28edo: Difference between revisions
Wikispaces>FREEZE No edit summary |
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Line 15: | Line 15: | ||
{| class="wikitable" | {| class="wikitable" | ||
|- | |- | ||
| style="text-align:center;" | Step # | | rowspan="2" style="text-align:center;" | Step # | ||
| style="text-align:center;" | ET | | colspan="3" style="text-align:center;" | ET | ||
| | | colspan="4" style="text-align:center;" | Just | ||
| style="text-align:center;" | Difference | | style="text-align:center;" | Difference | ||
(ET minus Just) | (ET minus Just) | ||
| colspan="3" style="text-align:center;" | [[Ups_and_Downs_Notation|Up/down ]][[Ups_and_Downs_Notation|Notation]] | | colspan="3" style="text-align:center;" | [[Ups_and_Downs_Notation|Up/down]] [[Ups_and_Downs_Notation|Notation]] | ||
|- | |||
|Cents | |||
|pions | |||
|7mus | |||
|Interval | |||
|Cents | |||
|pions | |||
|7mus | |||
| | |||
| | |||
| | |||
| | |||
|- | |- | ||
| style="text-align:center;" | 0 | | style="text-align:center;" | 0 | ||
| style="text-align:center;" | 0¢ | | style="text-align:center;" | 0¢ | ||
|0π<sup>¢</sup> | |||
|0 | |||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| | |||
| | |||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| style="text-align:center;" | unison | | style="text-align:center;" | unison | ||
Line 35: | Line 50: | ||
| style="text-align:center;" | 1 | | style="text-align:center;" | 1 | ||
| style="text-align:center;" | 42.86 | | style="text-align:center;" | 42.86 | ||
|45.43 | |||
|54.86 (36.DC<sub>16</sub>) | |||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| | |||
| | |||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| style="text-align:center;" | up-unison | | style="text-align:center;" | up-unison | ||
Line 44: | Line 63: | ||
| style="text-align:center;" | 2 | | style="text-align:center;" | 2 | ||
| style="text-align:center;" | 85.71 | | style="text-align:center;" | 85.71 | ||
|90.86 | |||
|109.71 (6D.B7<sub>16</sub>) | |||
| style="text-align:center;" | 21:20 | | style="text-align:center;" | 21:20 | ||
| style="text-align:center;" | 84.47 | | style="text-align:center;" | 84.47 | ||
|89.535 | |||
|108.12 (6C.1E<sub>16</sub>) | |||
| style="text-align:center;" | 1.24 | | style="text-align:center;" | 1.24 | ||
| style="text-align:center;" | double-up, double-down | | style="text-align:center;" | double-up, double-down | ||
Line 53: | Line 76: | ||
| style="text-align:center;" | 3 | | style="text-align:center;" | 3 | ||
| style="text-align:center;" | 128.57 | | style="text-align:center;" | 128.57 | ||
|136.29 | |||
|164.57 (A4.92<sub>16</sub>) | |||
| style="text-align:center;" | 14:13 | | style="text-align:center;" | 14:13 | ||
| style="text-align:center;" | 128. | | style="text-align:center;" | 128.3 | ||
|136 | |||
|164.22 (A4.38<sub>16</sub>) | |||
| style="text-align:center;" | 0.27 | | style="text-align:center;" | 0.27 | ||
| style="text-align:center;" | down 2nd | | style="text-align:center;" | down 2nd | ||
Line 62: | Line 89: | ||
| style="text-align:center;" | 4 | | style="text-align:center;" | 4 | ||
| style="text-align:center;" | 171.43 | | style="text-align:center;" | 171.43 | ||
|181.71 | |||
|219.43 (DB.6E<sub>16</sub>) | |||
| style="text-align:center;" | 11:10 | | style="text-align:center;" | 11:10 | ||
| style="text-align:center;" | 165. | | style="text-align:center;" | 165 | ||
|174.9 | |||
|211.205 (D3.35<sub>16</sub>) | |||
| style="text-align:center;" | 6.43 | | style="text-align:center;" | 6.43 | ||
| style="text-align:center;" | 2nd | | style="text-align:center;" | 2nd | ||
Line 71: | Line 102: | ||
| style="text-align:center;" | 5 | | style="text-align:center;" | 5 | ||
| style="text-align:center;" | 214.29 | | style="text-align:center;" | 214.29 | ||
|227.14 | |||
|274.27 (112.49<sub>16</sub>) | |||
| style="text-align:center;" | 17:15 | | style="text-align:center;" | 17:15 | ||
| style="text-align:center;" | 216.69 | | style="text-align:center;" | 216.69 | ||
