184edt
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184 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 184edt or 184ed3), is a nonoctave tuning system that divides the interval of 3/1 into 184 equal parts of about 10.3 ¢ each. Each step represents a frequency ratio of 31/184, or the 184th root of 3.
Intervals
| Steps | Cents | Hekts | Approximate ratios |
|---|---|---|---|
| 0 | 0 | 0 | 1/1 |
| 1 | 10.34 | 7.07 | |
| 2 | 20.67 | 14.13 | |
| 3 | 31.01 | 21.2 | 57/56, 58/57 |
| 4 | 41.35 | 28.26 | 42/41, 43/42 |
| 5 | 51.68 | 35.33 | 34/33 |
| 6 | 62.02 | 42.39 | 28/27 |
| 7 | 72.36 | 49.46 | 49/47 |
| 8 | 82.69 | 56.52 | 43/41 |
| 9 | 93.03 | 63.59 | 19/18 |
| 10 | 103.37 | 70.65 | 52/49 |
| 11 | 113.7 | 77.72 | 47/44 |
| 12 | 124.04 | 84.78 | 29/27, 43/40 |
| 13 | 134.38 | 91.85 | 40/37 |
| 14 | 144.71 | 98.91 | 62/57 |
| 15 | 155.05 | 105.98 | 47/43 |
| 16 | 165.39 | 113.04 | 11/10 |
| 17 | 175.72 | 120.11 | 31/28, 52/47 |
| 18 | 186.06 | 127.17 | 49/44 |
| 19 | 196.4 | 134.24 | |
| 20 | 206.73 | 141.3 | |
| 21 | 217.07 | 148.37 | 17/15 |
| 22 | 227.41 | 155.43 | |
| 23 | 237.74 | 162.5 | 39/34 |
| 24 | 248.08 | 169.57 | 15/13 |
| 25 | 258.42 | 176.63 | 36/31 |
| 26 | 268.75 | 183.7 | |
| 27 | 279.09 | 190.76 | 47/40 |
| 28 | 289.43 | 197.83 | 13/11 |
| 29 | 299.76 | 204.89 | 44/37 |
| 30 | 310.1 | 211.96 | |
| 31 | 320.44 | 219.02 | |
| 32 | 330.77 | 226.09 | 23/19 |
| 33 | 341.11 | 233.15 | 28/23 |
| 34 | 351.45 | 240.22 | 38/31, 49/40, 60/49 |
| 35 | 361.78 | 247.28 | |
| 36 | 372.12 | 254.35 | 57/46 |
| 37 | 382.46 | 261.41 | |
| 38 | 392.8 | 268.48 | |
| 39 | 403.13 | 275.54 | |
| 40 | 413.47 | 282.61 | 33/26, 47/37 |
| 41 | 423.81 | 289.67 | 23/18, 60/47 |
| 42 | 434.14 | 296.74 | 9/7 |
| 43 | 444.48 | 303.8 | |
| 44 | 454.82 | 310.87 | 13/10 |
| 45 | 465.15 | 317.93 | 17/13 |
| 46 | 475.49 | 325 | |
| 47 | 485.83 | 332.07 | 45/34, 49/37 |
| 48 | 496.16 | 339.13 | |
| 49 | 506.5 | 346.2 | 63/47 |
| 50 | 516.84 | 353.26 | 31/23, 66/49 |
| 51 | 527.17 | 360.33 | |
| 52 | 537.51 | 367.39 | 15/11 |
| 53 | 547.85 | 374.46 | |
| 54 | 558.18 | 381.52 | 29/21 |
| 55 | 568.52 | 388.59 | |
| 56 | 578.86 | 395.65 | |
| 57 | 589.19 | 402.72 | 52/37 |
| 58 | 599.53 | 409.78 | 41/29, 58/41 |
| 59 | 609.87 | 416.85 | 37/26 |
| 60 | 620.2 | 423.91 | 63/44 |
| 61 | 630.54 | 430.98 | |
