98edt: Difference between revisions
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== Intervals == | |||
{{Interval table}} | |||
== Harmonics == | |||
{{Harmonics in equal | |||
| steps = 98 | |||
| num = 3 | |||
| denom = 1 | |||
}} | |||
{{Harmonics in equal | |||
| steps = 98 | |||
| num = 3 | |||
| denom = 1 | |||
| start = 12 | |||
| collapsed = 1 | |||
}} | |||
Revision as of 04:34, 5 October 2024
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| ← 97edt | 98edt | 99edt → |
98 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 98edt or 98ed3), is a nonoctave tuning system that divides the interval of 3/1 into 98 equal parts of about 19.4 ¢ each. Each step represents a frequency ratio of 31/98, or the 98th root of 3.
Intervals
| Steps | Cents | Hekts | Approximate ratios |
|---|---|---|---|
| 0 | 0 | 0 | 1/1 |
| 1 | 19.4 | 13.3 | |
| 2 | 38.8 | 26.5 | 43/42, 44/43 |
| 3 | 58.2 | 39.8 | |
| 4 | 77.6 | 53.1 | 23/22 |
| 5 | 97 | 66.3 | 18/17 |
| 6 | 116.4 | 79.6 | 31/29 |
| 7 | 135.9 | 92.9 | |
| 8 | 155.3 | 106.1 | 23/21, 35/32 |
| 9 | 174.7 | 119.4 | 21/19 |
| 10 | 194.1 | 132.7 | 19/17, 28/25 |
| 11 | 213.5 | 145.9 | 26/23, 43/38 |
| 12 | 232.9 | 159.2 | 8/7 |
| 13 | 252.3 | 172.4 | 22/19 |
| 14 | 271.7 | 185.7 | |
| 15 | 291.1 | 199 | 13/11 |
| 16 | 310.5 | 212.2 | |
| 17 | 329.9 | 225.5 | 23/19 |
| 18 | 349.3 | 238.8 | 11/9 |
| 19 | 368.7 | 252 | 26/21 |
| 20 | 388.2 | 265.3 | 5/4 |
| 21 | 407.6 | 278.6 | 19/15, 43/34 |
| 22 | 427 | 291.8 | 32/25 |
| 23 | 446.4 | 305.1 | 22/17 |
| 24 | 465.8 | 318.4 | 17/13 |
| 25 | 485.2 | 331.6 | 41/31 |
| 26 | 504.6 | 344.9 | |
| 27 | 524 | 358.2 | 23/17 |
| 28 | 543.4 | 371.4 | 26/19, 37/27 |
| 29 | 562.8 | 384.7 | 18/13 |
| 30 | 582.2 | 398 | 7/5 |
| 31 | 601.6 | 411.2 | 17/12, 41/29 |
| 32 | 621 | 424.5 | 43/30 |
| 33 | 640.5 | 437.8 | |
| 34 | 659.9 | 451 | |
| 35 | 679.3 | 464.3 | |
| 36 | 698.7 | 477.6 | |
| 37 | 718.1 | 490.8 | |
| 38 | 737.5 | 504.1 | 23/15, 26/17 |
| 39 | 756.9 | 517.3 | |
| 40 | 776.3 | 530.6 | 36/23 |
| 41 | 795.7 | 543.9 | 19/12 |
| 42 | 815.1 | 557.1 | 8/5 |
| 43 | 834.5 | 570.4 | 34/21 |
| 44 | 853.9 | 583.7 | 18/11 |
| 45 | 873.3 | 596.9 | 43/26 |
| 46 | 892.8 | 610.2 | |
| 47 | 912.2 | 623.5 | 22/13, 39/23 |
| 48 | 931.6 | 636.7 | 12/7 |
