41edo: Difference between revisions
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! | | ! | | ||
! | Cents Value | ! | Cents Value | ||
!7mus | !7mus | ||
! | Approximate Ratios | ! | Approximate Ratios | ||
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! | Some MOS and MODMOS Scales Available | ! | Some MOS and MODMOS Scales Available | ||
|- | |- | ||
| | | style="text-align:center;" | 0 | ||
|0.00 | |||
|0 | |||
| | [[1/1|1/1]] | | | [[1/1|1/1]] | ||
| style="text-align:center;" | P1 | | style="text-align:center;" | P1 | ||
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| style="text-align:center;" | 1 | | style="text-align:center;" | 1 | ||
| style="text-align:center;" | 29.27 | | style="text-align:center;" | 29.27 | ||
|37.46 (25.77<sub>16</sub>) | |37.46 (25.77<sub>16</sub>) | ||
| | [[81/80|81/80]], [[64/63]] | | | [[81/80|81/80]], [[64/63]] | ||
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| style="text-align:center;" | 2 | | style="text-align:center;" | 2 | ||
| style="text-align:center;" | 58.54 | | style="text-align:center;" | 58.54 | ||
|74.93 (4A.EB<sub>16</sub>) | |74.93 (4A.EB<sub>16</sub>) | ||
| | [[25/24|25/24]], [[28/27|28/27]], [[33/32|33/32]] | | | [[25/24|25/24]], [[28/27|28/27]], [[33/32|33/32]] | ||
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| style="text-align:center;" | 3 | | style="text-align:center;" | 3 | ||
| style="text-align:center;" | 87.805 | | style="text-align:center;" | 87.805 | ||
|112.39 (70.64<sub>16</sub>) | |112.39 (70.64<sub>16</sub>) | ||
| | [[21/20|21/20]], [[22/21|22/21]] | | | [[21/20|21/20]], [[22/21|22/21]] | ||
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| style="text-align:center;" | 4 | | style="text-align:center;" | 4 | ||
| style="text-align:center;" | 117.07 | | style="text-align:center;" | 117.07 | ||
|149.85 (95.DA8<sub>16</sub>) | |149.85 (95.DA8<sub>16</sub>) | ||
| | [[16/15|16/15]], [[15/14|15/14]] | | | [[16/15|16/15]], [[15/14|15/14]] | ||
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| style="text-align:center;" | 5 | | style="text-align:center;" | 5 | ||
| style="text-align:center;" | 146.34 | | style="text-align:center;" | 146.34 | ||
|187.32 (BB.51<sub>16</sub>) | |187.32 (BB.51<sub>16</sub>) | ||
| | [[12/11|12/11]] | | | [[12/11|12/11]] | ||
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| style="text-align:center;" | 6 | | style="text-align:center;" | 6 | ||
| style="text-align:center;" | 175.61 | | style="text-align:center;" | 175.61 | ||
|224.78 (E0.C8<sub>16</sub>) | |224.78 (E0.C8<sub>16</sub>) | ||
| | [[10/9|10/9]], [[11/10|11/10]] | | | [[10/9|10/9]], [[11/10|11/10]] | ||
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| style="text-align:center;" | 7 | | style="text-align:center;" | 7 | ||
| style="text-align:center;" | 204.88 | | style="text-align:center;" | 204.88 | ||
|262.24 (106.3E<sub>16</sub>) | |262.24 (106.3E<sub>16</sub>) | ||
| | [[9/8|9/8]] | | | [[9/8|9/8]] | ||
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| style="text-align:center;" | 8 | | style="text-align:center;" | 8 | ||
| style="text-align:center;" | 234.15 | | style="text-align:center;" | 234.15 | ||
|299.71 (12B.B5<sub>16</sub>) | |299.71 (12B.B5<sub>16</sub>) | ||
| | [[8/7|8/7]] | | | [[8/7|8/7]] | ||
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| style="text-align:center;" | 9 | | style="text-align:center;" | 9 | ||
| style="text-align:center;" | 263.415 | | style="text-align:center;" | 263.415 | ||
|337.17 (151.2C<sub>16</sub>) | |337.17 (151.2C<sub>16</sub>) | ||
| | [[7/6|7/6]] | | | [[7/6|7/6]] | ||
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| style="text-align:center;" | 10 | | style="text-align:center;" | 10 | ||
| style="text-align:center;" | 292.68 | | style="text-align:center;" | 292.68 | ||
|374.63 (176.A2<sub>16</sub>) | |374.63 (176.A2<sub>16</sub>) | ||
| | [[32/27|32/27]], [[13/11]] | | | [[32/27|32/27]], [[13/11]] | ||
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| style="text-align:center;" | 11 | | style="text-align:center;" | 11 | ||
| style="text-align:center;" | 321.95 | | style="text-align:center;" | 321.95 | ||
|412.1 (1A0.19<sub>16</sub>) | |412.1 (1A0.19<sub>16</sub>) | ||
| | [[6/5|6/5]] | | | [[6/5|6/5]] | ||
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| style="text-align:center;" | 12 | | style="text-align:center;" | 12 | ||
| style="text-align:center;" | 351.22 | | style="text-align:center;" | 351.22 | ||
|449.56 (1C5.9<sub>16</sub>) | |449.56 (1C5.9<sub>16</sub>) | ||
| | [[11/9|11/9]], [[27/22|27/22]] | | | [[11/9|11/9]], [[27/22|27/22]] | ||
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| style="text-align:center;" | 13 | | style="text-align:center;" | 13 | ||
| style="text-align:center;" | 380.49 | | style="text-align:center;" | 380.49 | ||
|487.02 (1EB.06<sub>16</sub>) | |487.02 (1EB.06<sub>16</sub>) | ||
| | [[5/4|5/4]] | | | [[5/4|5/4]] | ||
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| style="text-align:center;" | 14 | | style="text-align:center;" | 14 | ||
| style="text-align:center;" | 409.76 | | style="text-align:center;" | 409.76 | ||
|524.49 (20C.7C8<sub>16</sub>) | |524.49 (20C.7C8<sub>16</sub>) | ||
