OTC 7L 14s

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Omnitetrachordal MODMOS scale

7L+14s

21 tones (9+3+9)

whitewood; requires high L/s; 2 forms

Q2 = 3.2777408456 (4/3 = 3L+5.5s)

P = 8.5554816911

Q1 = 13.8332225367 (4/3 = 3L+4.5s)

L = 57.14 to 171.43 cents (106.47 cents @ Q2, 138.95 cents @ P, 149.77 cents @ Q1)

s = 0.00 to 57.14 cents (32.48 cents @ Q1, 16.24 cents @ P, 10.83 cents @ Q2)

9/8 = L+4s (171.43 to 285.71 cents)

4/3 = 3L+5s (457.14 to 514.29 cents)

MOS generator: s (0.00 to 57.14 cents)

MOS period: 1/7 octave (171.43 cents)

notable EDOs: 42, 49, 56

ssLssLssLssLssLssLssL (MOS, not OTC)

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sLssssLsLLssssLsLLsss (OTC form 1) - gc 5,5,2,5,2, 2o; pc 3,3,3,2,2,2, 6o

ssLssLssLssLssLssLssL (MOS, not OTC)

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sLssssLssssLLsLssssLL (OTC form 2) - gc 5,5,2,5,2, 2o; pc 3,3,3,2,2,2, 6o

ssssLssssLsLLssssLsLL (form 1)

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ssssLssssLLsLssssLLsL (form 2)

all modes, form 1:

ssssL ssssLsLL ssssLsLL
sssLs sssLsLLs sssLsLLs
ssLss ssLsLLss ssLsLLss
sLsss sLsLLsss sLsLLsss
Lssss LsLLssss LsLLssss LssssLsL LssssLsL Lssss
ssssL sLLssssL sLLssssL ssssLsLL ssssLsLL ssssL
sssLs LLssssLs LLssssLs sssLsLLs sssLsLLs sssLs
ssLsLLss ssLsLLss ssLss
sLsLLsss sLsLLsss sLsss
LsLLssss LsLLssss Lssss
sLLssssL sLLssssL ssssL
LLssssLs LLssssLs sssLs
LssssLsL Lssss LssssLsL
ssssLsLL ssssL ssssLsLL
sssLsLLs sssLs sssLsLLs
ssLsLLss ssLss ssLsLLss
sLsLLsss sLsss sLsLLsss
LsLLssss Lssss LsLLssss
sLLssssL ssssL sLLssssL
LLssssLs sssLs LLssssLs
Lssss LssssLsL LssssLsL

all modes, form 2:

ssssL ssssLLsL ssssLLsL
sssLs sssLLsLs sssLLsLs
ssLss ssLLsLss ssLLsLss
sLsss sLLsLsss sLLsLsss sLssssLL sLssssLL sLsss
Lssss LLsLssss LLsLssss LssssLLs LssssLLs Lssss
ssssL LsLssssL LsLssssL ssssLLsL ssssLLsL ssssL
sssLLsLs sssLLsLs sssLs
ssLLsLss ssLLsLss ssLss
sLLsLsss sLLsLsss sLsss
LLsLssss LLsLssss Lssss
LsLssssL LsLssssL ssssL
sLssssLL sLsss sLssssLL
LssssLLs Lssss LssssLLs
ssssLLsL ssssL ssssLLsL
sssLLsLs sssLs sssLLsLs
ssLLsLss ssLss ssLLsLss
sLLsLsss sLsss sLLsLsss
LLsLssss Lssss LLsLssss
LsLssssL ssssL LsLssssL
sLsss sLssssLL sLssssLL
Lssss LssssLLs LssssLLs

21_07_14_ssLsLLsss_sLs_sssLsLLss.png

See also