193edt
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193 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 193edt or 193ed3), is a nonoctave tuning system that divides the interval of 3/1 into 193 equal parts of about 9.85 ¢ each. Each step represents a frequency ratio of 31/193, or the 193rd root of 3.
Intervals
| Steps | Cents | Hekts | Approximate ratios |
|---|---|---|---|
| 0 | 0 | 0 | 1/1 |
| 1 | 9.85 | 6.74 | |
| 2 | 19.71 | 13.47 | |
| 3 | 29.56 | 20.21 | |
| 4 | 39.42 | 26.94 | 44/43, 45/44 |
| 5 | 49.27 | 33.68 | 35/34, 36/35 |
| 6 | 59.13 | 40.41 | 30/29 |
| 7 | 68.98 | 47.15 | 26/25, 51/49 |
| 8 | 78.84 | 53.89 | 45/43, 68/65 |
| 9 | 88.69 | 60.62 | |
| 10 | 98.55 | 67.36 | 18/17 |
| 11 | 108.4 | 74.09 | 33/31, 49/46 |
| 12 | 118.26 | 80.83 | |
| 13 | 128.11 | 87.56 | 14/13 |
| 14 | 137.97 | 94.3 | 13/12 |
| 15 | 147.82 | 101.04 | 49/45 |
| 16 | 157.68 | 107.77 | 23/21 |
| 17 | 167.53 | 114.51 | 54/49 |
| 18 | 177.38 | 121.24 | 41/37 |
| 19 | 187.24 | 127.98 | 39/35, 49/44 |
| 20 | 197.09 | 134.72 | 28/25, 37/33, 65/58 |
| 21 | 206.95 | 141.45 | 62/55 |
| 22 | 216.8 | 148.19 | 17/15 |
| 23 | 226.66 | 154.92 | 49/43 |
| 24 | 236.51 | 161.66 | 39/34, 47/41 |
| 25 | 246.37 | 168.39 | |
| 26 | 256.22 | 175.13 | 29/25, 51/44 |
| 27 | 266.08 | 181.87 | 7/6 |
| 28 | 275.93 | 188.6 | 34/29 |
| 29 | 285.79 | 195.34 | 46/39 |
| 30 | 295.64 | 202.07 | 51/43 |
| 31 | 305.5 | 208.81 | 37/31 |
| 32 | 315.35 | 215.54 | 6/5 |
| 33 | 325.2 | 222.28 | 35/29 |
| 34 | 335.06 | 229.02 | 17/14, 57/47 |
| 35 | 344.91 | 235.75 | |
| 36 | 354.77 | 242.49 | 27/22 |
| 37 | 364.62 | 249.22 | |
| 38 | 374.48 | 255.96 | 36/29 |
| 39 | 384.33 | 262.69 | |
| 40 | 394.19 | 269.43 | 49/39, 54/43 |
| 41 | 404.04 | 276.17 | |
| 42 | 413.9 | 282.9 | 47/37 |
| 43 | 423.75 | 289.64 | 23/18 |
| 44 | 433.61 | 296.37 | |
| 45 | 443.46 | 303.11 | |
| 46 | 453.32 | 309.84 | 13/10 |
| 47 | 463.17 | 316.58 | |
| 48 | 473.03 | 323.32 | 46/35 |
| 49 | 482.88 | 330.05 | 41/31 |
| 50 | 492.73 | 336.79 | |
| 51 | 502.59 | 343.52 | |
| 52 | 512.44 | 350.26 | 39/29 |
| 53 | 522.3 | 356.99 | 23/17 |
| 54 | 532.15 | 363.73 | 34/25 |
| 55 | 542.01 | 370.47 | |
| 56 | 551.86 | 377.2 | |
| 57 | 561.72 | 383.94 | |
| 58 | 571.57 | 390.67 | |
| 59 | 581.43 | 397.41 | 7/5 |
| 60 | 591.28 | 404.15 | 38/27 |
| 61 | 601.14 | 410.88 | |
| 62 | 610.99 | 417.62 | |
| 63 | 620.85 | 424.35 | 63/44 |