| | [[14/11|14/11]], [[81/64|81/64]] | | | [[14/11|14/11]], [[81/64|81/64]] | ||
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| style="text-align:center;" | 15 | | style="text-align:center;" | 15 | ||
| style="text-align:center;" | 439.02 | | style="text-align:center;" | 439.02 | ||
|561.95 (231.F38<sub>16</sub>) | |561.95 (231.F38<sub>16</sub>) | ||
| | [[9/7|9/7,]] [[32/25|32/25]] | | | [[9/7|9/7,]] [[32/25|32/25]] | ||
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| style="text-align:center;" | 16 | | style="text-align:center;" | 16 | ||
| style="text-align:center;" | 468.29 | | style="text-align:center;" | 468.29 | ||
|599.415 (257.6A<sub>16</sub>) | |599.415 (257.6A<sub>16</sub>) | ||
| | [[21/16|21/16]], [[13/10]] | | | [[21/16|21/16]], [[13/10]] | ||
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| style="text-align:center;" | 17 | | style="text-align:center;" | 17 | ||
| style="text-align:center;" | 497.56 | | style="text-align:center;" | 497.56 | ||
|636.88 (27C.E1<sub>16</sub>) | |636.88 (27C.E1<sub>16</sub>) | ||
| | [[4/3|4/3]] | | | [[4/3|4/3]] | ||
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| style="text-align:center;" | 18 | | style="text-align:center;" | 18 | ||
| style="text-align:center;" | 526.83 | | style="text-align:center;" | 526.83 | ||
|674.34 (2A2.578<sub>16</sub>) | |674.34 (2A2.578<sub>16</sub>) | ||
| | [[15/11|15/11]], [[27/20|27/20]] | | | [[15/11|15/11]], [[27/20|27/20]] | ||
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| style="text-align:center;" | 19 | | style="text-align:center;" | 19 | ||
| style="text-align:center;" | 556.1 | | style="text-align:center;" | 556.1 | ||
|711.805 (2C7.CE<sub>16</sub>) | |711.805 (2C7.CE<sub>16</sub>) | ||
| | [[11/8|11/8]] | | | [[11/8|11/8]] | ||
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| style="text-align:center;" | 20 | | style="text-align:center;" | 20 | ||
| style="text-align:center;" | 585.37 | | style="text-align:center;" | 585.37 | ||
|749.27 (2ED.45<sub>16</sub>) | |749.27 (2ED.45<sub>16</sub>) | ||
| | [[7/5|7/5]] | | | [[7/5|7/5]] | ||
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| style="text-align:center;" | 21 | | style="text-align:center;" | 21 | ||
| style="text-align:center;" | 614.63 | | style="text-align:center;" | 614.63 | ||
|786.73 (312.BB<sub>16</sub>) | |786.73 (312.BB<sub>16</sub>) | ||
| | [[10/7|10/7]] | | | [[10/7|10/7]] | ||
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| style="text-align:center;" | 22 | | style="text-align:center;" | 22 | ||
| style="text-align:center;" | 643.90 | | style="text-align:center;" | 643.90 | ||
|825.195 (347.32<sub>16</sub>) | |825.195 (347.32<sub>16</sub>) | ||
| | [[16/11|16/11]], [[13/9]] | | | [[16/11|16/11]], [[13/9]] | ||
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| style="text-align:center;" | 23 | | style="text-align:center;" | 23 | ||
| style="text-align:center;" | 673.17 | | style="text-align:center;" | 673.17 | ||
|862.68 (35D.B88<sub>16</sub>) | |862.68 (35D.B88<sub>16</sub>) | ||
| | [[22/15|22/15]], [[40/27|40/27]] | | | [[22/15|22/15]], [[40/27|40/27]] | ||
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| style="text-align:center;" | 24 | | style="text-align:center;" | 24 | ||
| style="text-align:center;" | 702.44 | | style="text-align:center;" | 702.44 | ||
|899.12 (383.1F<sub>16</sub>) | |899.12 (383.1F<sub>16</sub>) | ||
| | [[3/2|3/2]] | | | [[3/2|3/2]] | ||
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| style="text-align:center;" | 25 | | style="text-align:center;" | 25 | ||
| style="text-align:center;" | 731.71 | | style="text-align:center;" | 731.71 | ||
|936.585 (3A8.96<sub>16</sub>) | |936.585 (3A8.96<sub>16</sub>) | ||
| | [[32/21|32/21]], [[20/13]] | | | [[32/21|32/21]], [[20/13]] | ||
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| style="text-align:center;" | 26 | | style="text-align:center;" | 26 | ||
| style="text-align:center;" | 760.98 | | style="text-align:center;" | 760.98 | ||
|994.05 (3CE.0C8<sub>16</sub>) | |994.05 (3CE.0C8<sub>16</sub>) | ||
| | [[14/9|14/9]], [[25/16|25/16]] | | | [[14/9|14/9]], [[25/16|25/16]] | ||
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| style="text-align:center;" | 27 | | style="text-align:center;" | 27 | ||
| style="text-align:center;" | 790.24 | | style="text-align:center;" | 790.24 | ||
|1011.51 (3F3.838<sub>16</sub>) | |1011.51 (3F3.838<sub>16</sub>) | ||
| | [[11/7|11/7]], [[128/81|128/81]] | | | [[11/7|11/7]], [[128/81|128/81]] | ||
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| style="text-align:center;" | 28 | | style="text-align:center;" | 28 | ||
| style="text-align:center;" | 819.51 | | style="text-align:center;" | 819.51 | ||
|1048.97 (418.FA<sub>16</sub>) | |1048.97 (418.FA<sub>16</sub>) | ||
| | [[8/5|8/5]] | | | [[8/5|8/5]] | ||
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| style="text-align:center;" | 29 | | style="text-align:center;" | 29 | ||
| style="text-align:center;" | 848.78 | | style="text-align:center;" | 848.78 | ||
|1086.44 (43D.7<sub>16</sub>) | |1086.44 (43D.7<sub>16</sub>) | ||