|229.69 | |||
|277.36 (115.5C<sub>16</sub>) | |||
| style="text-align:center;" | -2.40 | | style="text-align:center;" | -2.40 | ||
| style="text-align:center;" | up 2nd | | style="text-align:center;" | up 2nd | ||
Line 80: | Line 115: | ||
| style="text-align:center;" | 6 | | style="text-align:center;" | 6 | ||
| style="text-align:center;" | 257.14 | | style="text-align:center;" | 257.14 | ||
|272.57 | |||
|329.14 (149.25<sub>16</sub>) | |||
| style="text-align:center;" | 7:6 | | style="text-align:center;" | 7:6 | ||
| style="text-align:center;" | 266.87 | | style="text-align:center;" | 266.87 | ||
|282.88 | |||
|341.595 (155.98<sub>16</sub>) | |||
| style="text-align:center;" | -9.73 | | style="text-align:center;" | -9.73 | ||
| style="text-align:center;" | double-up 2nd, double-down 3rd | | style="text-align:center;" | double-up 2nd, double-down 3rd | ||
Line 89: | Line 128: | ||
| style="text-align:center;" | 7 | | style="text-align:center;" | 7 | ||
| style="text-align:center;" | 300 | | style="text-align:center;" | 300 | ||
|318 | |||
|384 (180<sub>16</sub>) | |||
| style="text-align:center;" | 6:5 | | style="text-align:center;" | 6:5 | ||
| style="text-align:center;" | 315.64 | | style="text-align:center;" | 315.64 | ||
|334.58 | |||
|404.02 (194.05<sub>16</sub>) | |||
| style="text-align:center;" | -15.64 | | style="text-align:center;" | -15.64 | ||
| style="text-align:center;" | down 3rd | | style="text-align:center;" | down 3rd | ||
Line 98: | Line 141: | ||
| style="text-align:center;" | 8 | | style="text-align:center;" | 8 | ||
| style="text-align:center;" | 342.86 | | style="text-align:center;" | 342.86 | ||
|363.43 | |||
|438.86 (1B6.DC<sub>16</sub>) | |||
| style="text-align:center;" | 11:9 | | style="text-align:center;" | 11:9 | ||
| style="text-align:center;" | 347.41 | | style="text-align:center;" | 347.41 | ||
|368.25 | |||
|444.68 (1BC.AF<sub>16</sub>) | |||
| style="text-align:center;" | -4.55 | | style="text-align:center;" | -4.55 | ||
| style="text-align:center;" | 3rd | | style="text-align:center;" | 3rd | ||
Line 107: | Line 154: | ||
| style="text-align:center;" | 9 | | style="text-align:center;" | 9 | ||
| style="text-align:center;" | 385.71 | | style="text-align:center;" | 385.71 | ||
|408.86 | |||
|493.71 (1ED.B7<sub>16</sub>) | |||
| style="text-align:center;" | 5:4 | | style="text-align:center;" | 5:4 | ||
| style="text-align:center;" | 386.31 | | style="text-align:center;" | 386.31 | ||
|409.49 | |||
|494.48 (1EE.7B<sub>16</sub>) | |||
| style="text-align:center;" | -0.60 | | style="text-align:center;" | -0.60 | ||
| style="text-align:center;" | up 3rd | | style="text-align:center;" | up 3rd | ||
Line 116: | Line 167: | ||
| style="text-align:center;" | 10 | | style="text-align:center;" | 10 | ||
| style="text-align:center;" | 428.57 | | style="text-align:center;" | 428.57 | ||
|454.29 | |||
|548.57 (224.92<sub>16</sub>) | |||
| style="text-align:center;" | 9:7 | | style="text-align:center;" | 9:7 | ||
| style="text-align:center;" | 435.08 | | style="text-align:center;" | 435.08 | ||
|461.19 | |||
|556.91 (22A.E8<sub>16</sub>) | |||
| style="text-align:center;" | -6.51 | | style="text-align:center;" | -6.51 | ||
| style="text-align:center;" | double-up 3rd, double-down 4th | | style="text-align:center;" | double-up 3rd, double-down 4th | ||
Line 125: | Line 180: | ||
| style="text-align:center;" | 11 | | style="text-align:center;" | 11 | ||
| style="text-align:center;" | 471.43 | | style="text-align:center;" | 471.43 | ||
|499.71 | |||
|603.43 (26B.6E<sub>16</sub>) | |||
| style="text-align:center;" | 21:16 | | style="text-align:center;" | 21:16 | ||
| style="text-align:center;" | 470.78 | | style="text-align:center;" | 470.78 | ||
|499.03 | |||
|602.6 (25A.99<sub>16</sub>) | |||
| style="text-align:center;" | 0.65 | | style="text-align:center;" | 0.65 | ||
| style="text-align:center;" | down 4th | | style="text-align:center;" | down 4th | ||
Line 134: | Line 193: | ||
