293edt
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293 equal divisions of the tritave, perfect twelfth, or 3rd harmonic (abbreviated 293edt or 293ed3), is a nonoctave tuning system that divides the interval of 3/1 into 293 equal parts of about 6.49 ¢ each. Each step represents a frequency ratio of 31/293, or the 293rd root of 3.
Intervals
Steps | Cents | Hekts | Approximate ratios |
---|---|---|---|
0 | 0 | 0 | 1/1 |
1 | 6.49 | 4.44 | |
2 | 12.98 | 8.87 | |
3 | 19.47 | 13.31 | 87/86, 91/90, 92/91 |
4 | 25.97 | 17.75 | |
5 | 32.46 | 22.18 | 55/54 |
6 | 38.95 | 26.62 | |
7 | 45.44 | 31.06 | 39/38 |
8 | 51.93 | 35.49 | 34/33 |
9 | 58.42 | 39.93 | 30/29 |
10 | 64.91 | 44.37 | 27/26 |
11 | 71.4 | 48.81 | |
12 | 77.9 | 53.24 | 91/87 |
13 | 84.39 | 57.68 | 21/20 |
14 | 90.88 | 62.12 | 39/37 |
15 | 97.37 | 66.55 | 55/52, 91/86, 92/87 |
16 | 103.86 | 70.99 | 69/65, 86/81 |
17 | 110.35 | 75.43 | 81/76 |
18 | 116.84 | 79.86 | 46/43, 77/72 |
19 | 123.33 | 84.3 | 29/27 |
20 | 129.83 | 88.74 | |
21 | 136.32 | 93.17 | 92/85 |
22 | 142.81 | 97.61 | 38/35, 63/58 |
23 | 149.3 | 102.05 | 85/78 |
24 | 155.79 | 106.48 | 81/74, 93/85 |
25 | 162.28 | 110.92 | 56/51 |
26 | 168.77 | 115.36 | 43/39, 54/49 |
27 | 175.27 | 119.8 | 52/47 |
28 | 181.76 | 124.23 | 10/9 |
29 | 188.25 | 128.67 | |
30 | 194.74 | 133.11 | 47/42 |
31 | 201.23 | 137.54 | 91/81 |
32 | 207.72 | 141.98 | 62/55 |
33 | 214.21 | 146.42 | 43/38 |
34 | 220.7 | 150.85 | 92/81 |
35 | 227.2 | 155.29 | 57/50, 65/57 |
36 | 233.69 | 159.73 | 87/76 |
37 | 240.18 | 164.16 | 54/47, 85/74 |
38 | 246.67 | 168.6 | |
39 | 253.16 | 173.04 | 81/70 |
40 | 259.65 | 177.47 | 43/37 |
41 | 266.14 | 181.91 | |
42 | 272.64 | 186.35 | 55/47 |
43 | 279.13 | 190.78 | 47/40, 74/63 |
44 | 285.62 | 195.22 | 46/39 |
45 | 292.11 | 199.66 | 45/38, 58/49 |
46 | 298.6 | 204.1 | 82/69 |
47 | 305.09 | 208.53 | 31/26 |
48 | 311.58 | 212.97 | 91/76 |
49 | 318.07 | 217.41 | |
50 | 324.57 | 221.84 | 76/63 |
51 | 331.06 | 226.28 | 23/19 |
52 | 337.55 | 230.72 | 62/51 |
53 | 344.04 | 235.15 | 50/41 |
54 | 350.53 | 239.59 | 60/49 |
55 | 357.02 | 244.03 | 43/35 |
56 | 363.51 | 248.46 | 37/30, 58/47 |
57 | 370 | 252.9 | 26/21 |
58 | 376.5 | 257.34 | 46/37, 87/70 |
59 | 382.99 | 261.77 | |
60 | 389.48 | 266.21 | |
61 | 395.97 | 270.65 | 93/74 |
62 | 402.46 | 275.09 | 82/65 |
63 | 408.95 | 279.52 | 19/15 |
64 | 415.44 | 283.96 | |
65 | 421.94 | 288.4 | 37/29 |
66 | 428.43 | 292.83 | |
67 | 434.92 | 297.27 | 9/7 |
68 | 441.41 | 301.71 | 40/31 |
69 | 447.9 | 306.14 | |
70 | 454.39 | 310.58 | 13/10 |
