1L 8s

From Xenharmonic Wiki
Jump to navigation Jump to search
↑ 1L 7s 2L 7s ↗
1L 8s 2L 8s →
↓ 1L 9s 2L 9s ↘
┌╥┬┬┬┬┬┬┬┬┐
│║│││││││││
│││││││││││
└┴┴┴┴┴┴┴┴┴┘
Scale structure
Step pattern Lssssssss
ssssssssL
Equave 2/1 (1200.0¢)
Period 2/1 (1200.0¢)
Generator size
Bright 8\9 to 1\1 (1066.7¢ to 1200.0¢)
Dark 0\1 to 1\9 (0.0¢ to 133.3¢)
Related MOS scales
Parent 1L 7s
Sister 8L 1s
Daughters 9L 1s, 1L 9s
Neutralized 2L 7s
2-Flought 10L 8s, 1L 17s
Equal tunings
Equalized (L:s = 1:1) 8\9 (1066.7¢)
Supersoft (L:s = 4:3) 25\28 (1071.4¢)
Soft (L:s = 3:2) 17\19 (1073.7¢)
Semisoft (L:s = 5:3) 26\29 (1075.9¢)
Basic (L:s = 2:1) 9\10 (1080.0¢)
Semihard (L:s = 5:2) 19\21 (1085.7¢)
Hard (L:s = 3:1) 10\11 (1090.9¢)
Superhard (L:s = 4:1) 11\12 (1100.0¢)
Collapsed (L:s = 1:0) 1\1 (1200.0¢)

1L 8s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 1 large step and 8 small steps, repeating every octave. Generators that produce this scale range from 1066.7¢ to 1200¢, or from 0¢ to 133.3¢.

This MOS represents temperaments like Miracle and Negri. Of all the temperaments it represents, the harmonic entropy minimum is the one where the scale is generated by an interval near 3\28 (around 14/13).

Modes

Modes of 1L 8s
UDP Cyclic
order
Step
pattern
8|0 1 Lssssssss
7|1 9 sLsssssss
6|2 8 ssLssssss
5|3 7 sssLsssss
4|4 6 ssssLssss
3|5 5 sssssLsss
2|6 4 ssssssLss
1|7 3 sssssssLs
0|8 2 ssssssssL

Degrees

Scale degrees of the modes of 1L 8s 
UDP Cyclic
order
Step
pattern
Scale degree (mosdegree)
0 1 2 3 4 5 6 7 8 9
8|0 1 Lssssssss Perf. Aug. Maj. Maj. Maj. Maj. Maj. Maj. Perf. Perf.
7|1 9 sLsssssss Perf. Perf. Maj. Maj. Maj. Maj. Maj. Maj. Perf. Perf.
6|2 8 ssLssssss Perf. Perf. Min. Maj. Maj. Maj. Maj. Maj. Perf. Perf.
5|3 7 sssLsssss Perf. Perf. Min. Min. Maj. Maj. Maj. Maj. Perf. Perf.
4|4 6 ssssLssss Perf. Perf. Min. Min. Min. Maj. Maj. Maj. Perf. Perf.
3|5 5 sssssLsss Perf. Perf. Min. Min. Min. Min. Maj. Maj. Perf. Perf.
2|6 4 ssssssLss Perf. Perf. Min. Min. Min. Min. Min. Maj. Perf. Perf.
1|7 3 sssssssLs Perf. Perf. Min. Min. Min. Min. Min. Min. Perf. Perf.
0|8 2 ssssssssL Perf. Perf. Min. Min. Min. Min. Min. Min. Dim. Perf.

Intervals

Intervals of 1L 8s
Intervals Steps
subtended
Range in cents
Generic Specific Abbrev.
0-mosstep Perfect 0-mosstep P0ms 0 0.0¢
1-mosstep Perfect 1-mosstep P1ms s 0.0¢ to 133.3¢
Augmented 1-mosstep A1ms L 133.3¢ to 1200.0¢
2-mosstep Minor 2-mosstep m2ms 2s 0.0¢ to 266.7¢
Major 2-mosstep M2ms L + s 266.7¢ to 1200.0¢
3-mosstep Minor 3-mosstep m3ms 3s 0.0¢ to 400.0¢
Major 3-mosstep M3ms L + 2s 400.0¢ to 1200.0¢
4-mosstep Minor 4-mosstep m4ms 4s 0.0¢ to 533.3¢
Major 4-mosstep M4ms L + 3s 533.3¢ to 1200.0¢
5-mosstep Minor 5-mosstep m5ms 5s 0.0¢ to 666.7¢
Major 5-mosstep M5ms L + 4s 666.7¢ to 1200.0¢
6-mosstep Minor 6-mosstep m6ms 6s 0.0¢ to 800.0¢
Major 6-mosstep M6ms L + 5s 800.0¢ to 1200.0¢
7-mosstep Minor 7-mosstep m7ms 7s 0.0¢ to 933.3¢
Major 7-mosstep M7ms L + 6s 933.3¢ to 1200.0¢
8-mosstep Diminished 8-mosstep d8ms 8s 0.0¢ to 1066.7¢
Perfect 8-mosstep P8ms L + 7s 1066.7¢ to 1200.0¢
9-mosstep Perfect 9-mosstep P9ms L + 8s 1200.0¢

Scale tree

Generator ranges:

  • Chroma-positive generator: 1066.6667 cents (8\9) to 1200 cents (1\1)
  • Chroma-negative generator: 0 cents (0\1) to 133.3333 cents (1\9)
Small step
(chroma-negative generator)
Cents L s L/s Comments
1\9 133.333 1 1 1.000
5\46 130.435 6 5 1.200
4\37 129.730 5 4 1.250
7\65 129.231 9 7 1.286
3\28 128.571 4 3 1.333
8\75 128.000 11 8 1.375
5\47 127.660 7 5 1.400
7\66 127.273 10 7 1.429
2\19 126.316 3 2 1.500 Negri
7\67 125.373 11 7 1.571
5\48 125.000 8 5 1.600
8\77 124.675 13 8 1.625 Golden negri (124.7656¢)
3\29 124.138 5 3 1.667
7\68 123.529 12 7 1.714
4\39 123.077 7 4 1.750
5\49 122.449 9 5 1.800
1\10 120.000 2 1 2.000 Basic 1L 8s
(small steps larger than this are proper)
4\41 117.073 9 4 2.250 Miracle
3\31 116.129 7 3 2.333 Miracle/revelation
5\52 115.385 12 5 2.400
2\21 114.286 5 2 2.500
5\53 113.208 13 5 2.600 Golden misneb (113.0153¢)
3\32 112.500 8 3 2.667
4\43 111.628 11 4 2.750
1\11 109.091 3 1 3.000
3\34 105.882 10 3 3.333
2\23 104.348 7 2 3.500
3\35 102.857 11 3 3.667
1\12 100.000 4 1 4.000 Ripple
2\25 96.000 9 2 4.500 Passion
1\13 92.308 5 1 5.000
1\14 85.714 6 1 6.000
0\1 0.000 1 0 → inf