| style="text-align:center;" | 12 | | style="text-align:center;" | 12 | ||
| style="text-align:center;" | 514.29 | | style="text-align:center;" | 514.29 | ||
|545.14 | |||
|658.29 (292.49<sub>16</sub>) | |||
| style="text-align:center;" | 4:3 | | style="text-align:center;" | 4:3 | ||
| style="text-align:center;" | 498. | | style="text-align:center;" | 498.045 | ||
| style="text-align:center;" | 16. | |527.93 | ||
|637.5 (27D.7F<sub>16</sub>) | |||
| style="text-align:center;" | 16.245 | |||
| style="text-align:center;" | 4th | | style="text-align:center;" | 4th | ||
| style="text-align:center;" | 4 | | style="text-align:center;" | 4 | ||
Line 143: | Line 206: | ||
| style="text-align:center;" | 13 | | style="text-align:center;" | 13 | ||
| style="text-align:center;" | 557.14 | | style="text-align:center;" | 557.14 | ||
|590.57 | |||
|713.14 (2C9.25<sub>16</sub>) | |||
| style="text-align:center;" | 11:8 | | style="text-align:center;" | 11:8 | ||
| style="text-align:center;" | 551.32 | | style="text-align:center;" | 551.32 | ||
|584.4 | |||
|705.69 (2C1.B<sub>16</sub>) | |||
| style="text-align:center;" | 5.82 | | style="text-align:center;" | 5.82 | ||
| style="text-align:center;" | up 4th | | style="text-align:center;" | up 4th | ||
Line 152: | Line 219: | ||
| style="text-align:center;" | 14 | | style="text-align:center;" | 14 | ||
| style="text-align:center;" | 600 | | style="text-align:center;" | 600 | ||
|636 | |||
|768 (300<sub>16</sub>) | |||
| style="text-align:center;" | 7:5 | | style="text-align:center;" | 7:5 | ||
| style="text-align:center;" | 582.51 | | style="text-align:center;" | 582.51 | ||
|617.46 | |||
|745.62 (2E9.9E<sub>16</sub>) | |||
| style="text-align:center;" | 17.49 | | style="text-align:center;" | 17.49 | ||
| style="text-align:center;" | double-up 4th, double-down 5th | | style="text-align:center;" | double-up 4th, double-down 5th | ||
Line 161: | Line 232: | ||
| style="text-align:center;" | 15 | | style="text-align:center;" | 15 | ||
| style="text-align:center;" | 642.86 | | style="text-align:center;" | 642.86 | ||
|681.43 | |||
|822.86 (336.DC<sub>16</sub>) | |||
| style="text-align:center;" | 16:11 | | style="text-align:center;" | 16:11 | ||
| style="text-align:center;" | 648.68 | | style="text-align:center;" | 648.68 | ||
|687.6 | |||
|830.31 (33E.5<sub>16</sub>) | |||
| style="text-align:center;" | -5.82 | | style="text-align:center;" | -5.82 | ||
| style="text-align:center;" | down 5th | | style="text-align:center;" | down 5th | ||
Line 170: | Line 245: | ||
| style="text-align:center;" | 16 | | style="text-align:center;" | 16 | ||
| style="text-align:center;" | 685.71 | | style="text-align:center;" | 685.71 | ||
|726.86 | |||
|877.71 (36D.B7<sub>16</sub>) | |||
| style="text-align:center;" | 3:2 | | style="text-align:center;" | 3:2 | ||
| style="text-align:center;" | 701. | | style="text-align:center;" | 701.955 | ||
| style="text-align:center;" | -16. | |744.07 | ||
|898.5 (382.81<sub>16</sub>) | |||
| style="text-align:center;" | -16.245 | |||
| style="text-align:center;" | 5th | | style="text-align:center;" | 5th | ||
| style="text-align:center;" | 5 | | style="text-align:center;" | 5 | ||
Line 179: | Line 258: | ||
| style="text-align:center;" | 17 | | style="text-align:center;" | 17 | ||
| style="text-align:center;" | 728.57 | | style="text-align:center;" | 728.57 | ||
|772.29 | |||
|934.57 (3A4.92<sub>16</sub>) | |||
| style="text-align:center;" | 32:21 | | style="text-align:center;" | 32:21 | ||
| style="text-align:center;" | 729.22 | | style="text-align:center;" | 729.22 | ||
|772.97 | |||
|933.6 (3A5.67<sub>16</sub>) | |||
| style="text-align:center;" | -0.65 | | style="text-align:center;" | -0.65 | ||
| style="text-align:center;" | up 5th | | style="text-align:center;" | up 5th | ||
Line 188: | Line 271: | ||
| style="text-align:center;" | 18 | | style="text-align:center;" | 18 | ||
| style="text-align:center;" | 771.43 | | style="text-align:center;" | 771.43 | ||
|817.71 | |||
|987.43 (3DB.6E<sub>16</sub>) | |||
