67edt: Difference between revisions
Jump to navigation
Jump to search
Cmloegcmluin (talk | contribs) map → mapping |
m Removing from Category:Edonoi using Cat-a-lot |
||
| (5 intermediate revisions by 4 users not shown) | |||
| Line 1: | Line 1: | ||
{{Infobox ET}} | |||
'''67EDT''' is the [[Edt|equal division of the third harmonic]] into 67 parts of 28.3874 [[cent|cents]] each, corresponding to 42.2723 [[edo]]. It is related to the regular temperament which tempers out 2100875/2097152 and |-36 45 -14 -1> in the 7-limit, which is supported by 296, 465, 761, and 1057 EDOs among others. | '''67EDT''' is the [[Edt|equal division of the third harmonic]] into 67 parts of 28.3874 [[cent|cents]] each, corresponding to 42.2723 [[edo]]. It is related to the regular temperament which tempers out 2100875/2097152 and |-36 45 -14 -1> in the 7-limit, which is supported by 296, 465, 761, and 1057 EDOs among others. | ||
=Related regular temperaments= | ==Related regular temperaments== | ||
==296&465 temperament== | ===296&465 temperament=== | ||
===7-limit=== | ====7-limit==== | ||
Commas: 2100875/2097152, |-36 45 -14 -1> | Commas: 2100875/2097152, |-36 45 -14 -1> | ||
| Line 10: | Line 11: | ||
Mapping: [<1 0 -3 6|, <0 67 225 -135|] | Mapping: [<1 0 -3 6|, <0 67 225 -135|] | ||
EDOs: 296, 465, 761, 1057 | EDOs: {{EDOs|296, 465, 761, 1057}} | ||
===11-limit=== | ====11-limit==== | ||
Commas: 46656/46585, 2100875/2097152, 21437500/21434787 | Commas: 46656/46585, 2100875/2097152, 21437500/21434787 | ||
| Line 21: | Line 22: | ||
EDOs: 296, 465, 761, 1057 | EDOs: 296, 465, 761, 1057 | ||
===13-limit=== | ====13-limit==== | ||
Commas: 1575/1573, 46656/46585, 199927/199650, 216513/216320 | Commas: 1575/1573, 46656/46585, 199927/199650, 216513/216320 | ||
| Line 30: | Line 31: | ||
EDOs: 296, 465, 761, 1057 | EDOs: 296, 465, 761, 1057 | ||
== Intervals == | |||
{{Interval table}} | |||
==Harmonics== | |||
{{Harmonics in equal | |||
| steps = 67 | |||
| num = 3 | |||
| denom = 1 | |||
| intervals = integer | |||
}} | |||
{{Harmonics in equal | |||
| steps = 67 | |||
| num = 3 | |||
| denom = 1 | |||
| start = 12 | |||
| collapsed = 1 | |||
| intervals = integer | |||
}} | |||
Latest revision as of 19:23, 1 August 2025
| ← 66edt | 67edt | 68edt → |
67EDT is the equal division of the third harmonic into 67 parts of 28.3874 cents each, corresponding to 42.2723 edo. It is related to the regular temperament which tempers out 2100875/2097152 and |-36 45 -14 -1> in the 7-limit, which is supported by 296, 465, 761, and 1057 EDOs among others.
Related regular temperaments
296&465 temperament
7-limit
Commas: 2100875/2097152, |-36 45 -14 -1>
POTE generator: ~64/63 = 28.3825
Mapping: [<1 0 -3 6|, <0 67 225 -135|]
11-limit
Commas: 46656/46585, 2100875/2097152, 21437500/21434787
POTE generator: ~64/63 = 28.3824
Mapping: [<1 0 -3 6 1|, <0 67 225 -135 104|]
EDOs: 296, 465, 761, 1057
13-limit
Commas: 1575/1573, 46656/46585, 199927/199650, 216513/216320
POTE generator: ~64/63 = 28.3825
Mapping: [<1 0 -3 6 1 -2|, <0 67 225 -135 104 241|]
