192edt
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192 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 192edt or 192ed3), is a nonoctave tuning system that divides the interval of 3/1 into 192 equal parts of about 9.91 ¢ each. Each step represents a frequency ratio of 31/192, or the 192nd root of 3.
Intervals
| Steps | Cents | Hekts | Approximate ratios |
|---|---|---|---|
| 0 | 0 | 0 | 1/1 |
| 1 | 9.91 | 6.77 | |
| 2 | 19.81 | 13.54 | |
| 3 | 29.72 | 20.31 | |
| 4 | 39.62 | 27.08 | 43/42, 44/43, 45/44 |
| 5 | 49.53 | 33.85 | 35/34, 36/35 |
| 6 | 59.44 | 40.63 | 30/29 |
| 7 | 69.34 | 47.4 | 51/49 |
| 8 | 79.25 | 54.17 | 45/43, 68/65 |
| 9 | 89.15 | 60.94 | |
| 10 | 99.06 | 67.71 | 18/17 |
| 11 | 108.97 | 74.48 | 33/31, 49/46 |
| 12 | 118.87 | 81.25 | 15/14 |
| 13 | 128.78 | 88.02 | 14/13 |
| 14 | 138.68 | 94.79 | 13/12 |
| 15 | 148.59 | 101.56 | |
| 16 | 158.5 | 108.33 | 23/21 |
| 17 | 168.4 | 115.1 | 43/39, 54/49 |
| 18 | 178.31 | 121.88 | 41/37, 51/46 |
| 19 | 188.21 | 128.65 | 29/26, 39/35 |
| 20 | 198.12 | 135.42 | 37/33, 46/41, 65/58 |
| 21 | 208.03 | 142.19 | 44/39, 62/55 |
| 22 | 217.93 | 148.96 | |
| 23 | 227.84 | 155.73 | |
| 24 | 237.74 | 162.5 | 39/34 |
| 25 | 247.65 | 169.27 | 15/13 |
| 26 | 257.56 | 176.04 | 29/25, 65/56 |
| 27 | 267.46 | 182.81 | 7/6 |
| 28 | 277.37 | 189.58 | 27/23 |
| 29 | 287.27 | 196.35 | |
| 30 | 297.18 | 203.13 | |
| 31 | 307.09 | 209.9 | 37/31, 43/36 |
| 32 | 316.99 | 216.67 | |
| 33 | 326.9 | 223.44 | 29/24 |
| 34 | 336.8 | 230.21 | 17/14 |
| 35 | 346.71 | 236.98 | 11/9 |
| 36 | 356.62 | 243.75 | 43/35 |
| 37 | 366.52 | 250.52 | 21/17, 68/55 |
| 38 | 376.43 | 257.29 | 41/33, 46/37 |
| 39 | 386.33 | 264.06 | 5/4 |
| 40 | 396.24 | 270.83 | 44/35, 49/39 |
| 41 | 406.15 | 277.6 | 43/34 |
| 42 | 416.05 | 284.38 | |
| 43 | 425.96 | 291.15 | 55/43 |
| 44 | 435.86 | 297.92 | 9/7 |
| 45 | 445.77 | 304.69 | 22/17 |
| 46 | 455.68 | 311.46 | |
| 47 | 465.58 | 318.23 | 17/13 |
| 48 | 475.49 | 325 | |
| 49 | 485.39 | 331.77 | 45/34, 49/37 |
| 50 | 495.3 | 338.54 | |
| 51 | 505.21 | 345.31 | |
| 52 | 515.11 | 352.08 | 35/26, 66/49 |
| 53 | 525.02 | 358.85 | 42/31, 65/48 |
| 54 | 534.92 | 365.63 | |
| 55 | 544.83 | 372.4 | 37/27, 63/46 |
| 56 | 554.74 | 379.17 | 51/37, 62/45 |
| 57 | 564.64 | 385.94 | |
| 58 | 574.55 | 392.71 | 39/28, 46/33 |
| 59 | 584.45 | 399.48 | |
| 60 | 594.36 | 406.25 | 31/22, 55/39 |
| 61 | 604.27 | 413.02 | |
| 62 | 614.17 | 419.79 | |
| 63 | 624.08 | 426.56 | 33/23, 43/30 |
| 64 | 633.99 | 433.33 | 62/43 |