| style="text-align:center;" | 14:9 | | style="text-align:center;" | 14:9 | ||
| style="text-align:center;" | 764.92 | | style="text-align:center;" | 764.92 | ||
|810.81 | |||
|979.09 (3C3.18<sub>16</sub>) | |||
| style="text-align:center;" | 6.51 | | style="text-align:center;" | 6.51 | ||
| style="text-align:center;" | double-up 5th, double-down 6th | | style="text-align:center;" | double-up 5th, double-down 6th | ||
Line 197: | Line 284: | ||
| style="text-align:center;" | 19 | | style="text-align:center;" | 19 | ||
| style="text-align:center;" | 814.29 | | style="text-align:center;" | 814.29 | ||
| style="text-align:center;" | 5 | |863.14 | ||
|1042.29 (412.49<sub>16</sub>) | |||
| style="text-align:center;" | 8:5 | |||
| style="text-align:center;" | 813.68 | | style="text-align:center;" | 813.68 | ||
|862.51 | |||
|1041.52 (411.84<sub>16</sub>) | |||
| style="text-align:center;" | 0.61 | | style="text-align:center;" | 0.61 | ||
| style="text-align:center;" | down 6th | | style="text-align:center;" | down 6th | ||
Line 206: | Line 297: | ||
| style="text-align:center;" | 20 | | style="text-align:center;" | 20 | ||
| style="text-align:center;" | 857.14 | | style="text-align:center;" | 857.14 | ||
|908.57 | |||
|1097.14 (449.24<sub>16</sub>) | |||
| style="text-align:center;" | 18:11 | | style="text-align:center;" | 18:11 | ||
| style="text-align:center;" | 852.59 | | style="text-align:center;" | 852.59 | ||
|903.75 | |||
|1061.32 (425.51<sub>16</sub>) | |||
| style="text-align:center;" | 4.55 | | style="text-align:center;" | 4.55 | ||
| style="text-align:center;" | 6th | | style="text-align:center;" | 6th | ||
Line 215: | Line 310: | ||
| style="text-align:center;" | 21 | | style="text-align:center;" | 21 | ||
| style="text-align:center;" | 900 | | style="text-align:center;" | 900 | ||
|954 | |||
|1152 (480<sub>16</sub>) | |||
| style="text-align:center;" | 5:3 | | style="text-align:center;" | 5:3 | ||
| style="text-align:center;" | 884.36 | | style="text-align:center;" | 884.36 | ||
|937.42 | |||
|1131.98 (46B.FB<sub>16</sub>) | |||
| style="text-align:center;" | 15.64 | | style="text-align:center;" | 15.64 | ||
| style="text-align:center;" | up 6th | | style="text-align:center;" | up 6th | ||
Line 224: | Line 323: | ||
| style="text-align:center;" | 22 | | style="text-align:center;" | 22 | ||
| style="text-align:center;" | 942.86 | | style="text-align:center;" | 942.86 | ||
|999.43 | |||
|1206.86 (4B6.DC<sub>16</sub>) | |||
| style="text-align:center;" | 12:7 | | style="text-align:center;" | 12:7 | ||
| style="text-align:center;" | 933.13 | | style="text-align:center;" | 933.13 | ||
|989.12 | |||
|1194.405 (4AA.68<sub>16</sub>) | |||
| style="text-align:center;" | 9.73 | | style="text-align:center;" | 9.73 | ||
| style="text-align:center;" | double-up 6th, double-down 7th | | style="text-align:center;" | double-up 6th, double-down 7th | ||
Line 233: | Line 336: | ||
| style="text-align:center;" | 23 | | style="text-align:center;" | 23 | ||
| style="text-align:center;" | 985.71 | | style="text-align:center;" | 985.71 | ||
|1044.86 | |||
|1261.71 (4DC.49<sub>16</sub>) | |||
| style="text-align:center;" | 30:17 | | style="text-align:center;" | 30:17 | ||
| style="text-align:center;" | 983.31 | | style="text-align:center;" | 983.31 | ||
|1042.31 | |||
|1258.64 (4EA.A4<sub>16</sub>) | |||
| style="text-align:center;" | 2.40 | | style="text-align:center;" | 2.40 | ||
| style="text-align:center;" | down 7th | | style="text-align:center;" | down 7th | ||
Line 242: | Line 349: | ||
| style="text-align:center;" | 24 | | style="text-align:center;" | 24 | ||
| style="text-align:center;" | 1028.57 | | style="text-align:center;" | 1028.57 | ||
|1090.29 | |||
|1316.57 (524.92<sub>16</sub>) | |||
| style="text-align:center;" | 20:11 | | style="text-align:center;" | 20:11 | ||
| style="text-align:center;" | 1035. | | style="text-align:center;" | 1035 | ||
|1097.1 | |||
|1324.795 (52C.CB<sub>16</sub>) | |||
