4L 8s: Difference between revisions

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{{MOS intro}}
{{MOS intro}}
This is the minor chromatic scale of [[Diminished]] temperament. Its period of 300¢ (~6:5) is divided into L s s, making a universally proper scale, but the harmonic entropy minimum for it is not particularly low. The name for this MOS scale is '''p-chro tetrawood'''.
This is the minor chromatic scale of [[Diminished]] temperament. Its period of 300¢ (~6:5) is divided into L s s, making a universally proper scale, but the harmonic entropy minimum for it is not particularly low. The name for this MOS scale is '''p-chro tetrawood'''.


==Modes==
==Modes==
{{MOS modes}}
{{MOS modes}}
== Intervals ==
{{MOS intervals}}


== Scale tree ==
== Scale tree ==
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{{todo|expand}}
[[Category:12-tone scales]]
[[Category:12-tone scales]]

Revision as of 00:20, 16 December 2024

↖ 3L 7s ↑ 4L 7s 5L 7s ↗
← 3L 8s 4L 8s 5L 8s →
↙ 3L 9s ↓ 4L 9s 5L 9s ↘
┌╥┬┬╥┬┬╥┬┬╥┬┬┐
│║││║││║││║│││
││││││││││││││
└┴┴┴┴┴┴┴┴┴┴┴┴┘
Scale structure
Step pattern LssLssLssLss
ssLssLssLssL
Equave 2/1 (1200.0 ¢)
Period 1\4 (300.0 ¢)
Generator size
Bright 2\12 to 1\4 (200.0 ¢ to 300.0 ¢)
Dark 0\4 to 1\12 (0.0 ¢ to 100.0 ¢)
TAMNAMS information
Related to 4L 4s (tetrawood)
With tunings 2:1 to 1:0 (hard-of-basic)
Related MOS scales
Parent 4L 4s
Sister 8L 4s
Daughters 12L 4s, 4L 12s
Neutralized 8L 4s
2-Flought 16L 8s, 4L 20s
Equal tunings
Equalized (L:s = 1:1) 2\12 (200.0 ¢)
Supersoft (L:s = 4:3) 7\40 (210.0 ¢)
Soft (L:s = 3:2) 5\28 (214.3 ¢)
Semisoft (L:s = 5:3) 8\44 (218.2 ¢)
Basic (L:s = 2:1) 3\16 (225.0 ¢)
Semihard (L:s = 5:2) 7\36 (233.3 ¢)
Hard (L:s = 3:1) 4\20 (240.0 ¢)
Superhard (L:s = 4:1) 5\24 (250.0 ¢)
Collapsed (L:s = 1:0) 1\4 (300.0 ¢)

4L 8s is a 2/1-equivalent (octave-equivalent) moment of symmetry scale containing 4 large steps and 8 small steps, with a period of 1 large step and 2 small steps that repeats every 300.0 ¢, or 4 times every octave. 4L 8s is a child scale of 4L 4s, expanding it by 4 tones. Generators that produce this scale range from 200 ¢ to 300 ¢, or from 0 ¢ to 100 ¢.

This is the minor chromatic scale of Diminished temperament. Its period of 300¢ (~6:5) is divided into L s s, making a universally proper scale, but the harmonic entropy minimum for it is not particularly low. The name for this MOS scale is p-chro tetrawood.

Modes

Modes of 4L 8s
UDP Cyclic
order
Step
pattern
8|0(4) 1 LssLssLssLss
4|4(4) 3 sLssLssLssLs
0|8(4) 2 ssLssLssLssL

Intervals

Intervals of 4L 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 100.0 ¢
Augmented 1-mosstep A1ms L 100.0 ¢ to 300.0 ¢
2-mosstep Diminished 2-mosstep d2ms 2s 0.0 ¢ to 200.0 ¢
Perfect 2-mosstep P2ms L + s 200.0 ¢ to 300.0 ¢
3-mosstep Perfect 3-mosstep P3ms L + 2s 300.0 ¢
4-mosstep Perfect 4-mosstep P4ms L + 3s 300.0 ¢ to 400.0 ¢
Augmented 4-mosstep A4ms 2L + 2s 400.0 ¢ to 600.0 ¢
5-mosstep Diminished 5-mosstep d5ms L + 4s 300.0 ¢ to 500.0 ¢
Perfect 5-mosstep P5ms 2L + 3s 500.0 ¢ to 600.0 ¢
6-mosstep Perfect 6-mosstep P6ms 2L + 4s 600.0 ¢
7-mosstep Perfect 7-mosstep P7ms 2L + 5s 600.0 ¢ to 700.0 ¢
Augmented 7-mosstep A7ms 3L + 4s 700.0 ¢ to 900.0 ¢
8-mosstep Diminished 8-mosstep d8ms 2L + 6s 600.0 ¢ to 800.0 ¢
Perfect 8-mosstep P8ms 3L + 5s 800.0 ¢ to 900.0 ¢
9-mosstep Perfect 9-mosstep P9ms 3L + 6s 900.0 ¢
10-mosstep Perfect 10-mosstep P10ms 3L + 7s 900.0 ¢ to 1000.0 ¢
Augmented 10-mosstep A10ms 4L + 6s 1000.0 ¢ to 1200.0 ¢
11-mosstep Diminished 11-mosstep d11ms 3L + 8s 900.0 ¢ to 1100.0 ¢
Perfect 11-mosstep P11ms 4L + 7s 1100.0 ¢ to 1200.0 ¢
12-mosstep Perfect 12-mosstep P12ms 4L + 8s 1200.0 ¢

Scale tree

Template:Scale tree