| 64 | 630.7 | 431.09 | 36/25 |
| 65 | 640.55 | 437.82 | 42/29, 55/38 |
| 66 | 650.41 | 444.56 | |
| 67 | 660.26 | 451.3 | 63/43 |
| 68 | 670.12 | 458.03 | |
| 69 | 679.97 | 464.77 | |
| 70 | 689.83 | 471.5 | |
| 71 | 699.68 | 478.24 | |
| 72 | 709.54 | 484.97 | |
| 73 | 719.39 | 491.71 | 47/31 |
| 74 | 729.25 | 498.45 | |
| 75 | 739.1 | 505.18 | 23/15 |
| 76 | 748.96 | 511.92 | 57/37 |
| 77 | 758.81 | 518.65 | |
| 78 | 768.67 | 525.39 | |
| 79 | 778.52 | 532.12 | |
| 80 | 788.38 | 538.86 | |
| 81 | 798.23 | 545.6 | 46/29 |
| 82 | 808.08 | 552.33 | |
| 83 | 817.94 | 559.07 | |
| 84 | 827.79 | 565.8 | |
| 85 | 837.65 | 572.54 | |
| 86 | 847.5 | 579.27 | 31/19 |
| 87 | 857.36 | 586.01 | |
| 88 | 867.21 | 592.75 | |
| 89 | 877.07 | 599.48 | |
| 90 | 886.92 | 606.22 | |
| 91 | 896.78 | 612.95 | |
| 92 | 906.63 | 619.69 | |
| 93 | 916.49 | 626.42 | |
| 94 | 926.34 | 633.16 | |
| 95 | 936.2 | 639.9 | |
| 96 | 946.05 | 646.63 | 19/11 |
| 97 | 955.9 | 653.37 | 33/19 |
| 98 | 965.76 | 660.1 | |
| 99 | 975.61 | 666.84 | |
| 100 | 985.47 | 673.58 | |
| 101 | 995.32 | 680.31 | |
| 102 | 1005.18 | 687.05 | |
| 103 | 1015.03 | 693.78 | |
| 104 | 1024.89 | 700.52 | |
| 105 | 1034.74 | 707.25 | |
| 106 | 1044.6 | 713.99 | |
| 107 | 1054.45 | 720.73 | 57/31 |
| 108 | 1064.31 | 727.46 | |
| 109 | 1074.16 | 734.2 | |
| 110 | 1084.02 | 740.93 | 43/23 |
| 111 | 1093.87 | 747.67 | |
| 112 | 1103.73 | 754.4 | |
| 113 | 1113.58 | 761.14 | |
| 114 | 1123.43 | 767.88 | 44/23 |
| 115 | 1133.29 | 774.61 | |
| 116 | 1143.14 | 781.35 | |
| 117 | 1153 | 788.08 | 37/19 |
| 118 | 1162.85 | 794.82 | 45/23 |
| 119 | 1172.71 | 801.55 | |
| 120 | 1182.56 | 808.29 | |
| 121 | 1192.42 | 815.03 | |
| 122 | 1202.27 | 821.76 | |
| 123 | 1212.13 | 828.5 | |
| 124 | 1221.98 | 835.23 | |
| 125 | 1231.84 | 841.97 | 55/27 |
| 126 | 1241.69 | 848.7 | 43/21 |
| 127 | 1251.55 | 855.44 | |
| 128 | 1261.4 | 862.18 | 29/14 |
| 129 | 1271.25 | 868.91 | 25/12 |
| 130 | 1281.11 | 875.65 | 44/21 |
| 131 | 1290.96 | 882.38 | |
| 132 | 1300.82 | 889.12 | |
| 133 | 1310.67 | 895.85 | |
| 134 | 1320.53 | 902.59 | 15/7 |
| 135 | 1330.38 | 909.33 | |
| 136 | 1340.24 | 916.06 | |
| 137 | 1350.09 | 922.8 | |
| 138 | 1359.95 | 929.53 | |
| 139 | 1369.8 | 936.27 | |
| 140 | 1379.66 | 943.01 | 51/23 |
| 141 | 1389.51 | 949.74 | 29/13 |
| 142 | 1399.37 | 956.48 | |
| 143 | 1409.22 | 963.21 | |
| 144 | 1419.08 | 969.95 | |
| 145 | 1428.93 | 976.68 | |
