316edt
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316 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 316edt or 316ed3), is a nonoctave tuning system that divides the interval of 3/1 into 316 equal parts of about 6.02 ¢ each. Each step represents a frequency ratio of 31/316, or the 316th root of 3.
Intervals
| Steps | Cents | Hekts | Approximate ratios |
|---|---|---|---|
| 0 | 0 | 0 | 1/1 |
| 1 | 6.02 | 4.11 | |
| 2 | 12.04 | 8.23 | |
| 3 | 18.06 | 12.34 | 99/98 |
| 4 | 24.08 | 16.46 | |
| 5 | 30.09 | 20.57 | 58/57 |
| 6 | 36.11 | 24.68 | |
| 7 | 42.13 | 28.8 | 42/41 |
| 8 | 48.15 | 32.91 | |
| 9 | 54.17 | 37.03 | 65/63, 98/95 |
| 10 | 60.19 | 41.14 | |
| 11 | 66.21 | 45.25 | |
| 12 | 72.23 | 49.37 | |
| 13 | 78.24 | 53.48 | 45/43, 91/87 |
| 14 | 84.26 | 57.59 | |
| 15 | 90.28 | 61.71 | 98/93 |
| 16 | 96.3 | 65.82 | 37/35 |
| 17 | 102.32 | 69.94 | 35/33 |
| 18 | 108.34 | 74.05 | 33/31 |
| 19 | 114.36 | 78.16 | 47/44 |
| 20 | 120.38 | 82.28 | |
| 21 | 126.4 | 86.39 | |
| 22 | 132.41 | 90.51 | |
| 23 | 138.43 | 94.62 | |
| 24 | 144.45 | 98.73 | 25/23 |
| 25 | 150.47 | 102.85 | |
| 26 | 156.49 | 106.96 | 81/74 |
| 27 | 162.51 | 111.08 | |
| 28 | 168.53 | 115.19 | 43/39 |
| 29 | 174.55 | 119.3 | 52/47 |
| 30 | 180.57 | 123.42 | |
| 31 | 186.58 | 127.53 | |
| 32 | 192.6 | 131.65 | 19/17 |
| 33 | 198.62 | 135.76 | 37/33, 46/41 |
| 34 | 204.64 | 139.87 | |
| 35 | 210.66 | 143.99 | 35/31 |
| 36 | 216.68 | 148.1 | 17/15 |
| 37 | 222.7 | 152.22 | 58/51 |
| 38 | 228.72 | 156.33 | |
| 39 | 234.73 | 160.44 | 63/55 |
| 40 | 240.75 | 164.56 | 54/47 |
| 41 | 246.77 | 168.67 | 98/85 |
| 42 | 252.79 | 172.78 | 81/70 |
| 43 | 258.81 | 176.9 | |
| 44 | 264.83 | 181.01 | |
| 45 | 270.85 | 185.13 | |
| 46 | 276.87 | 189.24 | |
| 47 | 282.89 | 193.35 | |
| 48 | 288.9 | 197.47 | 13/11 |
| 49 | 294.92 | 201.58 | 51/43 |
| 50 | 300.94 | 205.7 | 69/58 |
| 51 | 306.96 | 209.81 | |
| 52 | 312.98 | 213.92 | |
| 53 | 319 | 218.04 | |
| 54 | 325.02 | 222.15 | 35/29 |
| 55 | 331.04 | 226.27 | 23/19 |
| 56 | 337.06 | 230.38 | |
| 57 | 343.07 | 234.49 | 50/41 |
| 58 | 349.09 | 238.61 | |
| 59 | 355.11 | 242.72 | 27/22, 70/57 |
| 60 | 361.13 | 246.84 | 85/69 |
| 61 | 367.15 | 250.95 | |
| 62 | 373.17 | 255.06 | |
