | +8.2 | +0.0 | +5.5 | -16.2 | +10.8 | +24.5 | +16.5 | -19.0 | +11.9 | +8.2 |
Relative (%) | +50.0 | +16.8 | +0.0 | +11.3 | -33.2 | +22.0 | +50.0 | +33.7 | -38.7 | +24.4 | +16.8 | |
Steps (reduced) |
25 (25) |
39 (39) |
49 (0) |
57 (8) |
63 (14) |
69 (20) |
74 (25) |
78 (29) |
81 (32) |
85 (36) |
88 (39) |
Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +16.6 | -13.7 | +13.8 | +0.0 | -7.0 | -8.0 | -3.6 | +5.5 | +19.0 | -12.5 | +8.5 |
Relative (%) | +33.9 | -28.0 | +28.1 | +0.0 | -14.3 | -16.3 | -7.4 | +11.3 | +38.8 | -25.6 | +17.3 | |
Steps (reduced) |
91 (42) |
93 (44) |
96 (47) |
98 (0) |
100 (2) |
102 (4) |
104 (6) |
106 (8) |
108 (10) |
109 (11) |
111 (13) |