39ed5: Difference between revisions
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'''[[Ed5|Division of the 5th harmonic]] into 39 equal parts''' (39ed5) is a good [[hyperpyth]] tuning. The step size about 71.4439 cents. It is | '''[[Ed5|Division of the 5th harmonic]] into 39 equal parts''' (39ed5) is a good [[hyperpyth]] tuning. The step size about 71.4439 cents. It is compared to every fifth step of [[84edo]], but with the 5/1 rather than the 2/1 being just. | ||
{| class="wikitable" | {| class="wikitable" | ||
| Line 21: | Line 21: | ||
| | 142.8879 | | | 142.8879 | ||
| | 38/35, 25/23 | | | 38/35, 25/23 | ||
| | | | | | ||
|- | |- | ||
| | 3 | | | 3 | ||
| Line 36: | Line 36: | ||
| | 357.2197 | | | 357.2197 | ||
| | [[16/13]] | | | [[16/13]] | ||
| | | | | | ||
|- | |- | ||
| | 6 | | | 6 | ||
| Line 46: | Line 46: | ||
| | 500.1076 | | | 500.1076 | ||
| | [[4/3]] | | | [[4/3]] | ||
| | | | | | ||
|- | |- | ||
| | 8 | | | 8 | ||
| Line 66: | Line 66: | ||
| | 785.8834 | | | 785.8834 | ||
| | [[11/7]] | | | [[11/7]] | ||
| | | | | | ||
|- | |- | ||
| | 12 | | | 12 | ||
| | 857.3273 | | | 857.3273 | ||
| | 41/25, 23/14 | | | 41/25, 23/14 | ||
| | | | | | ||
|- | |- | ||
| | 13 | | | 13 | ||
| | 928.7712 | | | 928.7712 | ||
| | 70/41, 65/38 | | | 70/41, 65/38 | ||
| | | | | | ||
|- | |- | ||
| | 14 | | | 14 | ||
| Line 86: | Line 86: | ||
| | 1071.6591 | | | 1071.6591 | ||
| | [[13/7]] | | | [[13/7]] | ||
| | | | | | ||
|- | |- | ||
| | 16 | | | 16 | ||
| | 1143.1031 | | | 1143.1031 | ||
| | 29/15, 31/16 | | | 29/15, 31/16 | ||
| | | | | | ||
|- | |- | ||
| | 17 | | | 17 | ||
| | 1214.5470 | | | 1214.5470 | ||
| | 125/62, 115/57, 105/52 | | | 125/62, 115/57, 105/52 | ||
| | | | | | ||
|- | |- | ||
| | 18 | | | 18 | ||
| | 1285.9909 | | | 1285.9909 | ||
| | [[21/20|21/10]] | | | [[21/20|21/10]] | ||
| | | | | | ||
|- | |- | ||
| | 19 | | | 19 | ||
| Line 111: | Line 111: | ||
| | 1428.8788 | | | 1428.8788 | ||
| | 57/25, 105/46, 16/7 | | | 57/25, 105/46, 16/7 | ||
| | | | | | ||
|- | |- | ||
| | 21 | | | 21 | ||
| | 1500.3228 | | | 1500.3228 | ||
| | [[25/21|50/21]] | | | [[25/21|50/21]] | ||
| | | | | | ||
|- | |- | ||
| | 22 | | | 22 | ||
| | 1571.7667 | | | 1571.7667 | ||
| | 52/21, 57/23, 62/25 | | | 52/21, 57/23, 62/25 | ||
| | | | | | ||
|- | |- | ||
| | 23 | | | 23 | ||
| Line 131: | Line 131: | ||
| | 1714.6546 | | | 1714.6546 | ||
| | 35/13 | | | 35/13 | ||
| | | | | | ||
|- | |- | ||
| | 25 | | | 25 | ||
| | 1786.0985 | | | 1786.0985 | ||
| | 115/41, 160/57 | | | 115/41, 160/57 | ||
| | | | | | ||
|- | |- | ||
| | 26 | | | 26 | ||
| | 1857.5425 | | | 1857.5425 | ||
| | [[19/13|38/13]], 41/14 | | | [[19/13|38/13]], 41/14 | ||
| | | | | | ||
|- | |- | ||
| | 27 | | | 27 | ||
Revision as of 11:30, 17 January 2019
Division of the 5th harmonic into 39 equal parts (39ed5) is a good hyperpyth tuning. The step size about 71.4439 cents. It is compared to every fifth step of 84edo, but with the 5/1 rather than the 2/1 being just.
| degree | cents value | corresponding JI intervals |
comments |
|---|---|---|---|
| 0 | 0.0000 | exact 1/1 | |
| 1 | 71.4439 | 25/24, 24/23 | |
| 2 | 142.8879 | 38/35, 25/23 | |
| 3 | 214.3318 | 26/23, 43/38, 60/53, 17/15 | |
| 4 | 285.7758 | 33/28, 46/39, 13/11 | |
| 5 | 357.2197 | 16/13 | |
| 6 | 428.6636 | 32/25, 41/32, 50/39 | |
| 7 | 500.1076 | 4/3 | |
| 8 | 571.5515 | 25/18 | -11.0 cents from 7/5 |
| 9 | 642.9955 | 45/31 | |
| 10 | 714.4394 | 80/53, 77/51, 68/45, 65/43 | |
| 11 | 785.8834 | 11/7 | |
| 12 | 857.3273 | 41/25, 23/14 | |
| 13 | 928.7712 | 70/41, 65/38 | |
| 14 | 1000.2152 | 57/32, 98/55, 41/23 | -17.4 cents from 9/5 |
| 15 | 1071.6591 | 13/7 | |
| 16 | 1143.1031 | 29/15, 31/16 | |
| 17 | 1214.5470 | 125/62, 115/57, 105/52 | |
| 18 | 1285.9909 | 21/10 | |
| 19 | 1357.4349 | 35/16, 46/21, 125/57 | -7.6 cents from 11/5 |
| 20 | 1428.8788 | 57/25, 105/46, 16/7 | |
| 21 | 1500.3228 | 50/21 | |
| 22 | 1571.7667 | 52/21, 57/23, 62/25 | |
| 23 | 1643.2107 | 80/31, 75/29 | -11.0 cents from 13/5 |
| 24 | 1714.6546 | 35/13 | |
| 25 | 1786.0985 | 115/41, 160/57 | |
| 26 | 1857.5425 | 38/13, 41/14 | |
| 27 | 1928.9864 | 70/23 | +27.0 cents from 3/1 |
| 28 | 2000.4304 | 35/11 | |
| 29 | 2071.8743 | 43/13, 53/16 | |
| 30 | 2143.3182 | 31/9 | +24.7 cents from 17/5 |
| 31 | 2214.7622 | 18/5 | |
| 32 | 2286.2061 | 15/4 | -25.0 cents from 19/5 |
| 33 | 2357.6501 | 39/10 | |
| 34 | 2429.0940 | 65/16 | |
| 35 | 2500.5379 | 55/13 | +16.1 cents from 21/5 |
| 36 | 2571.9819 | 75/17, 53/12, 190/43, 115/26 | |
| 37 | 2643.4258 | 23/5 | +1.5 cents from 23/5 |
| 38 | 2714.8698 | 24/5 | |
| 39 | 2786.3137 | exact 5/1 | just major third plus two octaves |