| style="text-align:center;" | -6.43 | | style="text-align:center;" | -6.43 | ||
| style="text-align:center;" | 7th | | style="text-align:center;" | 7th | ||
Line 251: | Line 362: | ||
| style="text-align:center;" | 25 | | style="text-align:center;" | 25 | ||
| style="text-align:center;" | 1071.42 | | style="text-align:center;" | 1071.42 | ||
|1135.71 | |||
|1371.43 (55A.6E<sub>16</sub>) | |||
| style="text-align:center;" | 13:7 | | style="text-align:center;" | 13:7 | ||
| style="text-align:center;" | 1071.70 | | style="text-align:center;" | 1071.70 | ||
|1136 | |||
|1371.78 (54B.C8<sub>16</sub>) | |||
| style="text-align:center;" | -0.27 | | style="text-align:center;" | -0.27 | ||
| style="text-align:center;" | up 7th | | style="text-align:center;" | up 7th | ||
Line 260: | Line 375: | ||
| style="text-align:center;" | 26 | | style="text-align:center;" | 26 | ||
| style="text-align:center;" | 1114.29 | | style="text-align:center;" | 1114.29 | ||
|1181.14 | |||
|1426.29 (592.49<sub>16</sub>) | |||
| style="text-align:center;" | 40:21 | | style="text-align:center;" | 40:21 | ||
| style="text-align:center;" | 1115.53 | | style="text-align:center;" | 1115.53 | ||
|1162.465 | |||
|1427.88 (593.E2<sub>16</sub>) | |||
| style="text-align:center;" | -1.24 | | style="text-align:center;" | -1.24 | ||
| style="text-align:center;" | double-up 7th, double-down 8ve | | style="text-align:center;" | double-up 7th, double-down 8ve | ||
Line 269: | Line 388: | ||
| style="text-align:center;" | 27 | | style="text-align:center;" | 27 | ||
| style="text-align:center;" | 1157.14 | | style="text-align:center;" | 1157.14 | ||
|1226.57 | |||
|1471.14 (5C9.25<sub>16</sub>) | |||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| | |||
| | |||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| style="text-align:center;" | down 8ve | | style="text-align:center;" | down 8ve | ||
Line 278: | Line 401: | ||
| style="text-align:center;" | 28 | | style="text-align:center;" | 28 | ||
| style="text-align:center;" | 1200 | | style="text-align:center;" | 1200 | ||
|1272 | |||
|1536 (600<sub>16</sub>) | |||
| style="text-align:center;" | 2:1 | | style="text-align:center;" | 2:1 | ||
| style="text-align:center;" | 1200 | | style="text-align:center;" | 1200 | ||
|1272 | |||
|1536 (600<sub>16</sub>) | |||
| style="text-align:center;" | 0 | | style="text-align:center;" | 0 | ||
| style="text-align:center;" | 8ve | | style="text-align:center;" | 8ve | ||
Line 389: | Line 516: | ||
|- | |- | ||
| style="text-align:center;" | 2187/2048 | | style="text-align:center;" | 2187/2048 | ||
| | | -11 7 > | | |<nowiki> | -11 7 </nowiki>> | ||
| style="text-align:center;" | 113.69 | | style="text-align:center;" | 113.69 | ||
| style="text-align:center;" | Apotome | | style="text-align:center;" | Apotome | ||
Line 395: | Line 522: | ||
|- | |- | ||
| style="text-align:center;" | 648/625 | | style="text-align:center;" | 648/625 | ||
| | | 3 4 -4 > | | |<nowiki> | 3 4 -4 </nowiki>> | ||
| style="text-align:center;" | 62.57 | | style="text-align:center;" | 62.57 | ||
| style="text-align:center;" | Major Diesis | | style="text-align:center;" | Major Diesis | ||
Line 401: | Line 528: | ||
|- | |- | ||
| style="text-align:center;" | 16875/16384 | | style="text-align:center;" | 16875/16384 | ||
| | | -14 3 4 > | | |<nowiki> | -14 3 4 </nowiki>> | ||
| style="text-align:center;" | 51.12 | | style="text-align:center;" | 51.12 | ||
| style="text-align:center;" | Negri Comma | | style="text-align:center;" | Negri Comma | ||
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|- | |- | ||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| | | 17 1 -8 > | | |<nowiki> | 17 1 -8 </nowiki>> | ||
| style="text-align:center;" | 11.45 | | style="text-align:center;" | 11.45 | ||
| style="text-align:center;" | Wuerschmidt Comma | | style="text-align:center;" | Wuerschmidt Comma | ||
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|- | |- | ||
| style="text-align:center;" | 36/35 | | style="text-align:center;" | 36/35 | ||