71 | 460.88 | 315.02 | |
72 | 467.37 | 319.45 | 38/29, 55/42 |
73 | 473.87 | 323.89 | |
74 | 480.36 | 328.33 | |
75 | 486.85 | 332.76 | 49/37 |
76 | 493.34 | 337.2 | |
77 | 499.83 | 341.64 | |
78 | 506.32 | 346.08 | |
79 | 512.81 | 350.51 | 39/29 |
80 | 519.31 | 354.95 | 27/20 |
81 | 525.8 | 359.39 | 42/31 |
82 | 532.29 | 363.82 | |
83 | 538.78 | 368.26 | 86/63 |
84 | 545.27 | 372.7 | 37/27 |
85 | 551.76 | 377.13 | 11/8 |
86 | 558.25 | 381.57 | 29/21, 69/50 |
87 | 564.74 | 386.01 | |
88 | 571.24 | 390.44 | |
89 | 577.73 | 394.88 | 81/58 |
90 | 584.22 | 399.32 | |
91 | 590.71 | 403.75 | |
92 | 597.2 | 408.19 | 24/17 |
93 | 603.69 | 412.63 | 17/12 |
94 | 610.18 | 417.06 | 37/26 |
95 | 616.67 | 421.5 | |
96 | 623.17 | 425.94 | 43/30 |
97 | 629.66 | 430.38 | 82/57 |
98 | 636.15 | 434.81 | 13/9 |
99 | 642.64 | 439.25 | 29/20 |
100 | 649.13 | 443.69 | 16/11 |
101 | 655.62 | 448.12 | 92/63 |
102 | 662.11 | 452.56 | 85/58 |
103 | 668.61 | 457 | |
104 | 675.1 | 461.43 | |
105 | 681.59 | 465.87 | 43/29 |
106 | 688.08 | 470.31 | |
107 | 694.57 | 474.74 | |
108 | 701.06 | 479.18 | |
109 | 707.55 | 483.62 | |
110 | 714.04 | 488.05 | 74/49 |
111 | 720.54 | 492.49 | 47/31, 91/60 |
112 | 727.03 | 496.93 | 35/23 |
113 | 733.52 | 501.37 | 55/36, 84/55 |
114 | 740.01 | 505.8 | 23/15 |
115 | 746.5 | 510.24 | |
116 | 752.99 | 514.68 | 17/11 |
117 | 759.48 | 519.11 | 76/49 |
118 | 765.98 | 523.55 | |
119 | 772.47 | 527.99 | |
120 | 778.96 | 532.42 | 80/51 |
121 | 785.45 | 536.86 | 74/47, 85/54 |
122 | 791.94 | 541.3 | 49/31 |
123 | 798.43 | 545.73 | 46/29, 65/41 |
124 | 804.92 | 550.17 | 78/49 |
125 | 811.41 | 554.61 | |
126 | 817.91 | 559.04 | 77/48, 93/58 |
127 | 824.4 | 563.48 | |
128 | 830.89 | 567.92 | 21/13 |
129 | 837.38 | 572.35 | 60/37 |
130 | 843.87 | 576.79 | 57/35, 70/43 |
131 | 850.36 | 581.23 | 85/52 |
132 | 856.85 | 585.67 | 41/25 |
133 | 863.34 | 590.1 | 28/17 |
134 | 869.84 | 594.54 | 38/23, 81/49 |
135 | 876.33 | 598.98 | 78/47 |
136 | 882.82 | 603.41 | |
137 | 889.31 | 607.85 | |
138 | 895.8 | 612.29 | 52/31 |
139 | 902.29 | 616.72 | |
140 | 908.78 | 621.16 | 93/55 |
141 | 915.28 | 625.6 | 56/33 |
142 | 921.77 | 630.03 | 46/27, 63/37 |
143 | 928.26 | 634.47 | |
144 | 934.75 | 638.91 | |
145 | 941.24 | 643.34 | 31/18 |
146 | 947.73 | 647.78 | |
147 | 954.22 | 652.22 | 85/49 |
148 | 960.71 | 656.66 | 54/31 |
149 | 967.21 | 661.09 | |
150 | 973.7 | 665.53 | 86/49 |
151 | 980.19 | 669.97 | 37/21, 81/46 |
152 | 986.68 | 674.4 | 76/43 |
153 | 993.17 | 678.84 | 55/31 |
154 | 999.66 | 683.28 | |
155 | 1006.15 | 687.71 | 93/52 |