| | [[18/11|18/11]], [[44/27|44/27]] | | | [[18/11|18/11]], [[44/27|44/27]] | ||
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| style="text-align:center;" | 30 | | style="text-align:center;" | 30 | ||
| style="text-align:center;" | 878.05 | | style="text-align:center;" | 878.05 | ||
|1123.9 (463.F7<sub>16</sub>) | |1123.9 (463.F7<sub>16</sub>) | ||
| | [[5/3|5/3]] | | | [[5/3|5/3]] | ||
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| style="text-align:center;" | 31 | | style="text-align:center;" | 31 | ||
| style="text-align:center;" | 907.32 | | style="text-align:center;" | 907.32 | ||
|1161.37 (489.5E<sub>16</sub>) | |1161.37 (489.5E<sub>16</sub>) | ||
| | [[27/16|27/16]] | | | [[27/16|27/16]] | ||
Line 803: | Line 773: | ||
| style="text-align:center;" | 32 | | style="text-align:center;" | 32 | ||
| style="text-align:center;" | 936.59 | | style="text-align:center;" | 936.59 | ||
|1198.83 (4AE.D4<sub>16</sub>) | |1198.83 (4AE.D4<sub>16</sub>) | ||
| | [[12/7|12/7]] | | | [[12/7|12/7]] | ||
Line 814: | Line 783: | ||
| style="text-align:center;" | 33 | | style="text-align:center;" | 33 | ||
| style="text-align:center;" | 965.85 | | style="text-align:center;" | 965.85 | ||
|1236.29 (4D4.4B<sub>16</sub>) | |1236.29 (4D4.4B<sub>16</sub>) | ||
| | [[7/4|7/4]] | | | [[7/4|7/4]] | ||
Line 825: | Line 793: | ||
| style="text-align:center;" | 34 | | style="text-align:center;" | 34 | ||
| style="text-align:center;" | 995.12 | | style="text-align:center;" | 995.12 | ||
|1273.76 (4F9.C2<sub>16,)</sub> | |1273.76 (4F9.C2<sub>16,)</sub> | ||
| | [[16/9|16/9]] | | | [[16/9|16/9]] | ||
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| style="text-align:center;" | 35 | | style="text-align:center;" | 35 | ||
| style="text-align:center;" | 1024.39 | | style="text-align:center;" | 1024.39 | ||
|1311.22 (51F.38<sub>16</sub>) | |1311.22 (51F.38<sub>16</sub>) | ||
| | [[9/5|9/5]], [[20/11|20/11]] | | | [[9/5|9/5]], [[20/11|20/11]] | ||
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| style="text-align:center;" | 36 | | style="text-align:center;" | 36 | ||
| style="text-align:center;" | 1053.66 | | style="text-align:center;" | 1053.66 | ||
|1348.32 (544.AF<sub>16</sub>) | |1348.32 (544.AF<sub>16</sub>) | ||
| | [[11/6|11/6]] | | | [[11/6|11/6]] | ||
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| style="text-align:center;" | 37 | | style="text-align:center;" | 37 | ||
| style="text-align:center;" | 1082.93 | | style="text-align:center;" | 1082.93 | ||
|1386.15 (57A.258<sub>16</sub>) | |1386.15 (57A.258<sub>16</sub>) | ||
| | [[15/8|15/8]] | | | [[15/8|15/8]] | ||
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| style="text-align:center;" | 38 | | style="text-align:center;" | 38 | ||
| style="text-align:center;" | 1112.195 | | style="text-align:center;" | 1112.195 | ||
|1423.61 (58F.9C<sub>16</sub>) | |1423.61 (58F.9C<sub>16</sub>) | ||
| | [[40/21|40/21]], [[21/11|21/11]] | | | [[40/21|40/21]], [[21/11|21/11]] | ||
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| style="text-align:center;" | 39 | | style="text-align:center;" | 39 | ||
| style="text-align:center;" | 1141.46 | | style="text-align:center;" | 1141.46 | ||
|1461.07 (5B5.14<sub>16</sub>) | |1461.07 (5B5.14<sub>16</sub>) | ||
| | [[48/25|48/25]], [[27/14|27/14]], [[64/33|64/33]] | | | [[48/25|48/25]], [[27/14|27/14]], [[64/33|64/33]] | ||
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| style="text-align:center;" | 40 | | style="text-align:center;" | 40 | ||
| style="text-align:center;" | 1170.73 | | style="text-align:center;" | 1170.73 | ||
|1498.54 (5DA.89<sub>16</sub>) | |1498.54 (5DA.89<sub>16</sub>) | ||
| | [[160/81|160/81]], [[63/32]] | | | [[160/81|160/81]], [[63/32]] | ||
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| style="text-align:center;" | 41 | | style="text-align:center;" | 41 | ||
| style="text-align:center;" | 1200 | | style="text-align:center;" | 1200 | ||
|1536 (600<sub>16</sub>) | |1536 (600<sub>16</sub>) | ||
| | 2/1 | | | 2/1 |
Revision as of 13:37, 12 December 2019
Introduction
The 41-tET, 41-EDO, 41-ET, or 41-Tone Equal Temperament is the scale derived by dividing the octave into 41 equally-sized steps. Each step represents a frequency ratio of 29.268 cents, an interval close in size to 64/63, the septimal comma. 41-ET can be seen as a tuning of the Garibaldi temperament [1] , [2] , [3] the Magic temperament [4] and the superkleismic (41&26) temperament. It is the second smallest equal temperament (after 29edo) whose perfect fifth is closer to just intonation than that of 12-ET, and is the seventh zeta integral edo after 31; it is not, however, a zeta gap edo. This has to do with the fact that it can deal with the 11-limit fairly well, and the 13-limit perhaps close enough for government work, though its 13/10 is 14 cents sharp. Various 13-limit magic extensions are supported by 41: 13-limit magic, and less successfully necromancy and witchcraft, all merge into one in 41edo tuning. The 41f val provides a superb tuning for sorcery, giving a less-complex version of the 13-limit, and the 41ef val likewise works well for telepathy; telepathy and sorcery merging into one however not in 41edo but in 22edo.