| 63 | 379.19 | 259.18 | |
| 64 | 385.21 | 263.29 | |
| 65 | 391.22 | 267.41 | |
| 66 | 397.24 | 271.52 | 39/31 |
| 67 | 403.26 | 275.63 | |
| 68 | 409.28 | 279.75 | 19/15 |
| 69 | 415.3 | 283.86 | |
| 70 | 421.32 | 287.97 | 37/29 |
| 71 | 427.34 | 292.09 | |
| 72 | 433.36 | 296.2 | |
| 73 | 439.38 | 300.32 | 58/45 |
| 74 | 445.39 | 304.43 | 75/58 |
| 75 | 451.41 | 308.54 | 74/57 |
| 76 | 457.43 | 312.66 | |
| 77 | 463.45 | 316.77 | 98/75 |
| 78 | 469.47 | 320.89 | |
| 79 | 475.49 | 325 | 25/19 |
| 80 | 481.51 | 329.11 | |
| 81 | 487.53 | 333.23 | 57/43 |
| 82 | 493.55 | 337.34 | |
| 83 | 499.56 | 341.46 | |
| 84 | 505.58 | 345.57 | |
| 85 | 511.6 | 349.68 | |
| 86 | 517.62 | 353.8 | 58/43 |
| 87 | 523.64 | 357.91 | 23/17 |
| 88 | 529.66 | 362.03 | |
| 89 | 535.68 | 366.14 | |
| 90 | 541.7 | 370.25 | |
| 91 | 547.71 | 374.37 | 70/51 |
| 92 | 553.73 | 378.48 | 95/69 |
| 93 | 559.75 | 382.59 | |
| 94 | 565.77 | 386.71 | |
| 95 | 571.79 | 390.82 | |
| 96 | 577.81 | 394.94 | 81/58 |
| 97 | 583.83 | 399.05 | |
| 98 | 589.85 | 403.16 | |
| 99 | 595.87 | 407.28 | |
| 100 | 601.88 | 411.39 | |
| 101 | 607.9 | 415.51 | 27/19, 98/69 |
| 102 | 613.92 | 419.62 | |
| 103 | 619.94 | 423.73 | 93/65 |
| 104 | 625.96 | 427.85 | |
| 105 | 631.98 | 431.96 | |
| 106 | 638 | 436.08 | |
| 107 | 644.02 | 440.19 | 74/51 |
| 108 | 650.04 | 444.3 | |
| 109 | 656.05 | 448.42 | |
| 110 | 662.07 | 452.53 | 85/58 |
| 111 | 668.09 | 456.65 | 25/17 |
| 112 | 674.11 | 460.76 | 31/21 |
| 113 | 680.13 | 464.87 | |
| 114 | 686.15 | 468.99 | 55/37 |
| 115 | 692.17 | 473.1 | 85/57 |
| 116 | 698.19 | 477.22 | |
| 117 | 704.2 | 481.33 | |
| 118 | 710.22 | 485.44 | 98/65 |
| 119 | 716.24 | 489.56 | 62/41 |
| 120 | 722.26 | 493.67 | |
| 121 | 728.28 | 497.78 | 99/65 |
| 122 | 734.3 | 501.9 | |
| 123 | 740.32 | 506.01 | 23/15 |
| 124 | 746.34 | 510.13 | |
| 125 | 752.36 | 514.24 | |
| 126 | 758.37 | 518.35 | |
| 127 | 764.39 | 522.47 | 14/9 |
| 128 | 770.41 | 526.58 | 39/25 |
| 129 | 776.43 | 530.7 | |
| 130 | 782.45 | 534.81 | 11/7 |
| 131 | 788.47 | 538.92 | 41/26 |
| 132 | 794.49 | 543.04 | 87/55 |
| 133 | 800.51 | 547.15 | 27/17 |
| 134 | 806.53 | 551.27 | |
| 135 | 812.54 | 555.38 | |
| 136 | 818.56 | 559.49 | 69/43 |
