123edo

From Xenharmonic Wiki
Jump to navigation Jump to search

123edo is the equal division of the octave into 123 parts of 9.7561 cents each. It tempers out the valentine comma, 1990656/1953125 and the misty comma, 67108864/66430125 in the 5-limit; 126/125, 1029/1024 and 537824/531441 in the 7-limit, providing the optimal patent val for the gravid temperament; 243/242, 896/891, 2401/2376, and 3388/3375 in the 11-limit; 196/195, 351/350, 832/825, 1575/1573, and 2197/2178 in the 13-limit. As its inconsistency to the 7-limit and higher limit, the mapping <123 195 286 346| (123d) is also possible for the 7-limit. Using the 123d val, it tempers out 2430/2401, 3136/3125, and 5120/5103 in the 7-limit; 176/175, 243/242, 1375/1372, and 2560/2541 in the 11-limit; 169/168, 364/363, 640/637, 729/728, and 832/825 in the 13-limit. Using the 123ce val, it tempers out 1331/1323 in the 11-limit, as well as 225/224, 245/243, and 1029/1024; 275/273, 352/351, 847/845, 1573/1568, and 3185/3168 in the 13-limit. Using the 123e val, it tempers out 121/120, 176/175, and 441/440 in the 11-limit; 196/195, 351/350, 352/351, 1287/1280, and 2197/2187 in the 13-limit. Using the 123df val, it tempers out 144/143, 351/350, 352/351, and 847/845 in the 13-limit.