| | | 2 2 -1 -1 > | | |<nowiki> | 2 2 -1 -1 </nowiki>> | ||
| style="text-align:center;" | 48.77 | | style="text-align:center;" | 48.77 | ||
| style="text-align:center;" | Septimal Quarter Tone | | style="text-align:center;" | Septimal Quarter Tone | ||
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|- | |- | ||
| style="text-align:center;" | 50/49 | | style="text-align:center;" | 50/49 | ||
| | | 1 0 2 -2 > | | |<nowiki> | 1 0 2 -2 </nowiki>> | ||
| style="text-align:center;" | 34.98 | | style="text-align:center;" | 34.98 | ||
| style="text-align:center;" | Tritonic Diesis | | style="text-align:center;" | Tritonic Diesis | ||
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|- | |- | ||
| style="text-align:center;" | 3125/3087 | | style="text-align:center;" | 3125/3087 | ||
| | | 0 -2 5 -3 > | | |<nowiki> | 0 -2 5 -3 </nowiki>> | ||
| style="text-align:center;" | 21.18 | | style="text-align:center;" | 21.18 | ||
| style="text-align:center;" | Gariboh | | style="text-align:center;" | Gariboh | ||
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|- | |- | ||
| style="text-align:center;" | 126/125 | | style="text-align:center;" | 126/125 | ||
| | | 1 2 -3 1 > | | |<nowiki> | 1 2 -3 1 </nowiki>> | ||
| style="text-align:center;" | 13.79 | | style="text-align:center;" | 13.79 | ||
| style="text-align:center;" | Septimal Semicomma | | style="text-align:center;" | Septimal Semicomma | ||
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|- | |- | ||
| style="text-align:center;" | 65625/65536 | | style="text-align:center;" | 65625/65536 | ||
| | | -16 1 5 1 > | | |<nowiki> | -16 1 5 1 </nowiki>> | ||
| style="text-align:center;" | 2.35 | | style="text-align:center;" | 2.35 | ||
| style="text-align:center;" | Horwell | | style="text-align:center;" | Horwell | ||
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|- | |- | ||
| style="text-align:center;" | | | style="text-align:center;" | | ||
| | | 47 -7 -7 -7 > | | |<nowiki> | 47 -7 -7 -7 </nowiki>> | ||
| style="text-align:center;" | 0.34 | | style="text-align:center;" | 0.34 | ||
| style="text-align:center;" | Akjaysma | | style="text-align:center;" | Akjaysma | ||
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|- | |- | ||
| style="text-align:center;" | 176/175 | | style="text-align:center;" | 176/175 | ||
| | | 4 0 -2 -1 1 > | | |<nowiki> | 4 0 -2 -1 1 </nowiki>> | ||
| style="text-align:center;" | 9.86 | | style="text-align:center;" | 9.86 | ||
| style="text-align:center;" | Valinorsma | | style="text-align:center;" | Valinorsma | ||
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|- | |- | ||
| style="text-align:center;" | 441/440 | | style="text-align:center;" | 441/440 | ||
| | | -3 2 -1 2 -1 > | | |<nowiki> | -3 2 -1 2 -1 </nowiki>> | ||
| style="text-align:center;" | 3.93 | | style="text-align:center;" | 3.93 | ||
| style="text-align:center;" | Werckisma | | style="text-align:center;" | Werckisma | ||
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|- | |- | ||
| style="text-align:center;" | 4000/3993 | | style="text-align:center;" | 4000/3993 | ||
| | | 5 -1 3 0 -3 > | | |<nowiki> | 5 -1 3 0 -3 </nowiki>> | ||
| style="text-align:center;" | 3.03 | | style="text-align:center;" | 3.03 | ||
| style="text-align:center;" | Wizardharry | | style="text-align:center;" | Wizardharry |
Revision as of 01:10, 31 March 2019
Basic properties
28edo, a multiple of both 7edo and 14edo (and of course 2edo and 4edo), has a step size of 42.857 cents. It shares three intervals with 12edo: the 300 cent minor third, the 600 cent tritone, and the 900 cent major sixth. Thus it tempers out the greater diesis 648:625. It does not however temper out the 128:125 lesser diesis, as its major third is less than 1 cent flat (and its inversion the minor sixth less than 1 cent sharp). It has the same perfect fourth and fifth as 7edo. It also has decent approximations of several septimal intervals, of which 9/7 and its inversion 14/9 are also found in 14edo.