| 137 | 824.58 | 563.61 | 66/41 |
| 138 | 830.6 | 567.72 | 21/13 |
| 139 | 836.62 | 571.84 | |
| 140 | 842.64 | 575.95 | |
| 141 | 848.66 | 580.06 | |
| 142 | 854.68 | 584.18 | 95/58 |
| 143 | 860.69 | 588.29 | 74/45 |
| 144 | 866.71 | 592.41 | |
| 145 | 872.73 | 596.52 | |
| 146 | 878.75 | 600.63 | |
| 147 | 884.77 | 604.75 | 5/3 |
| 148 | 890.79 | 608.86 | |
| 149 | 896.81 | 612.97 | 47/28 |
| 150 | 902.83 | 617.09 | |
| 151 | 908.85 | 621.2 | 93/55 |
| 152 | 914.86 | 625.32 | |
| 153 | 920.88 | 629.43 | 63/37 |
| 154 | 926.9 | 633.54 | |
| 155 | 932.92 | 637.66 | |
| 156 | 938.94 | 641.77 | 43/25 |
| 157 | 944.96 | 645.89 | |
| 158 | 950.98 | 650 | |
| 159 | 957 | 654.11 | |
| 160 | 963.02 | 658.23 | 75/43, 82/47 |
| 161 | 969.03 | 662.34 | |
| 162 | 975.05 | 666.46 | 65/37 |
| 163 | 981.07 | 670.57 | 37/21 |
| 164 | 987.09 | 674.68 | |
| 165 | 993.11 | 678.8 | 55/31 |
| 166 | 999.13 | 682.91 | |
| 167 | 1005.15 | 687.03 | 84/47 |
| 168 | 1011.17 | 691.14 | |
| 169 | 1017.18 | 695.25 | 9/5 |
| 170 | 1023.2 | 699.37 | |
| 171 | 1029.22 | 703.48 | |
| 172 | 1035.24 | 707.59 | |
| 173 | 1041.26 | 711.71 | |
| 174 | 1047.28 | 715.82 | |
| 175 | 1053.3 | 719.94 | |
| 176 | 1059.32 | 724.05 | |
| 177 | 1065.34 | 728.16 | |
| 178 | 1071.35 | 732.28 | 13/7 |
| 179 | 1077.37 | 736.39 | 41/22, 95/51 |
| 180 | 1083.39 | 740.51 | 43/23 |
| 181 | 1089.41 | 744.62 | |
| 182 | 1095.43 | 748.73 | |
| 183 | 1101.45 | 752.85 | 17/9 |
| 184 | 1107.47 | 756.96 | 55/29 |
| 185 | 1113.49 | 761.08 | 78/41 |
| 186 | 1119.51 | 765.19 | 21/11 |
| 187 | 1125.52 | 769.3 | |
| 188 | 1131.54 | 773.42 | 25/13 |
| 189 | 1137.56 | 777.53 | 27/14 |
| 190 | 1143.58 | 781.65 | |
| 191 | 1149.6 | 785.76 | |
| 192 | 1155.62 | 789.87 | |
| 193 | 1161.64 | 793.99 | 45/23 |
| 194 | 1167.66 | 798.1 | |
| 195 | 1173.67 | 802.22 | 65/33 |
| 196 | 1179.69 | 806.33 | 85/43 |
| 197 | 1185.71 | 810.44 | |
| 198 | 1191.73 | 814.56 | |
| 199 | 1197.75 | 818.67 | |
| 200 | 1203.77 | 822.78 | |
| 201 | 1209.79 | 826.9 | |
| 202 | 1215.81 | 831.01 | |
| 203 | 1221.83 | 835.13 | |
| 204 | 1227.84 | 839.24 | 63/31 |
| 205 | 1233.86 | 843.35 | 51/25 |
| 206 | 1239.88 | 847.47 | |
| 207 | 1245.9 | 851.58 | |
| 208 | 1251.92 | 855.7 | |
