Notation
Step ratio
Gamut
2:1 (11edo)
J , J&/K@, K , L , L&/M@, M , N , N&/O@, O , P , P&/J@, J
3:1 (15edo)
J , K@, J&, K , L , M@, L&, M , N , O@, N&, O , P , J@, P&, J
3:2 (18edo)
J , J&, K@, K , K&/L@, L , L&, M@, M , M&/N@, N , N&, O@, O , O&/P@, P , P&, J@, J
Tunings
Simple tunings
5L 2s for testing
Scale degree of 5L 2s
Scale degree
12edo (Basic, L:s = 2:1)
Approx. JI Ratios
Steps
Cents
Perfect 0-diadegree (unison)
0
0
1/1 (exact)
Minor 1-diadegree
1
100
Major 1-diadegree
2
200
Minor 2-diadegree
3
300
Major 2-diadegree
4
400
Perfect 3-diadegree
5
500
Augmented 3-diadegree
6
600
Diminished 4-diadegree
6
600
Perfect 4-diadegree
7
700
Minor 5-diadegree
8
800
Major 5-diadegree
9
900
Minor 6-diadegree
10
1000
Major 6-diadegree
11
1100
Perfect 7-diadegree (octave)
12
1200
2/1 (exact)
Actual 4L 3s tunings
Scale degree of 4L 3s
Scale degree
15edo (Hard, L:s = 3:1)
Approx. JI Ratios
Steps
Cents
Perfect 0-smidegree (unison)
0
0
1/1 (exact)
Minor 1-smidegree
1
80
Major 1-smidegree
3
240
Perfect 2-smidegree
4
320
Augmented 2-smidegree
6
480
Minor 3-smidegree
5
400
Major 3-smidegree
7
560
Minor 4-smidegree
8
640
Major 4-smidegree
10
800
Diminished 5-smidegree
9
720
Perfect 5-smidegree
11
880
Minor 6-smidegree
12
960
Major 6-smidegree
14
1120
Perfect 7-smidegree (octave)
15
1200
2/1 (exact)
Scale degree of 4L 3s
Scale degree
15edo (Hard, L:s = 3:1)
Approx. JI Ratios
Steps
Cents
Perfect 0-smidegree (unison)
0
0
1/1 (exact)
Minor 1-smidegree
1
80
Major 1-smidegree
3
240
Perfect 2-smidegree
4
320
Augmented 2-smidegree
6
480
Minor 3-smidegree
5
400
Major 3-smidegree
7
560
Minor 4-smidegree
8
640
Major 4-smidegree
10
800
Diminished 5-smidegree
9
720
Perfect 5-smidegree
11
880
Minor 6-smidegree
12
960
Major 6-smidegree
14
1120
Perfect 7-smidegree (octave)
15
1200
2/1 (exact)
Scale degree of 4L 3s
Scale degree
32edo (L:s = 5:4)
Approx. JI Ratios
Steps
Cents
Perfect 0-smidegree (unison)
0
0
1/1 (exact)
Minor 1-smidegree
4
150
Major 1-smidegree
5
187.5
Perfect 2-smidegree
9
337.5
Augmented 2-smidegree
10
375
Minor 3-smidegree
13
487.5
Major 3-smidegree
14
525
Minor 4-smidegree
18
675
Major 4-smidegree
19
712.5
Diminished 5-smidegree
22
825
Perfect 5-smidegree
23
862.5
Minor 6-smidegree
27
1012.5
Major 6-smidegree
28
1050
Perfect 7-smidegree (octave)
32
1200
2/1 (exact)
Proposed table output for MOS degrees template
Degree
2/1 step ratio (11edo)
3/1 step ratio (15edo)
3/2 step ratio (18edo)
Note name on J
Steps
Cents
Steps
Cents
Steps
Cents
Perf. unison
0
0¢
0
0¢
0
0¢
J
Aug. unison
1
109.1¢
2
160¢
1
66.7¢
J&
Min. 1-smidegree
1
109.1¢
1
80¢
2
133.3¢
K@
. . .
Dim. octave
10
1090.9¢
13
1040¢
17
1133.3¢
J@
Perf. octave
11
1200¢
15
1200¢
18
1200¢
J
Supersoft
Semisoft
Semihard
Superhard
Modes
Modes of 4L 3s
UDP
Cyclic order
Step pattern
6|0
1
LLsLsLs
5|1
6
LsLLsLs
4|2
4
LsLsLLs
3|3
2
LsLsLsL
2|4
7
sLLsLsL
1|5
5
sLsLLsL
0|6
3
sLsLsLL
Tuning spectrum