156 | 1012.64 | 692.15 | 70/39 |
157 | 1019.14 | 696.59 | |
158 | 1025.63 | 701.02 | 47/26, 85/47 |
159 | 1032.12 | 705.46 | 49/27, 69/38 |
160 | 1038.61 | 709.9 | 51/28, 82/45 |
161 | 1045.1 | 714.33 | 75/41 |
162 | 1051.59 | 718.77 | |
163 | 1058.08 | 723.21 | 35/19 |
164 | 1064.58 | 727.65 | 37/20 |
165 | 1071.07 | 732.08 | 13/7 |
166 | 1077.56 | 736.52 | |
167 | 1084.05 | 740.96 | 58/31 |
168 | 1090.54 | 745.39 | 92/49 |
169 | 1097.03 | 749.83 | 49/26 |
170 | 1103.52 | 754.27 | 70/37, 87/46 |
171 | 1110.01 | 758.7 | 93/49 |
172 | 1116.51 | 763.14 | |
173 | 1123 | 767.58 | |
174 | 1129.49 | 772.01 | |
175 | 1135.98 | 776.45 | |
176 | 1142.47 | 780.89 | |
177 | 1148.96 | 785.32 | 33/17 |
178 | 1155.45 | 789.76 | 76/39 |
179 | 1161.95 | 794.2 | 45/23 |
180 | 1168.44 | 798.63 | 55/28 |
181 | 1174.93 | 803.07 | 69/35 |
182 | 1181.42 | 807.51 | 91/46, 93/47 |
183 | 1187.91 | 811.95 | |
184 | 1194.4 | 816.38 | |
185 | 1200.89 | 820.82 | |
186 | 1207.38 | 825.26 | |
187 | 1213.88 | 829.69 | |
188 | 1220.37 | 834.13 | 85/42, 87/43 |
189 | 1226.86 | 838.57 | |
190 | 1233.35 | 843 | |
191 | 1239.84 | 847.44 | |
192 | 1246.33 | 851.88 | 76/37 |
193 | 1252.82 | 856.31 | 33/16 |
194 | 1259.31 | 860.75 | 60/29 |
195 | 1265.81 | 865.19 | 27/13 |
196 | 1272.3 | 869.62 | |
197 | 1278.79 | 874.06 | 90/43 |
198 | 1285.28 | 878.5 | |
199 | 1291.77 | 882.94 | 78/37 |
200 | 1298.26 | 887.37 | 36/17, 91/43 |
201 | 1304.75 | 891.81 | 17/8 |
202 | 1311.25 | 896.25 | |
203 | 1317.74 | 900.68 | |
204 | 1324.23 | 905.12 | 58/27 |
205 | 1330.72 | 909.56 | |
206 | 1337.21 | 913.99 | |
207 | 1343.7 | 918.43 | 50/23, 63/29 |
208 | 1350.19 | 922.87 | 24/11 |
209 | 1356.68 | 927.3 | 81/37 |
210 | 1363.18 | 931.74 | |
211 | 1369.67 | 936.18 | 86/39 |
212 | 1376.16 | 940.61 | 31/14 |
213 | 1382.65 | 945.05 | 20/9 |
214 | 1389.14 | 949.49 | 29/13 |
215 | 1395.63 | 953.92 | |
216 | 1402.12 | 958.36 | |
217 | 1408.62 | 962.8 | |
218 | 1415.11 | 967.24 | 77/34 |
219 | 1421.6 | 971.67 | |
220 | 1428.09 | 976.11 | |
221 | 1434.58 | 980.55 | 87/38 |
222 | 1441.07 | 984.98 | |
223 | 1447.56 | 989.42 | 30/13 |
224 | 1454.05 | 993.86 | |
225 | 1460.55 | 998.29 | 86/37, 93/40 |
226 | 1467.04 | 1002.73 | 7/3 |
227 | 1473.53 | 1007.17 | 82/35 |
228 | 1480.02 | 1011.6 | 87/37 |
229 | 1486.51 | 1016.04 | |
230 | 1493 | 1020.48 | 45/19 |
231 | 1499.49 | 1024.91 | |
232 | 1505.98 | 1029.35 | 74/31 |
233 | 1512.48 | 1033.79 | 91/38 |
234 | 1518.97 | 1038.23 | |
235 | 1525.46 | 1042.66 | 70/29 |
236 | 1531.95 | 1047.1 | 63/26 |
237 | 1538.44 | 1051.54 | 90/37 |
