User:MisterShafXen/39ed4
| ← 37ed4 | 39ed4 | 41ed4 → |
39 equal divisions of the 4th harmonic (abbreviated 39ed4) is a nonoctave tuning system that divides the interval of 4/1 into 39 equal parts of about 61.5 ¢ each. Each step represents a frequency ratio of 41/39, or the 39th root of 4.
Intervals
| Steps | Cents | Approximate ratios | Note names |
|---|---|---|---|
| 0 | 0 | 1/1 | C |
| 1 | 61.5 | 27/26 | Db |
| 2 | 123.1 | 29/27 | vC# |
| 3 | 184.6 | 10/9, 29/26 | vD/^C# |
| 4 | 246.2 | 15/13 | ^D |
| 5 | 307.7 | ^Eb | |
| 6 | 369.2 | 21/17, 26/21 | D# |
| 7 | 430.8 | 9/7 | E |
| 8 | 492.3 | F | |
| 9 | 553.8 | 29/21 | Gb |
| 10 | 615.4 | 10/7, 27/19 | vF# |
| 11 | 676.9 | vG | |
| 12 | 738.5 | 23/15, 26/17, 29/19 | ^G |
| 13 | 800 | 27/17 | ^Ab |
| 14 | 861.5 | G# | |
| 15 | 923.1 | 17/10, 29/17 | A |
| 16 | 984.6 | 23/13 | Bb |
| 17 | 1046.2 | vA# | |
| 18 | 1107.7 | 17/9, 19/10 | vB |
| 19 | 1169.2 | vC | |
| 20 | 1230.8 | ^C | |
| 21 | 1292.3 | 19/9 | ^Db |
| 22 | 1353.8 | C# | |
| 23 | 1415.4 | 25/11 | D |
| 24 | 1476.9 | Eb | |
| 25 | 1538.5 | 17/7 | vD# |
| 26 | 1600 | vE | |
| 27 | 1661.5 | 13/5 | ^E/vF |
| 28 | 1723.1 | 19/7, 27/10 | ^F |
| 29 | 1784.6 | E# | |
| 30 | 1846.2 | 29/10 | F# |
| 31 | 1907.7 | 3/1 | G |
| 32 | 1969.2 | Ab | |
| 33 | 2030.8 | 29/9 | vG# |
| 34 | 2092.3 | vA | |
| 35 | 2153.8 | ^A | |
| 36 | 2215.4 | ^Bb | |
| 37 | 2276.9 | 26/7 | A# |
| 38 | 2338.5 | 27/7 | B |
| 39 | 2400 | C |