unequaltemperament

mersenne_31

Degrees: 31  •  Period: 1200.00 cents  •  Source: Scala
File comments
! mersenne_31.scl ! ! 31-note choice system of Mersenne, Harmonie universelle (1636)
Playback
Select a tone, then click Begin. Use Arrow keys to step; Space stops. You can also use 1-0, qwertyuiop, asdfghjkl, zxcvbnm.
Overview (non-12°)
Degrees (now extended to 2 octaves)
# Raw Type Ratio Cents
1 25/24 ratio 25/24 70.67
2 16/15 ratio 16/15 111.73
3 10/9 ratio 10/9 182.40
4 9/8 ratio 9/8 203.91
5 75/64 ratio 75/64 274.58
6 32/27 ratio 32/27 294.13
7 6/5 ratio 6/5 315.64
8 100/81 ratio 100/81 364.81
9 5/4 ratio 5/4 386.31
10 125/96 ratio 125/96 456.99
11 320/243 ratio 320/243 476.54
12 4/3 ratio 4/3 498.04
13 25/18 ratio 25/18 568.72
14 45/32 ratio 45/32 590.22
15 64/45 ratio 64/45 609.78
16 36/25 ratio 36/25 631.28
17 40/27 ratio 40/27 680.45
18 3/2 ratio 3/2 701.96
19 25/16 ratio 25/16 772.63
20 128/81 ratio 128/81 792.18
21 8/5 ratio 8/5 813.69
22 400/243 ratio 400/243 862.85
23 5/3 ratio 5/3 884.36
24 125/72 ratio 125/72 955.03
25 225/128 ratio 225/128 976.54
26 16/9 ratio 16/9 996.09
27 9/5 ratio 9/5 1017.60
28 50/27 ratio 50/27 1066.76
29 15/8 ratio 15/8 1088.27
30 125/64 ratio 125/64 1158.94
31 2/1 ratio 2/1 1200.00
32 2nd octave 1270.67
33 2nd octave 1311.73
34 2nd octave 1382.40
35 2nd octave 1403.91
36 2nd octave 1474.58
37 2nd octave 1494.13
38 2nd octave 1515.64
39 2nd octave 1564.81
40 2nd octave 1586.31
41 2nd octave 1656.99
42 2nd octave 1676.54
43 2nd octave 1698.04
44 2nd octave 1768.72
45 2nd octave 1790.22
46 2nd octave 1809.78
47 2nd octave 1831.28
48 2nd octave 1880.45
49 2nd octave 1901.96
50 2nd octave 1972.63
51 2nd octave 1992.18
52 2nd octave 2013.69
53 2nd octave 2062.85
54 2nd octave 2084.36
55 2nd octave 2155.03
56 2nd octave 2176.54
57 2nd octave 2196.09
58 2nd octave 2217.60
59 2nd octave 2266.76
60 2nd octave 2288.27
61 2nd octave 2358.94
62 2nd octave 2400.00