| 65 | 643.89 | 440.1 | 29/20 |
| 66 | 653.8 | 446.88 | 35/24, 54/37 |
| 67 | 663.7 | 453.65 | 22/15 |
| 68 | 673.61 | 460.42 | 31/21 |
| 69 | 683.52 | 467.19 | 46/31, 49/33 |
| 70 | 693.42 | 473.96 | |
| 71 | 703.33 | 480.73 | |
| 72 | 713.23 | 487.5 | |
| 73 | 723.14 | 494.27 | 41/27 |
| 74 | 733.05 | 501.04 | 55/36 |
| 75 | 742.95 | 507.81 | 43/28, 63/41 |
| 76 | 752.86 | 514.58 | 17/11 |
| 77 | 762.76 | 521.35 | |
| 78 | 772.67 | 528.13 | 25/16 |
| 79 | 782.58 | 534.9 | 11/7 |
| 80 | 792.48 | 541.67 | 49/31, 68/43 |
| 81 | 802.39 | 548.44 | 62/39 |
| 82 | 812.29 | 555.21 | |
| 83 | 822.2 | 561.98 | 37/23, 45/28 |
| 84 | 832.11 | 568.75 | 55/34 |
| 85 | 842.01 | 575.52 | |
| 86 | 851.92 | 582.29 | 18/11 |
| 87 | 861.82 | 589.06 | 51/31 |
| 88 | 871.73 | 595.83 | 43/26, 48/29 |
| 89 | 881.64 | 602.6 | |
| 90 | 891.54 | 609.38 | |
| 91 | 901.45 | 616.15 | |
| 92 | 911.35 | 622.92 | 22/13 |
| 93 | 921.26 | 629.69 | 46/27, 63/37 |
| 94 | 931.17 | 636.46 | |
| 95 | 941.07 | 643.23 | 31/18 |
| 96 | 950.98 | 650 | |
| 97 | 960.88 | 656.77 | 54/31 |
| 98 | 970.79 | 663.54 | |
| 99 | 980.7 | 670.31 | 37/21 |
| 100 | 990.6 | 677.08 | 39/22, 62/35 |
| 101 | 1000.51 | 683.85 | 41/23 |
| 102 | 1010.41 | 690.63 | 43/24, 52/29 |
| 103 | 1020.32 | 697.4 | |
| 104 | 1030.23 | 704.17 | 29/16 |
| 105 | 1040.13 | 710.94 | 31/17 |
| 106 | 1050.04 | 717.71 | 11/6 |
| 107 | 1059.94 | 724.48 | |
| 108 | 1069.85 | 731.25 | |
| 109 | 1079.76 | 738.02 | 28/15 |
| 110 | 1089.66 | 744.79 | |
| 111 | 1099.57 | 751.56 | |
| 112 | 1109.47 | 758.33 | |
| 113 | 1119.38 | 765.1 | 21/11 |
| 114 | 1129.29 | 771.88 | 48/25 |
| 115 | 1139.19 | 778.65 | 56/29 |
| 116 | 1149.1 | 785.42 | 33/17, 68/35 |
| 117 | 1159 | 792.19 | 41/21 |
| 118 | 1168.91 | 798.96 | 55/28 |
| 119 | 1178.82 | 805.73 | |
| 120 | 1188.72 | 812.5 | |
| 121 | 1198.63 | 819.27 | |
| 122 | 1208.53 | 826.04 | |
| 123 | 1218.44 | 832.81 | |
| 124 | 1228.35 | 839.58 | 63/31 |
| 125 | 1238.25 | 846.35 | 45/22, 47/23 |
| 126 | 1248.16 | 853.13 | 37/18 |
| 127 | 1258.06 | 859.9 | 60/29 |
| 128 | 1267.97 | 866.67 | 52/25 |
| 129 | 1277.88 | 873.44 | 23/11 |
| 130 | 1287.78 | 880.21 | |
| 131 | 1297.69 | 886.98 | 55/26 |
| 132 | 1307.59 | 893.75 | 66/31 |
| 133 | 1317.5 | 900.52 | |
| 134 | 1327.41 | 907.29 | 28/13 |
| 135 | 1337.31 | 914.06 | |
| 136 | 1347.22 | 920.83 | 37/17 |
| 137 | 1357.12 | 927.6 | 46/21 |
| 138 | 1367.03 | 934.38 | |
| 139 | 1376.94 | 941.15 | 31/14 |
| 140 | 1386.84 | 947.92 | 49/22 |