EDOs: 296, 465, 761, 1057
Intervals
| Steps | Cents | Hekts | Approximate ratios |
|---|---|---|---|
| 0 | 0 | 0 | 1/1 |
| 1 | 28.4 | 19.4 | |
| 2 | 56.8 | 38.8 | 30/29, 31/30 |
| 3 | 85.2 | 58.2 | |
| 4 | 113.5 | 77.6 | 31/29 |
| 5 | 141.9 | 97 | 13/12, 25/23 |
| 6 | 170.3 | 116.4 | 21/19 |
| 7 | 198.7 | 135.8 | 28/25 |
| 8 | 227.1 | 155.2 | 33/29 |
| 9 | 255.5 | 174.6 | 29/25, 36/31 |
| 10 | 283.9 | 194 | 33/28 |
| 11 | 312.3 | 213.4 | 6/5 |
| 12 | 340.6 | 232.8 | 28/23 |
| 13 | 369 | 252.2 | 21/17, 31/25 |
| 14 | 397.4 | 271.6 | 29/23, 34/27 |
| 15 | 425.8 | 291 | 23/18 |
| 16 | 454.2 | 310.4 | 13/10 |
| 17 | 482.6 | 329.9 | 33/25 |
| 18 | 511 | 349.3 | |
| 19 | 539.4 | 368.7 | 15/11 |
| 20 | 567.7 | 388.1 | 25/18 |
| 21 | 596.1 | 407.5 | 31/22 |
| 22 | 624.5 | 426.9 | 33/23 |
| 23 | 652.9 | 446.3 | |
| 24 | 681.3 | 465.7 | |
| 25 | 709.7 | 485.1 | |
| 26 | 738.1 | 504.5 | 23/15 |
| 27 | 766.5 | 523.9 | 14/9 |
| 28 | 794.8 | 543.3 | |
| 29 | 823.2 | 562.7 | 29/18 |
| 30 | 851.6 | 582.1 | 18/11 |
| 31 | 880 | 601.5 | |
| 32 | 908.4 | 620.9 | 22/13 |
| 33 | 936.8 | 640.3 | |
| 34 | 965.2 | 659.7 | |
| 35 | 993.6 | 679.1 | |
| 36 | 1021.9 | 698.5 | |
| 37 | 1050.3 | 717.9 | 11/6 |
| 38 | 1078.7 | 737.3 | 28/15 |
| 39 | 1107.1 | 756.7 | |
| 40 | 1135.5 | 776.1 | 25/13, 27/14 |
| 41 | 1163.9 | 795.5 | |
| 42 | 1192.3 | 814.9 | |
| 43 | 1220.7 | 834.3 | |
| 44 | 1249 | 853.7 | 35/17 |
| 45 | 1277.4 | 873.1 | 23/11 |
| 46 | 1305.8 | 892.5 | |
| 47 | 1334.2 | 911.9 | |
| 48 | 1362.6 | 931.3 | 11/5 |
| 49 | 1391 | 950.7 | 29/13 |
| 50 | 1419.4 | 970.1 | 25/11, 34/15 |
| 51 | 1447.8 | 989.6 | 30/13 |
| 52 | 1476.1 | 1009 | |
| 53 | 1504.5 | 1028.4 | 31/13 |
| 54 | 1532.9 | 1047.8 | 17/7 |
| 55 | 1561.3 | 1067.2 | |
| 56 | 1589.7 | 1086.6 | 5/2 |
| 57 | 1618.1 | 1106 | 28/11 |
| 58 | 1646.5 | 1125.4 | 31/12 |
| 59 | 1674.9 | 1144.8 | 29/11 |
| 60 | 1703.2 | 1164.2 | |
| 61 | 1731.6 | 1183.6 | 19/7 |
| 62 | 1760 | 1203 | 36/13 |
| 63 | 1788.4 | 1222.4 | |
| 64 | 1816.8 | 1241.8 | |
| 65 | 1845.2 | 1261.2 | 29/10 |
| 66 | 1873.6 | 1280.6 | |
| 67 | 1902 | 1300 | 3/1 |
Harmonics
| Harmonic | 2 | 3 | 4 | 5 | 6 | 7 | 8 | 9 | 10 | 11 | 12 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -7.7 | +0.0 | +12.9 | -4.3 | -7.7 | +9.3 | +5.2 | +0.0 | -12.1 | -6.8 | +12.9 |
| Relative (%) | -27.2 | +0.0 | +45.5 | -15.3 | -27.2 | +32.7 | +18.3 | +0.0 | -42.6 | -23.8 | +45.5 | |
| Steps (reduced) |
42 (42) |
67 (0) |
85 (18) |
98 (31) |
109 (42) |
119 (52) |
127 (60) |
134 (0) |
140 (6) |
146 (12) |
152 (18) | |
| Harmonic | 13 | 14 | 15 | 16 | 17 | 18 | 19 | 20 | 21 | 22 | 23 | |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Error | Absolute (¢) | -12.1 | +1.5 | -4.3 | -2.5 | +6.1 | -7.7 | +12.2 | +8.6 | +9.3 | +13.9 | -6.3 |
| Relative (%) | -42.6 | +5.4 | -15.3 | -8.9 | +21.4 | -27.2 | +43.0 | +30.2 | +32.7 | +49.0 | -22.1 | |
| Steps (reduced) |
156 (22) |
161 (27) |
165 (31) |
169 (35) |
173 (39) |
176 (42) |
180 (46) |
183 (49) |
186 (52) |
189 (55) |
191 (57) | |