| 209 | 1257.94 | 859.81 | |
| 210 | 1263.96 | 863.92 | |
| 211 | 1269.98 | 868.04 | |
| 212 | 1276 | 872.15 | |
| 213 | 1282.01 | 876.27 | 65/31, 86/41 |
| 214 | 1288.03 | 880.38 | |
| 215 | 1294.05 | 884.49 | 19/9 |
| 216 | 1300.07 | 888.61 | |
| 217 | 1306.09 | 892.72 | |
| 218 | 1312.11 | 896.84 | |
| 219 | 1318.13 | 900.95 | |
| 220 | 1324.15 | 905.06 | 58/27 |
| 221 | 1330.16 | 909.18 | |
| 222 | 1336.18 | 913.29 | |
| 223 | 1342.2 | 917.41 | |
| 224 | 1348.22 | 921.52 | 85/39 |
| 225 | 1354.24 | 925.63 | |
| 226 | 1360.26 | 929.75 | |
| 227 | 1366.28 | 933.86 | |
| 228 | 1372.3 | 937.97 | 95/43 |
| 229 | 1378.32 | 942.09 | 51/23 |
| 230 | 1384.33 | 946.2 | |
| 231 | 1390.35 | 950.32 | |
| 232 | 1396.37 | 954.43 | |
| 233 | 1402.39 | 958.54 | |
| 234 | 1408.41 | 962.66 | |
| 235 | 1414.43 | 966.77 | 43/19 |
| 236 | 1420.45 | 970.89 | |
| 237 | 1426.47 | 975 | 57/25, 98/43 |
| 238 | 1432.49 | 979.11 | |
| 239 | 1438.5 | 983.23 | |
| 240 | 1444.52 | 987.34 | |
| 241 | 1450.54 | 991.46 | |
| 242 | 1456.56 | 995.57 | 58/25 |
| 243 | 1462.58 | 999.68 | |
| 244 | 1468.6 | 1003.8 | |
| 245 | 1474.62 | 1007.91 | |
| 246 | 1480.64 | 1012.03 | 87/37 |
| 247 | 1486.65 | 1016.14 | |
| 248 | 1492.67 | 1020.25 | 45/19 |
| 249 | 1498.69 | 1024.37 | |
| 250 | 1504.71 | 1028.48 | 31/13 |
| 251 | 1510.73 | 1032.59 | |
| 252 | 1516.75 | 1036.71 | |
| 253 | 1522.77 | 1040.82 | |
| 254 | 1528.79 | 1044.94 | |
| 255 | 1534.81 | 1049.05 | |
| 256 | 1540.82 | 1053.16 | 95/39 |
| 257 | 1546.84 | 1057.28 | 22/9 |
| 258 | 1552.86 | 1061.39 | |
| 259 | 1558.88 | 1065.51 | |
| 260 | 1564.9 | 1069.62 | |
| 261 | 1570.92 | 1073.73 | 57/23 |
| 262 | 1576.94 | 1077.85 | 87/35 |
| 263 | 1582.96 | 1081.96 | |
| 264 | 1588.98 | 1086.08 | |
| 265 | 1594.99 | 1090.19 | 98/39 |
| 266 | 1601.01 | 1094.3 | 58/23 |
| 267 | 1607.03 | 1098.42 | 43/17 |
| 268 | 1613.05 | 1102.53 | 33/13 |
| 269 | 1619.07 | 1106.65 | |
| 270 | 1625.09 | 1110.76 | |
| 271 | 1631.11 | 1114.87 | |
| 272 | 1637.13 | 1118.99 | |
| 273 | 1643.14 | 1123.1 | |
| 274 | 1649.16 | 1127.22 | 70/27 |
| 275 | 1655.18 | 1131.33 | |
| 276 | 1661.2 | 1135.44 | 47/18 |
| 277 | 1667.22 | 1139.56 | 55/21 |
| 278 | 1673.24 | 1143.67 | |