41edo is consistent in the 15 odd limit. In fact, all of its intervals between 100 and 1100 cents in size are 15-odd-limit consonances, although 16\41 as 13/10 is debatable. (In comparison, 31edo is only consistent up to the 11-limit, and the intervals 12/31 and 19/31 have no 11-limit approximations).
41-ET forms the foundation of the H-System, which uses the scale degrees of 41-ET as the basic 13-limit intervals requiring fine tuning +/- 1 average JND from the 41-ET circle in 205edo.
41edo is the 13th prime edo, following 37edo and coming before 43edo.
Commas
41 EDO tempers out the following commas using its patent val, < 41 65 95 115 142 152 168 174 185 199 203 |.
Name | color name | Monzo | Ratio | Cents | |
---|---|---|---|---|---|
odiheim | Luluquinzo-aquadgu | 1uuz5g4 | | -1 2 -4 5 -2 > | 0.15 | |
harmonisma | Thuthutrilo-aru | 3uu1o3r | | 3 -2 0 -1 3 -2 > | 10648/10647 | 0.16 |
tridecimal schisma, Sagittal schismina | Sathurugu | s3urg | | 12 -2 -1 -1 0 -1 > | 4096/4095 | 0.42 |
Lehmerisma | Loloruyoyo | 1ooryy | | -4 -3 2 -1 2 > | 3025/3024 | 0.57 |
Breedsma | Bizozogu | z4gg | | -5 -1 -2 4 > | 2401/2400 | 0.72 |
Eratosthenes' comma | Sanogu | s19og | | 6 -5 -1 0 0 0 0 1 > | 1216/1215 | 1.42 |
schisma | Layo | Ly | | -15 8 1 > | 32805/32768 | 1.95 |
squbema | Lathuru | L3ur | | -3 6 0 -1 0 -1 > | 729/728 | 2.38 |
septendecimal bridge comma | Sutholoruyo | 17u3o1ory | | -1 -1 1 -1 1 1 -1 > | 715/714 | 2.42 |
Swets' comma, swetisma | Lururuyo | 1urry | | 2 3 1 -2 -1 > | 540/539 | 3.21 |
undevicesimal comma, Boethius' comma | Lano | L19o | | -9 3 0 0 0 0 0 1 > | 513/512 | 3.38 |
moctdel | Lotriruyo | 1or3y | | -2 0 3 -3 1 > | 1375/1372 | 3.78 |
Beta 2, septimal schisma, garischisma | Sasaru | ssr | | 25 -14 0 -1 > | 3.80 | |
Werckmeister's undecimal septenarian schisma, werckisma | Luzozogu | 1uzzg | | -3 2 -1 2 -1 > | 441/440 | 3.93 |
cuthbert | Thuthulolozogu | 3uu1oozg | | 0 0 -1 1 2 -2 > | 847/845 | 4.09 |
undecimal kleisma, keenanisma | Lozoyo | 1ozg | | -7 -1 1 1 1 > | 385/384 | 4.50 |
gentle comma | Tholuluzo | 3o1uuz | | 2 -1 0 1 -2 1 > | 364/363 | 4.76 |
minthma | Thulo | 3u1o | | 5 -3 0 0 1 -1 > | 352/351 | 4.93 |
marveltwin | Thoyoyo | 3oyy | | -2 -4 2 0 0 1 > | 325/324 | 5.34 |
Beta 5, Garibaldi comma, hemifamity | Saruyo | sry | | 10 -6 1 -1 > | 5120/5103 | 5.76 |
hemimage | Satrizo-agu | sz3g | | 5 -7 -1 3 > | 10976/10935 | 6.48 |
septendecimal kleisma | Sugu | 17ug | | 8 -1 -1 0 0 0 -1 > | 256/255 | 6.78 |
small BP diesis, mirkwai | Quinru-aquadyo | r5y4 | | 0 3 4 -5 > | 16875/16807 | 6.99 |
neutral third comma, rastma | Lulu | 1uu | | -1 5 0 0 -2 > | 243/242 | 7.14 |
kestrel comma | Thuthuloru | 3uu1or | | 2 3 0 -1 1 -2 > | 1188/1183 | 7.30 |
septimal kleisma, marvel comma | Ruyoyo | ryy | | -5 2 2 -1 > | 225/224 | 7.71 |
huntma | Thururuyo | 3urry | | 7 0 1 -2 0 -1 > | 640/637 | 8.13 |
spleen comma | Nuluzoyo | 19u1uzy | | 1 1 1 1 -1 0 0 -1 > | 210/209 | 8.26 |
orgonisma | Satrilu-aruru | s1u3rr | | 16 0 0 -2 -3 > | 65536/65219 | 8.39 |
gamelan residue, gamelisma | Latrizo | Lz3 | | -10 1 0 3 > | 1029/1024 | 8.43 |
septendecimal comma | Lasu | L17u | | -7 7 0 0 0 0 -1 > | 2187/2176 | 8.73 |
mynucuma | Thuzozogu | 3uzzg | | 2 -1 -1 2 0 -1 > | 196/195 | 8.86 |
quince | Lasepzo-agugu | Lz7gg | | -15 0 -2 7 > | 9.15 | |
undecimal semicomma, pentacircle (minthma * gentle) | Saluzo | s1uz | | 7 -4 0 1 -1 > | 896/891 | 9.69 |