| 62 | 640.88 | 438.04 | 42/29 |
| 63 | 651.21 | 445.11 | 51/35 |
| 64 | 661.55 | 452.17 | 63/43 |
| 65 | 671.89 | 459.24 | 28/19 |
| 66 | 682.22 | 466.3 | 43/29, 46/31 |
| 67 | 692.56 | 473.37 | |
| 68 | 702.9 | 480.43 | 3/2 |
| 69 | 713.23 | 487.5 | |
| 70 | 723.57 | 494.57 | 41/27 |
| 71 | 733.91 | 501.63 | |
| 72 | 744.24 | 508.7 | 63/41 |
| 73 | 754.58 | 515.76 | 17/11 |
| 74 | 764.92 | 522.83 | 14/9 |
| 75 | 775.25 | 529.89 | 36/23 |
| 76 | 785.59 | 536.96 | 63/40 |
| 77 | 795.93 | 544.02 | 19/12 |
| 78 | 806.26 | 551.09 | 43/27 |
| 79 | 816.6 | 558.15 | |
| 80 | 826.94 | 565.22 | |
| 81 | 837.27 | 572.28 | 60/37 |
| 82 | 847.61 | 579.35 | 31/19 |
| 83 | 857.95 | 586.41 | |
| 84 | 868.28 | 593.48 | 38/23 |
| 85 | 878.62 | 600.54 | |
| 86 | 888.96 | 607.61 | |
| 87 | 899.29 | 614.67 | 37/22 |
| 88 | 909.63 | 621.74 | 22/13 |
| 89 | 919.97 | 628.8 | |
| 90 | 930.3 | 635.87 | |
| 91 | 940.64 | 642.93 | 31/18 |
| 92 | 950.98 | 650 | |
| 93 | 961.31 | 657.07 | 54/31 |
| 94 | 971.65 | 664.13 | |
| 95 | 981.99 | 671.2 | |
| 96 | 992.32 | 678.26 | 39/22 |
| 97 | 1002.66 | 685.33 | 66/37 |
| 98 | 1013 | 692.39 | |
| 99 | 1023.33 | 699.46 | 56/31 |
| 100 | 1033.67 | 706.52 | |
| 101 | 1044.01 | 713.59 | |
| 102 | 1054.34 | 720.65 | 57/31 |
| 103 | 1064.68 | 727.72 | 37/20 |
| 104 | 1075.02 | 734.78 | |
| 105 | 1085.35 | 741.85 | 58/31 |
| 106 | 1095.69 | 748.91 | |
| 107 | 1106.03 | 755.98 | 36/19 |
| 108 | 1116.36 | 763.04 | 40/21 |
| 109 | 1126.7 | 770.11 | 23/12 |
| 110 | 1137.04 | 777.17 | 27/14 |
| 111 | 1147.38 | 784.24 | 33/17 |
| 112 | 1157.71 | 791.3 | 41/21 |
| 113 | 1168.05 | 798.37 | |
| 114 | 1178.39 | 805.43 | |
| 115 | 1188.72 | 812.5 | |
| 116 | 1199.06 | 819.57 | 2/1 |
| 117 | 1209.4 | 826.63 | |
| 118 | 1219.73 | 833.7 | |
| 119 | 1230.07 | 840.76 | 57/28 |
| 120 | 1240.41 | 847.83 | 43/21 |
| 121 | 1250.74 | 854.89 | 35/17 |
| 122 | 1261.08 | 861.96 | 29/14 |
| 123 | 1271.42 | 869.02 | |
| 124 | 1281.75 | 876.09 | 44/21 |
| 125 | 1292.09 | 883.15 | |
| 126 | 1302.43 | 890.22 | |
| 127 | 1312.76 | 897.28 | |
| 128 | 1323.1 | 904.35 | 58/27 |
| 129 | 1333.44 | 911.41 | |
| 130 | 1343.77 | 918.48 | 63/29 |
| 131 | 1354.11 | 925.54 | |
| 132 | 1364.45 | 932.61 | 11/5 |
| 133 | 1374.78 | 939.67 | |
| 134 | 1385.12 | 946.74 | 49/22 |
| 135 | 1395.46 | 953.8 | 47/21 |
| 136 | 1405.79 | 960.87 | |