238 | 1544.93 | 1055.97 | |
239 | 1551.42 | 1060.41 | 49/20 |
240 | 1557.92 | 1064.85 | 91/37 |
241 | 1564.41 | 1069.28 | |
242 | 1570.9 | 1073.72 | 57/23 |
243 | 1577.39 | 1078.16 | 92/37 |
244 | 1583.88 | 1082.59 | |
245 | 1590.37 | 1087.03 | |
246 | 1596.86 | 1091.47 | 78/31 |
247 | 1603.35 | 1095.9 | |
248 | 1609.85 | 1100.34 | 38/15 |
249 | 1616.34 | 1104.78 | |
250 | 1622.83 | 1109.22 | |
251 | 1629.32 | 1113.65 | |
252 | 1635.81 | 1118.09 | |
253 | 1642.3 | 1122.53 | |
254 | 1648.79 | 1126.96 | 70/27 |
255 | 1655.29 | 1131.4 | |
256 | 1661.78 | 1135.84 | 47/18 |
257 | 1668.27 | 1140.27 | 76/29 |
258 | 1674.76 | 1144.71 | 50/19 |
259 | 1681.25 | 1149.15 | |
260 | 1687.74 | 1153.58 | |
261 | 1694.23 | 1158.02 | |
262 | 1700.72 | 1162.46 | |
263 | 1707.22 | 1166.89 | |
264 | 1713.71 | 1171.33 | |
265 | 1720.2 | 1175.77 | 27/10 |
266 | 1726.69 | 1180.2 | |
267 | 1733.18 | 1184.64 | 49/18 |
268 | 1739.67 | 1189.08 | |
269 | 1746.16 | 1193.52 | 74/27, 85/31 |
270 | 1752.65 | 1197.95 | |
271 | 1759.15 | 1202.39 | 58/21 |
272 | 1765.64 | 1206.83 | |
273 | 1772.13 | 1211.26 | |
274 | 1778.62 | 1215.7 | 81/29 |
275 | 1785.11 | 1220.14 | |
276 | 1791.6 | 1224.57 | 76/27 |
277 | 1798.09 | 1229.01 | 65/23 |
278 | 1804.59 | 1233.45 | |
279 | 1811.08 | 1237.88 | 37/13 |
280 | 1817.57 | 1242.32 | 20/7 |
281 | 1824.06 | 1246.76 | |
282 | 1830.55 | 1251.19 | |
283 | 1837.04 | 1255.63 | 26/9 |
284 | 1843.53 | 1260.07 | 29/10 |
285 | 1850.02 | 1264.51 | |
286 | 1856.52 | 1268.94 | 38/13 |
287 | 1863.01 | 1273.38 | |
288 | 1869.5 | 1277.82 | |
289 | 1875.99 | 1282.25 | |
290 | 1882.48 | 1286.69 | 86/29 |
291 | 1888.97 | 1291.13 | |
292 | 1895.46 | 1295.56 | |
293 | 1901.96 | 1300 | 3/1 |
Harmonics
Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | +0.89 | +0.00 | +1.79 | -1.54 | +0.89 | +0.17 | +2.68 | +0.00 | -0.65 | +3.12 | +1.79 |
Relative (%) | +13.8 | +0.0 | +27.5 | -23.7 | +13.8 | +2.6 | +41.3 | +0.0 | -10.0 | +48.1 | +27.5 | |
Steps (reduced) |
185 (185) |
293 (0) |
370 (77) |
429 (136) |
478 (185) |
519 (226) |
555 (262) |
586 (0) |
614 (28) |
640 (54) |
663 (77) |
Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
---|---|---|---|---|---|---|---|---|---|---|---|---|
Error | Absolute (¢) | -0.47 | +1.06 | -1.54 | -2.92 | +2.48 | +0.89 | -1.83 | +0.25 | +0.17 | -2.48 | -1.54 |
Relative (%) | -7.2 | +16.3 | -23.7 | -45.0 | +38.2 | +13.8 | -28.2 | +3.8 | +2.6 | -38.1 | -23.7 | |
Steps (reduced) |
684 (98) |
704 (118) |
722 (136) |
739 (153) |
756 (170) |
771 (185) |
785 (199) |
799 (213) |
812 (226) |
824 (238) |
836 (250) |