29th-partial chroma | Twenty-noyo | 29oy | | -4 -2 1 0 0 0 0 0 0 1 > | 145/144 | 11.98 |
grossma | Thulu | 3u1u | | 4 2 0 0 -1 -1 > | 144/143 | 12.06 |
gassorma | Thuloruyoyo | 3u1oryy | | 0 -1 2 -1 1 -1 > | 275/273 | 12.64 |
septimal semicomma, octagar | Rurutriyo | rry3 | | 5 -4 3 -2 > | 4000/3969 | 13.47 |
minor BP diesis, sensamagic | Zozoyo | zzy | | 0 -5 1 2 > | 245/243 | 14.19 |
secorian | Sathuzo | s3uz | | 12 -7 0 1 0 -1 > | 28672/28431 | 14.61 |
mirwomo comma | Labizoyo | Lzzyy | | -15 3 2 2 > | 33075/32768 | 16.14 |
vicesimotertial comma | Sa-twenty-tho | s23o | | 5 -6 0 0 0 0 0 0 1 > | 736/729 | 16.54 |
small tridecimal comma, animist | Thuzoyo | 3uzy | | -3 1 1 1 0 -1 > | 105/104 | 16.57 |
hemimin | Trilu-azo | 1u3z | | 6 1 0 1 -3 > | 1344/1331 | 16.83 |
Ptolemy's comma, ptolemisma | Luyoyo | 1uyy | | 2 -2 2 0 -1 > | 100/99 | 17.40 |
'41-tone' comma | Wa-41 | 41-edo | | 65 -41 > | 19.84 | |
tolerma | Sazoyoyo | szyy | | 10 -11 2 1 > | 19.95 | |
major BP diesis, gariboh | Triru-aquinyo | r3y5 | | 0 -2 5 -3 > | 3125/3087 | 21.18 |
cassacot | Luluzozoyo | 1uuzzy | | -1 0 1 2 -2 > | 245/242 | 21.33 |
keema | Zotriyo | zy3 | | -5 -3 3 1 > | 875/864 | 21.90 |
blackjackisma | Lasepru-aquadbiyo | Lr7y8 | | -10 7 8 -7 > | 22.41 | |
roda | Sasa-triyo | ssy3 | | 20 -17 3 > | 25.71 | |
minimal diesis, tetracot comma | Saquadyo | sy4 | | 5 -9 4 > | 20000/19683 | 27.66 |
small diesis, magic comma | Laquinyo | Ly5 | | -10 -1 5 > | 3125/3072 | 29.61 |
thuja comma | Saquinlu-ayo | s1u5y | | 15 0 1 0 -5 > | 29.72 | |
Ampersand's comma | Lala-tribiyo | LLy3 | | -25 7 6 > | 31.57 | |
great BP diesis | Rutribiyo | ry6 | | 0 -7 6 -1 > | 15625/15309 | 35.37 |
shibboleth | Tritriyo | y9 | | -5 -10 9 > | 57.27 |
Temperaments
List of edo-distinct 41et rank two temperaments
Intervals
Cents Value | 7mus | Approximate Ratios
in the 11-limit |
Ups and Downs Notation | Andrew's
Solfege Syllables |
Generator | Some MOS and MODMOS Scales Available | ||
---|---|---|---|---|---|---|---|---|
0 | 0.00 | 0 | 1/1 | P1 | D | do | ||
1 | 29.27 | 37.46 (25.7716) | 81/80, 64/63 | ^1 | ^D | di | ||
2 | 58.54 | 74.93 (4A.EB16) | 25/24, 28/27, 33/32 | ^^1, vm2 | ^^D, vEb | ro | Hemimiracle | |
3 | 87.805 | 112.39 (70.6416) | 21/20, 22/21 | vA1, m2 | vD#, Eb | rih | 88cET (approx), | |
4 | 117.07 | 149.85 (95.DA816) | 16/15, 15/14 | A1, m2 | D#, ^Eb | ra | Miracle | |
5 | 146.34 | 187.32 (BB.5116) | 12/11 | ~2 | ^D#, vvE | ru | Bohlen-Pierce/bohpier | |
6 | 175.61 | 224.78 (E0.C816) | 10/9, 11/10 | vM2 | vE | reh | Tetracot/bunya/monkey | 13-tone MOS: 1 5 1 5 1 5 1 5 5 1 5 1 5 |
7 | 204.88 | 262.24 (106.3E16) | 9/8 | M2 | E | re | Baldy | 11-tone MOS: 6 1 6 6 1 6 1 6 1 6 1 |
8 | 234.15 | 299.71 (12B.B516) | 8/7 | ^M2 | ^E | ri | Rodan/guiron | 11-tone MOS: 7 1 7 1 7 1 7 1 1 7 1 |
9 | 263.415 | 337.17 (151.2C16) | 7/6 | vm3 | vF | ma | Septimin | 9-tone MOS: 5 4 5 5 4 5 4 5 4 |
10 | 292.68 | 374.63 (176.A216) | 32/27, 13/11 | m3 | F | meh | Quasitemp | |
11 | 321.95 | 412.1 (1A0.1916) | 6/5 | ^m3 | ^F | me | Superkleismic | 11-tone MOS: 5 3 5 3 3 5 3 3 5 3 3 |
12 | 351.22 | 449.56 (1C5.916) | 11/9, 27/22 | ~3 | ^^F, vGb | mu | Hemififths/karadeniz | 10-tone MOS: 5 2 5 5 2 5 5 5 2 5 |
13 | 380.49 | 487.02 (1EB.0616) | 5/4 | vM3 | vF#, Gb | mi | Magic/witchcraft | 10-tone MOS: 2 9 2 2 9 2 2 9 2 2 |
14 | 409.76 | 524.49 (20C.7C816) | 14/11, 81/64 | M3 | F#, ^Gb | maa | Hocus | |