Subgroups
28edo can approximate the 7-limit subgroup 2.27.5.21 quite well, and on this subgroup it has the same commas and tunings as 84edo. The temperament corresponding to orwell temperament now has a major third as generator, though as before 225/224, 1728/1715 and 6144/6125 are tempered out. The 225/224-tempered version of the augmented triad has a very low complexity, so many of them appear in the MOS scales for this temperament, which have sizes 7, 10, 13, 16, 19, 22, 25.
Another subgroup for which 28edo works quite well is 2.5.11.19.21.27.29.39.
Table of intervals
The following table compares it to potentially useful nearby just intervals.
Step # | ET | Just | Difference
(ET minus Just) |
Up/down Notation | |||||||
Cents | pions | 7mus | Interval | Cents | pions | 7mus | |||||
0 | 0¢ | 0π¢ | 0 | unison | 1 | D | |||||
1 | 42.86 | 45.43 | 54.86 (36.DC16) | up-unison | ^1 | D^ | |||||
2 | 85.71 | 90.86 | 109.71 (6D.B716) | 21:20 | 84.47 | 89.535 | 108.12 (6C.1E16) | 1.24 | double-up, double-down | ^^1, vv2 | D^^, Evv |
3 | 128.57 | 136.29 | 164.57 (A4.9216) | 14:13 | 128.3 | 136 | 164.22 (A4.3816) | 0.27 | down 2nd | v2 | Ev |
4 | 171.43 | 181.71 | 219.43 (DB.6E16) | 11:10 | 165 | 174.9 | 211.205 (D3.3516) | 6.43 | 2nd | 2 | E |
5 | 214.29 | 227.14 | 274.27 (112.4916) | 17:15 | 216.69 | 229.69 | 277.36 (115.5C16) | -2.40 | up 2nd | ^2 | E^ |
6 | 257.14 | 272.57 | 329.14 (149.2516) | 7:6 | 266.87 | 282.88 | 341.595 (155.9816) | -9.73 | double-up 2nd, double-down 3rd | ^^2, vv3 | E^^, Fvv |
7 | 300 | 318 | 384 (18016) | 6:5 | 315.64 | 334.58 | 404.02 (194.0516) | -15.64 | down 3rd | v3 | Fv |
8 | 342.86 | 363.43 | 438.86 (1B6.DC16) | 11:9 | 347.41 | 368.25 | 444.68 (1BC.AF16) | -4.55 | 3rd | 3 | F |
9 | 385.71 | 408.86 | 493.71 (1ED.B716) | 5:4 | 386.31 | 409.49 | 494.48 (1EE.7B16) | -0.60 | up 3rd | ^3 | F^ |
10 | 428.57 | 454.29 | 548.57 (224.9216) | 9:7 | 435.08 | 461.19 | 556.91 (22A.E816) | -6.51 | double-up 3rd, double-down 4th | ^^3, vv4 | F^^, Gvv |
11 | 471.43 | 499.71 | 603.43 (26B.6E16) | 21:16 | 470.78 | 499.03 | 602.6 (25A.9916) | 0.65 | down 4th | v4 | Gv |
12 | 514.29 | 545.14 | 658.29 (292.4916) | 4:3 | 498.045 | 527.93 | 637.5 (27D.7F16) | 16.245 | 4th | 4 | G |
13 | 557.14 | 590.57 | 713.14 (2C9.2516) | 11:8 | 551.32 | 584.4 | 705.69 (2C1.B16) | 5.82 | up 4th | ^4 | G^ |
14 | 600 | 636 | 768 (30016) | 7:5 | 582.51 | 617.46 | 745.62 (2E9.9E16) | 17.49 | double-up 4th, double-down 5th | ^^4, vv5 | G^^, vvA |
15 | 642.86 | 681.43 | 822.86 (336.DC16) | 16:11 | 648.68 | 687.6 | 830.31 (33E.516) | -5.82 | down 5th | v5 | Av |
16 | 685.71 | 726.86 | 877.71 (36D.B716) | 3:2 | 701.955 | 744.07 | 898.5 (382.8116) | -16.245 | 5th | 5 | A |
17 | 728.57 | 772.29 | 934.57 (3A4.9216) | 32:21 | 729.22 | 772.97 | 933.6 (3A5.6716) | -0.65 | up 5th | ^5 | A^ |
18 | 771.43 | 817.71 | 987.43 (3DB.6E16) | 14:9 | 764.92 | 810.81 | 979.09 (3C3.1816) | 6.51 | double-up 5th, double-down 6th | ^^5, vv6 | A^^, Bvv |
19 | 814.29 | 863.14 | 1042.29 (412.4916) | 8:5 | 813.68 | 862.51 | 1041.52 (411.8416) | 0.61 | down 6th | v6 | Bv |
