OTC 15L 9s

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Omnitetrachordal MODMOS scale

15L+9s

24 tones (10+4+10)

triforce, hemimist, nessafof; best at low L/s

P = 1.1733445018

Q = 3.390025129 (4/3 = 6L+4.5s)

L = 50.00 to 80.00 cents (52.93 cents @ P, 67.97 cents @ Q)

s = 0.00 to 50.00 cents (45.11 cents @ P, 20.05 cents @ Q)

9/8 = 3L+s (200.00 to 240.00 cents)

4/3 = 6L+4s (480.00 to 500.00 cents)

MOS generator = 2L+s (150.00 to 160.00 cents)

MOS period = 1/3 octave (400.00 cents)

notable EDOs: 39, 54, 63, 87

LsLLsLsLLsLLsLsLLsLLsLsL (MOS, not OTC)

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LLsssLLLsLLLsLLLsssLLLsL (OTC MODMOS) - gc 4,2,4,2,4,2,2; 4o

all modes:

sssLLLsLLL sssLLLsLLL sLLL
ssLLLsLLLs ssLLLsLLLs LLLs
sLLLsLLLss sLLL sLLLsLLLss
LLLsLLLsss LLLs LLLsLLLsss
LLsLLLsssL LLsL LLsLLLsssL
LsLLLsssLL LsLL LsLLLsssLL
sLLLsssLLL sLLL sLLLsssLLL
LLLsssLLLs LLLs LLLsssLLLs
LLsssLLLsL LLsL LLsssLLLsL
LsssLLLsLL LsLL LsssLLLsLL
sssLLLsLLL sLLL sssLLLsLLL
ssLLLsLLLs LLLs ssLLLsLLLs
sLLL sLLLsLLLss sLLLsLLLss
LLLs LLLsLLLsss LLLsLLLsss
LLsL LLsLLLsssL LLsLLLsssL
LsLL LsLLLsssLL LsLLLsssLL
sLLL sLLLsssLLL sLLLsssLLL sLLLsLLLss sLLLsLLLss sLLL
LLLs LLLsssLLLs LLLsssLLLs LLLsLLLsss LLLsLLLsss LLLs
LLsL LLsssLLLsL LLsssLLLsL LLsLLLsssL LLsLLLsssL LLsL
LsLL LsssLLLsLL LsssLLLsLL LsLLLsssLL LsLLLsssLL LsLL
sLLL sssLLLsLLL sssLLLsLLL sLLLsssLLL sLLLsssLLL sLLL
LLLs ssLLLsLLLs ssLLLsLLLs LLLsssLLLs LLLsssLLLs LLLs
LLsssLLLsL LLsssLLLsL LLsL
LsssLLLsLL LsssLLLsLL LsLL

24_15_09_LLsssLLLsL_LLsL_LLsssLLLsL.png

See also