15 | 439.02 | 561.95 (231.F3816) | 9/7, 32/25 | ^M3 | ^F#, vvG | mo | 11-tone MOS: 4 3 4 4 4 3 4 4 3 4 4 | |
16 | 468.29 | 599.415 (257.6A16) | 21/16, 13/10 | v4 | vG | fe | Barbad | |
17 | 497.56 | 636.88 (27C.E116) | 4/3 | P4 | G | fa | Schismatic (helmholtz, garibaldi, cassandra) | |
18 | 526.83 | 674.34 (2A2.57816) | 15/11, 27/20 | ^4 | ^G | fih | Trismegistus | 9-tone MOS: 5 5 3 5 5 5 5 3 5 |
19 | 556.1 | 711.805 (2C7.CE16) | 11/8 | ~4 | ^^G, vAb | fu | ||
20 | 585.37 | 749.27 (2ED.4516) | 7/5 | vA4, d5 | vG#, Ab | fi | Pluto | |
21 | 614.63 | 786.73 (312.BB16) | 10/7 | A4, ^d5 | G#, ^Ab | se | ||
22 | 643.90 | 825.195 (347.3216) | 16/11, 13/9 | ~5 | vvA | su | ||
23 | 673.17 | 862.68 (35D.B8816) | 22/15, 40/27 | v5 | vA | sih | ||
24 | 702.44 | 899.12 (383.1F16) | 3/2 | P5 | A | sol | ||
25 | 731.71 | 936.585 (3A8.9616) | 32/21, 20/13 | ^5 | ^A | si | ||
26 | 760.98 | 994.05 (3CE.0C816) | 14/9, 25/16 | vm6 | ^^A, vBb | lo | ||
27 | 790.24 | 1011.51 (3F3.83816) | 11/7, 128/81 | m6 | vA#, Bb | leh | ||
28 | 819.51 | 1048.97 (418.FA16) | 8/5 | ^m6 | A#, ^Bb | le | ||
29 | 848.78 | 1086.44 (43D.716) | 18/11, 44/27 | ~6 | ^A#, vvB | lu | ||
30 | 878.05 | 1123.9 (463.F716) | 5/3 | vM6 | vB | la | ||
31 | 907.32 | 1161.37 (489.5E16) | 27/16 | M6 | B | laa | ||
32 | 936.59 | 1198.83 (4AE.D416) | 12/7 | ^M6 | ^B | li | ||
33 | 965.85 | 1236.29 (4D4.4B16) | 7/4 | vm7 | vC | ta | ||
34 | 995.12 | 1273.76 (4F9.C216,) | 16/9 | m7 | C | teh | ||
35 | 1024.39 | 1311.22 (51F.3816) | 9/5, 20/11 | ^m7 | ^C | te | ||
36 | 1053.66 | 1348.32 (544.AF16) | 11/6 | ~7 | ^^C, vDb | tu | ||
37 | 1082.93 | 1386.15 (57A.25816) | 15/8 | vM7 | vC#, Db | ti | ||
38 | 1112.195 | 1423.61 (58F.9C16) | 40/21, 21/11 | M7 | C#, ^Db | taa | ||
39 | 1141.46 | 1461.07 (5B5.1416) | 48/25, 27/14, 64/33 | ^M7 | C#^, vvD | to | ||
40 | 1170.73 | 1498.54 (5DA.8916) | 160/81, 63/32 | v8 | vD | da | ||
41 | 1200 | 1536 (60016) | 2/1 | P8 | D | do |
Combining ups and downs notation with color notation, qualities can be loosely associated with colors:
quality | color | monzo format | examples |
---|---|---|---|
downminor | zo | (a, b, 0, 1) | 7/6, 7/4 |
minor | fourthward wa | (a, b) with b < -1 | 32/27, 16/9 |
upminor | gu | (a, b, -1) | 6/5, 9/5 |
mid | ilo | (a, b, 0, 0, 1) | 11/9, 11/6 |
" | lu | (a, b, 0, 0, -1) | 12/11, 18/11 |
downmajor | yo | (a, b, 1) | 5/4, 5/3 |
major | fifthward wa | (a, b) with b > 1 | 9/8, 27/16 |
upmajor | ru | (a, b, 0, -1) | 9/7, 12/7 |
All 41edo chords can be named using ups and downs. Here are the zo, gu, ilo, yo and ru triads:
color of the 3rd | JI chord | notes as edosteps | notes of C chord | written name | spoken name |
---|---|---|---|---|---|
zo | 6:7:9 | 0-9-24 | C vEb G | Cvm | C downminor |
gu | 10:12:15 | 0-11-24 | C ^Eb G | C^m | C upminor |
ilo | 18:22:27 | 0-12-24 | C vvE G | C~ | C mid |
yo | 4:5:6 | 0-13-24 | C vE G | Cv | C downmajor or C down |
ru | 14:18:27 | 0-15-24 | C ^E G | C^ | C upmajor or C up |
0-10-20 = D F Ab = Ddim = D dim
0-10-21 = D F ^Ab = Ddim(^5) = D dim up-five
0-10-22 = D F vvA = Dm(~5) = D minor mid-five
0-10-23 = D F vA = Dm(v5) = D minor down-five
0-10-24 = D F A = Dm = D minor
0-14-24 = D F# A = D = D or D major
0-14-25 = D F# ^A = D(^5) = D up-five
0-14-26 = D F# ^^A = D(^^5) = D double-up-five, or possibly Daug(vv5)
0-14-27 = D F# vA# = Daug(v5) = D aug down-five
0-14-28 = D F# A# is Daug = D aug
etc.