20 | 857.14 | 908.57 | 1097.14 (449.2416) | 18:11 | 852.59 | 903.75 | 1061.32 (425.5116) | 4.55 | 6th | 6 | B |
21 | 900 | 954 | 1152 (48016) | 5:3 | 884.36 | 937.42 | 1131.98 (46B.FB16) | 15.64 | up 6th | ^6 | B^ |
22 | 942.86 | 999.43 | 1206.86 (4B6.DC16) | 12:7 | 933.13 | 989.12 | 1194.405 (4AA.6816) | 9.73 | double-up 6th, double-down 7th | ^^6, vv7 | B^^, Cvv |
23 | 985.71 | 1044.86 | 1261.71 (4DC.4916) | 30:17 | 983.31 | 1042.31 | 1258.64 (4EA.A416) | 2.40 | down 7th | v7 | Cv |
24 | 1028.57 | 1090.29 | 1316.57 (524.9216) | 20:11 | 1035 | 1097.1 | 1324.795 (52C.CB16) | -6.43 | 7th | 7 | C |
25 | 1071.42 | 1135.71 | 1371.43 (55A.6E16) | 13:7 | 1071.70 | 1136 | 1371.78 (54B.C816) | -0.27 | up 7th | ^7 | C^ |
26 | 1114.29 | 1181.14 | 1426.29 (592.4916) | 40:21 | 1115.53 | 1162.465 | 1427.88 (593.E216) | -1.24 | double-up 7th, double-down 8ve | ^^7, vv8 | C^^, Dvv |
27 | 1157.14 | 1226.57 | 1471.14 (5C9.2516) | down 8ve | v8 | Dv | |||||
28 | 1200 | 1272 | 1536 (60016) | 2:1 | 1200 | 1272 | 1536 (60016) | 0 | 8ve | 8 | D |
Chord Names
Ups and downs can be used to name 28edo chords. Because every interval is perfect, the quality can be omitted, and the words major, minor, augmented and diminished are never used.
0-8-16 = C E G = C = C or C perfect
0-7-16 = C Ev G = C(v3) = C down-three
0-9-16 = C E^ G = C(^3) = C up-three
0-8-15 = C E Gv = C(v5) = C down-five
0-9-17 = C E^ G^ = C(^3,^5) = C up-three up-five
0-8-16-24 = C E G B = C7 = C seven
0-8-16-23 = C E G Bv = C(v7) = C down-seven
0-7-16-24 = C Ev G B = C7(v3) = C seven down-three
0-7-16-23 = C Ev G Bv = C.v7 = C dot down seven
For a more complete list, see Ups and Downs Notation - Chord names in other EDOs.
Rank two temperaments
Periods
per octave |
Generator | Temperaments |
---|---|---|
1 | 1\28 | |
1 | 3\28 | Negri |
1 | 5\28 | Machine |
1 | 9\28 | Worschmidt |
1 | 11\28 | |
1 | 13\28 | Thuja |
2 | 1\28 | |
2 | 3\28 | |
2 | 5\28 | Antikythera |
4 | 1\28 | |
4 | 2\28 | Demolished |
4 | 3\28 | |
7 | 1\28 | Whitewood |
14 | 1\28 |
Commas
28 EDO tempers out the following commas. (Note: This assumes the val < 28 44 65 79 97 104 |.)
Comma | Monzo | Cents | Name 1 | Name 2 |
---|---|---|---|---|
2187/2048 | | -11 7 > | 113.69 | Apotome | |
648/625 | | 3 4 -4 > | 62.57 | Major Diesis | Diminished Comma |
16875/16384 | | -14 3 4 > | 51.12 | Negri Comma | Double Augmentation Diesis |
| 17 1 -8 > | 11.45 | Wuerschmidt Comma | ||
36/35 | | 2 2 -1 -1 > | 48.77 | Septimal Quarter Tone | |
50/49 | | 1 0 2 -2 > | 34.98 | Tritonic Diesis | Jubilisma |
3125/3087 | | 0 -2 5 -3 > | 21.18 | Gariboh | |
126/125 | | 1 2 -3 1 > | 13.79 | Septimal Semicomma | Starling Comma |
65625/65536 | | -16 1 5 1 > | 2.35 | Horwell | |
| 47 -7 -7 -7 > | 0.34 | Akjaysma | 5\7 Octave Comma | |
176/175 | | 4 0 -2 -1 1 > | 9.86 | Valinorsma | |
441/440 | | -3 2 -1 2 -1 > | 3.93 | Werckisma | |
4000/3993 | | 5 -1 3 0 -3 > | 3.03 | Wizardharry |
Some scales
Compositions
28 tone Prelude by Kosmorksy