| 141 | 1396.75 | 954.69 | 56/25, 65/29 |
| 142 | 1406.65 | 961.46 | |
| 143 | 1416.56 | 968.23 | 34/15 |
| 144 | 1426.47 | 975 | |
| 145 | 1436.37 | 981.77 | 39/17, 55/24 |
| 146 | 1446.28 | 988.54 | |
| 147 | 1456.18 | 995.31 | 51/22, 58/25 |
| 148 | 1466.09 | 1002.08 | 7/3 |
| 149 | 1476 | 1008.85 | 68/29 |
| 150 | 1485.9 | 1015.63 | |
| 151 | 1495.81 | 1022.4 | |
| 152 | 1505.71 | 1029.17 | |
| 153 | 1515.62 | 1035.94 | 12/5 |
| 154 | 1525.53 | 1042.71 | |
| 155 | 1535.43 | 1049.48 | 17/7 |
| 156 | 1545.34 | 1056.25 | |
| 157 | 1555.24 | 1063.02 | 27/11 |
| 158 | 1565.15 | 1069.79 | 42/17 |
| 159 | 1575.06 | 1076.56 | |
| 160 | 1584.96 | 1083.33 | |
| 161 | 1594.87 | 1090.1 | |
| 162 | 1604.77 | 1096.88 | |
| 163 | 1614.68 | 1103.65 | |
| 164 | 1624.59 | 1110.42 | 23/9 |
| 165 | 1634.49 | 1117.19 | 18/7 |
| 166 | 1644.4 | 1123.96 | |
| 167 | 1654.3 | 1130.73 | 13/5 |
| 168 | 1664.21 | 1137.5 | 34/13 |
| 169 | 1674.12 | 1144.27 | |
| 170 | 1684.02 | 1151.04 | |
| 171 | 1693.93 | 1157.81 | |
| 172 | 1703.83 | 1164.58 | |
| 173 | 1713.74 | 1171.35 | 35/13 |
| 174 | 1723.65 | 1178.13 | 46/17 |
| 175 | 1733.55 | 1184.9 | 49/18 |
| 176 | 1743.46 | 1191.67 | 63/23 |
| 177 | 1753.36 | 1198.44 | |
| 178 | 1763.27 | 1205.21 | 36/13 |
| 179 | 1773.18 | 1211.98 | 39/14 |
| 180 | 1783.08 | 1218.75 | 14/5 |
| 181 | 1792.99 | 1225.52 | 31/11 |
| 182 | 1802.89 | 1232.29 | 17/6 |
| 183 | 1812.8 | 1239.06 | |
| 184 | 1822.71 | 1245.83 | 43/15 |
| 185 | 1832.61 | 1252.6 | 49/17 |
| 186 | 1842.52 | 1259.38 | 29/10 |
| 187 | 1852.42 | 1266.15 | 35/12 |
| 188 | 1862.33 | 1272.92 | 44/15 |
| 189 | 1872.24 | 1279.69 | |
| 190 | 1882.14 | 1286.46 | |
| 191 | 1892.05 | 1293.23 | |
| 192 | 1901.96 | 1300 | 3/1 |
Harmonics
| Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -1.37 | +0.00 | -2.74 | -2.72 | -1.37 | -0.78 | -4.12 | +0.00 | -4.10 | -0.70 | -2.74 |
| Relative (%) | -13.9 | +0.0 | -27.7 | -27.5 | -13.9 | -7.9 | -41.6 | +0.0 | -41.3 | -7.0 | -27.7 | |
| Steps (reduced) |
121 (121) |
192 (0) |
242 (50) |
281 (89) |
313 (121) |
340 (148) |
363 (171) |
384 (0) |
402 (18) |
419 (35) |
434 (50) | |
| Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -2.63 | -2.15 | -2.72 | +4.42 | -1.48 | -1.37 | +4.09 | +4.44 | -0.78 | -2.07 | +0.22 |
| Relative (%) | -26.6 | -21.7 | -27.5 | +44.6 | -14.9 | -13.9 | +41.2 | +44.8 | -7.9 | -20.9 | +2.2 | |
| Steps (reduced) |
448 (64) |
461 (77) |
473 (89) |
485 (101) |
495 (111) |
505 (121) |
515 (131) |
524 (140) |
532 (148) |
540 (156) |
548 (164) | |