For a more complete list, see Ups and Downs Notation - Chord names in other EDOs.
This chart shows 41-edo in a 12-edo-friendly format. Excellent for introducing 41-edo to musicians unfamiliar with xen. There are 12 "-ish" categories, where "-ish" means ±1 edostep. The 6 mid intervals are uncategorized, since they are all so far from 12edo. The two innermost and two outermost intervals on the spiral are duplicates.
The same spiral, but with notes not intervals:
Selected just intervals by error
The following table shows how some prominent just intervals are represented in 41edo (ordered by absolute error).
Interval, complement | Error (abs., in cents) |
4/3, 3/2 | 0.484 |
9/8, 16/9 | 0.968 |
15/14, 28/15 | 2.370 |
7/5, 10/7 | 2.854 |
8/7, 7/4 | 2.972 |
7/6, 12/7 | 3.456 |
13/11, 22/13 | 3.473 |
11/9, 18/11 | 3.812 |
9/7, 14/9 | 3.940 |
12/11, 11/6 | 4.296 |
11/8, 16/11 | 4.780 |
16/15, 15/8 | 5.342 |
5/4, 8/5 | 5.826 |
6/5, 5/3 | 6.310 |
10/9, 9/5 | 6.794 |
18/13, 13/9 | 7.285 |
14/11, 11/7 | 7.752 |
13/12, 24/13 | 7.769 |
16/13, 13/8 | 8.253 |
15/11, 22/15 | 10.122 |
11/10, 20/11 | 10.606 |
14/13, 13/7 | 11.225 |
15/13, 26/15 | 13.595 |
13/10, 20/13 | 14.079 |
Instruments
41-EDO Electric guitar, by Gregory Sanchez.
41-EDO Classical guitar, by Ron Sword.
The Kite Guitar (see also Kite Tuning) is a guitar fretting using every other step of 41-edo, i.e. 41-ED4 or "20½-edo". However, the interval between two adjacent open strings is always an odd number of 41-edosteps. Thus each string only covers half of 41-edo, but the full edo can be found on every pair of adjacent strings.The Kite Tuning makes 41-edo about as playable as 19-edo or 22-edo, although there are certain trade-offs.
A possible system to tune keyboards in 41EDO is discussed in http://launch.groups.yahoo.com/group/tuning/message/74155.
Scales and modes
A list of 41edo modes (MOS and others).
Harmonic Scale
41edo is the first edo to do some justice to Mode 8 of the harmonic series, which Dante Rosati calls the "Diatonic Harmonic Series Scale," consisting of overtones 8 through 16 (sometimes made to repeat at the octave).
Overtones in "Mode 8": | 8 | 9 | 10 | 11 | 12 | 13 | 14 | 15 | 16 |
...as JI Ratio from 1/1: | 1/1 | 9/8 | 5/4 | 11/8 | 3/2 | 13/8 | 7/4 | 15/8 | 2/1 |
...in cents: | 0 | 203.9 | 386.3 | 551.3 | 702.0 | 840.5 | 968.8 | 1088.3 | 1200.0 |
Nearest degree of 41edo: | 0 | 7 | 13 | 19 | 24 | 29 | 33 | 37 | 41 |
...in cents: | 0 | 204.9 | 380.5 | 556.1 | 702.4 | 848.8 | 965.9 | 1082.9 | 1200.0 |
While each overtone of Mode 8 is approximated within a reasonable degree of accuracy, the steps between the intervals are not uniquely represented. (41edo is, after all, a temperament.)
7\41 (7 degrees of 41edo) (204.9 cents) stands in for just ratio 9/8 (203.9 cents) -- a close match.
6\41 (175.6 cents) stands in for both 10/9 (182.4 cents) and 11/10 (165.0 cents).
5\41 (146.3 cents) stands in for both 12/11 (150.6 cents) and 13/12 (138.6 cents).
4\41 (117.1 cents) stands in for 14/13 (128.3 cents), 15/14 (119.4 cents), and 16/15 (111.7 cents).