| 279 | 1679.26 | 1147.78 | |
| 280 | 1685.28 | 1151.9 | 45/17 |
| 281 | 1691.3 | 1156.01 | 93/35 |
| 282 | 1697.31 | 1160.13 | |
| 283 | 1703.33 | 1164.24 | 99/37 |
| 284 | 1709.35 | 1168.35 | 51/19 |
| 285 | 1715.37 | 1172.47 | |
| 286 | 1721.39 | 1176.58 | |
| 287 | 1727.41 | 1180.7 | |
| 288 | 1733.43 | 1184.81 | |
| 289 | 1739.45 | 1188.92 | |
| 290 | 1745.47 | 1193.04 | 74/27 |
| 291 | 1751.48 | 1197.15 | |
| 292 | 1757.5 | 1201.27 | 69/25 |
| 293 | 1763.52 | 1205.38 | |
| 294 | 1769.54 | 1209.49 | |
| 295 | 1775.56 | 1213.61 | |
| 296 | 1781.58 | 1217.72 | |
| 297 | 1787.6 | 1221.84 | |
| 298 | 1793.62 | 1225.95 | 31/11 |
| 299 | 1799.63 | 1230.06 | 99/35 |
| 300 | 1805.65 | 1234.18 | |
| 301 | 1811.67 | 1238.29 | |
| 302 | 1817.69 | 1242.41 | |
| 303 | 1823.71 | 1246.52 | 43/15 |
| 304 | 1829.73 | 1250.63 | |
| 305 | 1835.75 | 1254.75 | |
| 306 | 1841.77 | 1258.86 | |
| 307 | 1847.79 | 1262.97 | |
| 308 | 1853.8 | 1267.09 | |
| 309 | 1859.82 | 1271.2 | 41/14 |
| 310 | 1865.84 | 1275.32 | |
| 311 | 1871.86 | 1279.43 | |
| 312 | 1877.88 | 1283.54 | |
| 313 | 1883.9 | 1287.66 | 98/33 |
| 314 | 1889.92 | 1291.77 | |
| 315 | 1895.94 | 1295.89 | |
| 316 | 1901.96 | 1300 | 3/1 |
Harmonics
| Harmonic | 2 | 3 | 5 | 7 | 11 | 13 | 17 | 19 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -2.25 | +0.00 | +0.41 | +1.73 | +1.69 | +1.38 | +0.40 | +0.45 | +0.72 |
| Relative (%) | -37.4 | +0.0 | +6.8 | +28.7 | +28.0 | +22.9 | +6.7 | +7.5 | +12.0 | |
| Steps (reduced) |
199 (199) |
316 (0) |
463 (147) |
560 (244) |
690 (58) |
738 (106) |
815 (183) |
847 (215) |
902 (270) | |
| Harmonic | 25 | 27 | 29 | 31 | 33 | 35 | 37 | 39 | 41 | 43 | 45 | 47 | 49 | 51 | 53 | 55 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | +0.82 | +0.00 | +2.68 | +1.58 | +1.69 | +2.14 | +2.24 | +1.38 | -0.94 | +0.87 | +0.41 | -2.65 | -2.56 | +0.40 | +0.02 | +2.10 |
| Relative (%) | +13.7 | +0.0 | +44.6 | +26.3 | +28.0 | +35.5 | +37.1 | +22.9 | -15.6 | +14.5 | +6.8 | -43.9 | -42.6 | +6.7 | +0.3 | +34.8 | |
| Steps (reduced) |
926 (294) |
948 (0) |
969 (21) |
988 (40) |
1006 (58) |
1023 (75) |
1039 (91) |
1054 (106) |
1068 (120) |
1082 (134) |
1095 (147) |
1107 (159) |
1119 (171) |
1131 (183) |
1142 (194) |
1153 (205) | |