| 49 | 951 | 650 | 26/15 |
| 50 | 970.4 | 663.3 | 7/4 |
| 51 | 989.8 | 676.5 | 23/13, 39/22 |
| 52 | 1009.2 | 689.8 | 34/19, 43/24 |
| 53 | 1028.6 | 703.1 | 38/21 |
| 54 | 1048 | 716.3 | 11/6 |
| 55 | 1067.4 | 729.6 | |
| 56 | 1086.8 | 742.9 | 15/8 |
| 57 | 1106.2 | 756.1 | 36/19 |
| 58 | 1125.6 | 769.4 | 23/12 |
| 59 | 1145.1 | 782.7 | |
| 60 | 1164.5 | 795.9 | |
| 61 | 1183.9 | 809.2 | |
| 62 | 1203.3 | 822.4 | |
| 63 | 1222.7 | 835.7 | |
| 64 | 1242.1 | 849 | 43/21 |
| 65 | 1261.5 | 862.2 | |
| 66 | 1280.9 | 875.5 | 44/21 |
| 67 | 1300.3 | 888.8 | 36/17 |
| 68 | 1319.7 | 902 | 15/7 |
| 69 | 1339.1 | 915.3 | 13/6 |
| 70 | 1358.5 | 928.6 | |
| 71 | 1377.9 | 941.8 | |
| 72 | 1397.4 | 955.1 | |
| 73 | 1416.8 | 968.4 | 34/15 |
| 74 | 1436.2 | 981.6 | 39/17 |
| 75 | 1455.6 | 994.9 | 44/19 |
| 76 | 1475 | 1008.2 | |
| 77 | 1494.4 | 1021.4 | |
| 78 | 1513.8 | 1034.7 | 12/5 |
| 79 | 1533.2 | 1048 | |
| 80 | 1552.6 | 1061.2 | 27/11 |
| 81 | 1572 | 1074.5 | |
| 82 | 1591.4 | 1087.8 | |
| 83 | 1610.8 | 1101 | 33/13, 38/15 |
| 84 | 1630.2 | 1114.3 | |
| 85 | 1649.7 | 1127.6 | |
| 86 | 1669.1 | 1140.8 | 21/8 |
| 87 | 1688.5 | 1154.1 | |
| 88 | 1707.9 | 1167.3 | |
| 89 | 1727.3 | 1180.6 | 19/7 |
| 90 | 1746.7 | 1193.9 | |
| 91 | 1766.1 | 1207.1 | |
| 92 | 1785.5 | 1220.4 | |
| 93 | 1804.9 | 1233.7 | 17/6 |
| 94 | 1824.3 | 1246.9 | 43/15 |
| 95 | 1843.7 | 1260.2 | |
| 96 | 1863.1 | 1273.5 | 44/15 |
| 97 | 1882.5 | 1286.7 | |
| 98 | 1902 | 1300 | 3/1 |
Harmonics
| Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +3.28 | +0.00 | +6.56 | +8.40 | +3.28 | +8.11 | -9.57 | +0.00 | -7.73 | +1.93 | +6.56 |
| Relative (%) | +16.9 | +0.0 | +33.8 | +43.3 | +16.9 | +41.8 | -49.3 | +0.0 | -39.9 | +9.9 | +33.8 | |
| Steps (reduced) |
62 (62) |
98 (0) |
124 (26) |
144 (46) |
160 (62) |
174 (76) |
185 (87) |
196 (0) |
205 (9) |
214 (18) |
222 (26) | |
| Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +3.84 | -8.02 | +8.40 | -6.30 | +5.19 | +3.28 | +6.71 | -4.46 | +8.11 | +5.21 | +5.88 |
| Relative (%) | +19.8 | -41.3 | +43.3 | -32.4 | +26.8 | +16.9 | +34.6 | -23.0 | +41.8 | +26.8 | +30.3 | |
| Steps (reduced) |
229 (33) |
235 (39) |
242 (46) |
247 (51) |
253 (57) |
258 (62) |
263 (67) |
267 (71) |
272 (76) |
276 (80) |
280 (84) | |