The scale in 41, as adjacent steps, thus goes: 7 6 6 5 5 4 4 4.
Nonoctave Temperaments
Taking every third degree of 41edo produces a scale extremely close to 88cET or 88-cent equal temperament (or the 8th root of 3:2). Likewise, taking every fifth degree produces a scale very close to the equal-tempered Bohlen-Pierce Scale (or the 13th root of 3). See chart:
3 degrees of 41edo (near 88cET) | overlap | 5 degrees of 41edo (near BP) | ||||
deg of 41edo | deg of 88cET | cents | cents | cents | deg of BP | deg of 41edo |
---|---|---|---|---|---|---|
0 | 0 | 0 | 0 | 0 | ||
3 | 1 | 87.8 | ||||
146.3 | 1 | 5 | ||||
6 | 2 | 175.6 | ||||
9 | 3 | 263.4 | ||||
292.7 | 2 | 10 | ||||
12 | 4 | 351.2 | ||||
15 | 5 | 439.0 | 3 | 15 | ||
18 | 6 | 526.8 | ||||
585.4 | 4 | 20 | ||||
21 | 7 | 614.6 | ||||
24 | 8 | 702.4 | ||||
731.7 | 5 | 25 | ||||
27 | 9 | 790.2 | ||||
30 | 10 | 878.0 | 6 | 30 | ||
33 | 11 | 965.9 | ||||
1024.4 | 7 | 35 | ||||
36 | 12 | 1053.7 | ||||
39 | 13 | 1141.5 | ||||
1170.7 | 8 | 40 | ||||
[ second octave ] | ||||||
1 | 14 | 29.2 | ||||
4 | 15 | 117.1 | 9 | 4 | ||
7 | 16 | 204.9 | ||||
263.4 | 10 | 9 | ||||
10 | 17 | 292.7 | ||||
13 | 18 | 380.5 | ||||
409.8 | 11 | 14 | ||||
16 | 19 | 468.3 | ||||
19 | 20 | 556.1 | 12 | 19 | ||
22 | 21 | 643.9 | ||||
702.4 | 13 | 24 | ||||
25 | 22 | 731.7 | ||||
28 | 23 | 819.5 | ||||
848.8 | 14 | 29 | ||||
31 | 24 | 907.3 | ||||
34 | 25 | 995.1 | 15 | 34 | ||
37 | 26 | 1082.9 | ||||
1141.5 | 16 | 39 | ||||
40 | 27 | 1170.7 | ||||
[ third octave ] | ||||||
2 | 28 | 58.5 | ||||
87.8 | 17 | 3 | ||||
5 | 29 | 146.3 | ||||
8 | 30 | 234.1 | 18 | 8 | ||
11 | 31 | 322.0 | ||||
380.5 | 19 | 13 | ||||
14 | 32 | 409.8 | ||||
17 | 33 | 497.6 | ||||
526.8 | 20 | 18 | ||||
20 | 34 | 585.3 | ||||
23 | 35 | 673.2 | 21 | 23 | ||
26 | 36 | 761.0 | ||||
819.5 | 22 | 28 | ||||
29 | 37 | 848.8 | ||||
32 | 38 | 936.6 | ||||
965.9 | 23 | 33 | ||||
35 | 39 | 1024.4 | ||||
38 | 40 | 1112.2 | 24 | 38 |
Notation
A red-note/blue-note system, similar to the one proposed for 36edo, is one option for notating 41edo. (This is separate from and not compatible with Kite's color notation.) We have the "white key" albitonic notes A-G (7 in total), the "black key" sharps and flats (10 in total), a "red" and "blue" version of each albitonic note (14 in total), a "red" (dark red?) version of each sharp and a "blue" (dark blue?) version of each flat (10 in total), adding up to 41. This would result in quite a colorful keyboard! Note that there are no red flats or blue sharps. Using this nomenclature the notes are:
A, red A, blue Bb, Bb, A#, red A#, blue B, B, red B, blue C, C, red C, blue Db, Db, C#, red C#, blue D, D, red D, blue Eb, Eb, D#, red D#, blue E, E, red E, blue F, F, red F, blue Gb, Gb, F#, red F#, blue G, G, red G, blue Ab, Ab, G#, red G#, blue A, A.
Interval classes could also be named by analogy. The natural, colorless, or gray interval classes are the Pythagorean ones (which show up in the standard diatonic scale), while "red" and "blue" versions are one step higher or lower. Gray thirds, sixths, and sevenths are usually more dissonant than their colorful counterparts, but the reverse is true of fourths and fifths.
The step size of 41edo is small enough that the smallest interval (the "red/blue unison", seventh-tone, comma, diesis or whatever you want to call it) is actually fairly consonant with most timbres; it resembles a "noticeably out of tune unison" rather than a minor second, and has its own distinct character and appeal.
If "red" is replaced by "up", "blue" by "down", and "neutral" by "mid", and if "gray" is omitted, this notation becomes essentially the same as ups and downs notation. The only difference is the use of minor tritone and major tritone.
Music
EveningHorizon play by Cameron Bobro
Links
- Wikipedia article on 41edo
- Magic22 as srutis describes a possible use of 41edo for indian music.
- see also Magic family
- Sword, Ron. "Tetracontamonophonic Scales for Guitar"
- Taylor, Cam. Intervals, Scales and Chords in 41EDO, a work in progress using just intonation concepts and simplified Sagittal notation.
- ^ "Schismic Temperaments" at x31eq.com the website of Graham Breed
- ^ "Lattices with Decimal Notation" at x31eq.com
- ^ Schismatic temperament
- ^ Magic temperament