| 137 | 1416.13 | 967.93 | 34/15 |
| 138 | 1426.47 | 975 | |
| 139 | 1436.8 | 982.07 | 39/17 |
| 140 | 1447.14 | 989.13 | 30/13 |
| 141 | 1457.48 | 996.2 | |
| 142 | 1467.81 | 1003.26 | 7/3 |
| 143 | 1478.15 | 1010.33 | 47/20, 54/23 |
| 144 | 1488.49 | 1017.39 | 26/11 |
| 145 | 1498.82 | 1024.46 | |
| 146 | 1509.16 | 1031.52 | |
| 147 | 1519.5 | 1038.59 | |
| 148 | 1529.83 | 1045.65 | 46/19 |
| 149 | 1540.17 | 1052.72 | 56/23 |
| 150 | 1550.51 | 1059.78 | 49/20 |
| 151 | 1560.84 | 1066.85 | |
| 152 | 1571.18 | 1073.91 | 57/23 |
| 153 | 1581.52 | 1080.98 | |
| 154 | 1591.85 | 1088.04 | |
| 155 | 1602.19 | 1095.11 | 58/23 |
| 156 | 1612.53 | 1102.17 | 33/13 |
| 157 | 1622.86 | 1109.24 | |
| 158 | 1633.2 | 1116.3 | |
| 159 | 1643.54 | 1123.37 | 31/12 |
| 160 | 1653.87 | 1130.43 | 13/5 |
| 161 | 1664.21 | 1137.5 | 34/13 |
| 162 | 1674.55 | 1144.57 | |
| 163 | 1684.88 | 1151.63 | 45/17 |
| 164 | 1695.22 | 1158.7 | |
| 165 | 1705.56 | 1165.76 | |
| 166 | 1715.89 | 1172.83 | 62/23 |
| 167 | 1726.23 | 1179.89 | |
| 168 | 1736.57 | 1186.96 | 30/11 |
| 169 | 1746.9 | 1194.02 | |
| 170 | 1757.24 | 1201.09 | |
| 171 | 1767.58 | 1208.15 | |
| 172 | 1777.91 | 1215.22 | |
| 173 | 1788.25 | 1222.28 | |
| 174 | 1798.59 | 1229.35 | |
| 175 | 1808.92 | 1236.41 | 54/19 |
| 176 | 1819.26 | 1243.48 | |
| 177 | 1829.6 | 1250.54 | |
| 178 | 1839.93 | 1257.61 | |
| 179 | 1850.27 | 1264.67 | |
| 180 | 1860.61 | 1271.74 | 41/14 |
| 181 | 1870.94 | 1278.8 | 56/19 |
| 182 | 1881.28 | 1285.87 | |
| 183 | 1891.62 | 1292.93 | |
| 184 | 1901.96 | 1300 | 3/1 |
Harmonics
| Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -0.94 | +0.00 | -1.88 | +4.60 | -0.94 | +0.94 | -2.82 | +0.00 | +3.66 | +4.04 | -1.88 |
| Relative (%) | -9.1 | +0.0 | -18.2 | +44.5 | -9.1 | +9.1 | -27.3 | +0.0 | +35.4 | +39.1 | -18.2 | |
| Steps (reduced) |
116 (116) |
184 (0) |
232 (48) |
270 (86) |
300 (116) |
326 (142) |
348 (164) |
368 (0) |
386 (18) |
402 (34) |
416 (48) | |
| Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +4.26 | +0.00 | +4.60 | -3.77 | +4.98 | -0.94 | -1.51 | +2.72 | +0.94 | +3.10 | -1.50 |
| Relative (%) | +41.2 | +0.0 | +44.5 | -36.4 | +48.2 | -9.1 | -14.6 | +26.3 | +9.1 | +30.0 | -14.5 | |
| Steps (reduced) |
430 (62) |
442 (74) |
454 (86) |
464 (96) |
475 (107) |
484 (116) |
493 (125) |
502 (134) |
510 (142) |
518 (150) |
525 (157) | |