| 146 | 1438.78 | 983.42 | 62/27 |
| 147 | 1448.64 | 990.16 | 30/13 |
| 148 | 1458.49 | 996.89 | 65/28 |
| 149 | 1468.35 | 1003.63 | |
| 150 | 1478.2 | 1010.36 | 54/23 |
| 151 | 1488.06 | 1017.1 | |
| 152 | 1497.91 | 1023.83 | |
| 153 | 1507.77 | 1030.57 | 43/18 |
| 154 | 1517.62 | 1037.31 | |
| 155 | 1527.48 | 1044.04 | 29/12 |
| 156 | 1537.33 | 1050.78 | |
| 157 | 1547.19 | 1057.51 | 22/9 |
| 158 | 1557.04 | 1064.25 | |
| 159 | 1566.9 | 1070.98 | 42/17, 47/19 |
| 160 | 1576.75 | 1077.72 | |
| 161 | 1586.6 | 1084.46 | 5/2 |
| 162 | 1596.46 | 1091.19 | |
| 163 | 1606.31 | 1097.93 | 43/17 |
| 164 | 1616.17 | 1104.66 | |
| 165 | 1626.02 | 1111.4 | |
| 166 | 1635.88 | 1118.13 | 18/7 |
| 167 | 1645.73 | 1124.87 | 44/17 |
| 168 | 1655.59 | 1131.61 | |
| 169 | 1665.44 | 1138.34 | 34/13 |
| 170 | 1675.3 | 1145.08 | |
| 171 | 1685.15 | 1151.81 | 45/17 |
| 172 | 1695.01 | 1158.55 | |
| 173 | 1704.86 | 1165.28 | |
| 174 | 1714.72 | 1172.02 | 35/13 |
| 175 | 1724.57 | 1178.76 | 65/24 |
| 176 | 1734.43 | 1185.49 | 49/18 |
| 177 | 1744.28 | 1192.23 | 63/23 |
| 178 | 1754.13 | 1198.96 | |
| 179 | 1763.99 | 1205.7 | 36/13 |
| 180 | 1773.84 | 1212.44 | 39/14 |
| 181 | 1783.7 | 1219.17 | |
| 182 | 1793.55 | 1225.91 | 31/11 |
| 183 | 1803.41 | 1232.64 | 17/6 |
| 184 | 1813.26 | 1239.38 | |
| 185 | 1823.12 | 1246.11 | 43/15 |
| 186 | 1832.97 | 1252.85 | 49/17 |
| 187 | 1842.83 | 1259.59 | 29/10 |
| 188 | 1852.68 | 1266.32 | 35/12 |
| 189 | 1862.54 | 1273.06 | 44/15 |
| 190 | 1872.39 | 1279.79 | |
| 191 | 1882.25 | 1286.53 | |
| 192 | 1892.1 | 1293.26 | |
| 193 | 1901.96 | 1300 | 3/1 |
Harmonics
| Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +2.27 | +0.00 | +4.54 | +2.56 | +2.27 | +1.48 | -3.04 | +0.00 | +4.84 | -2.49 | +4.54 |
| Relative (%) | +23.1 | +0.0 | +46.1 | +26.0 | +23.1 | +15.0 | -30.8 | +0.0 | +49.1 | -25.3 | +46.1 | |
| Steps (reduced) |
122 (122) |
193 (0) |
244 (51) |
283 (90) |
315 (122) |
342 (149) |
365 (172) |
386 (0) |
405 (19) |
421 (35) |
437 (51) | |
| Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +3.94 | +3.75 | +2.56 | -0.77 | +2.68 | +2.27 | -2.64 | -2.75 | +1.48 | -0.22 | +1.66 |
| Relative (%) | +40.0 | +38.1 | +26.0 | -7.8 | +27.2 | +23.1 | -26.8 | -27.9 | +15.0 | -2.3 | +16.8 | |
| Steps (reduced) |
451 (65) |
464 (78) |
476 (90) |
487 (101) |
498 (112) |
508 (122) |
517 (131) |
526 (140) |
535 (149) |
543 (157) |
551 (165) | |