149edo: Difference between revisions
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== Theory == | == Theory == | ||
149edo is the smallest division which is | 149edo is the smallest division which is [[consistency|uniquely consistent]] through the [[17-odd-limit]]. It has a general flat tendency, with the fifth 1.28 cents flat, but the major third is a quarter of a cent sharp. In the 5-limit it tempers out the [[sensipent comma]], 78732/78125; in the 7-limit, [[1029/1024]], [[3136/3125]] and [[19683/19600]]; in the 11-limit [[385/384]] and [[441/440]]; in the 13-limit [[351/350]] and [[676/675]]; in the 17-limit [[273/272]] and [[561/560]]; in the 19-limit [[286/285]] and [[343/342]]. It provides the [[optimal patent val]] for 7-, 11-, 13-, and 17-limit [[heinz]] temperament and the rank-3 temperament [[Gamelismic family #Ominous|ominous]] in the 13- and 17-limit. | ||
=== Prime harmonics === | === Prime harmonics === | ||
| Line 24: | Line 24: | ||
| 2.3 | | 2.3 | ||
| {{monzo| -236 149 }} | | {{monzo| -236 149 }} | ||
| | | {{mapping| 149 236 }} | ||
| +0.405 | | +0.405 | ||
| 0.405 | | 0.405 | ||
| Line 31: | Line 31: | ||
| 2.3.5 | | 2.3.5 | ||
| 78732/78125, {{monzo| -34 20 1 }} | | 78732/78125, {{monzo| -34 20 1 }} | ||
| | | {{mapping| 149 236 346 }} | ||
| +0.232 | | +0.232 | ||
| 0.411 | | 0.411 | ||
| Line 38: | Line 38: | ||
| 2.3.5.7 | | 2.3.5.7 | ||
| 1029/1024, 3136/3125, 19683/19600 | | 1029/1024, 3136/3125, 19683/19600 | ||
| | | {{mapping| 149 236 346 418 }} | ||
| +0.386 | | +0.386 | ||
| 0.445 | | 0.445 | ||
| Line 45: | Line 45: | ||
| 2.3.5.7.11 | | 2.3.5.7.11 | ||
| 385/384, 441/440, 3136/3125, 19683/19600 | | 385/384, 441/440, 3136/3125, 19683/19600 | ||
| | | {{mapping| 149 236 346 418 515 }} | ||
| +0.521 | | +0.521 | ||
| 0.481 | | 0.481 | ||
| Line 52: | Line 52: | ||
| 2.3.5.7.11.13 | | 2.3.5.7.11.13 | ||
| 351/350, 385/384, 441/440, 676/675, 847/845 | | 351/350, 385/384, 441/440, 676/675, 847/845 | ||
| | | {{mapping| 149 236 346 418 515 551 }} | ||
| +0.567 | | +0.567 | ||
| 0.451 | | 0.451 | ||
| Line 59: | Line 59: | ||
| 2.3.5.7.11.13.17 | | 2.3.5.7.11.13.17 | ||
| 273/272, 351/350, 385/384, 441/440, 676/675, 847/845 | | 273/272, 351/350, 385/384, 441/440, 676/675, 847/845 | ||
| | | {{mapping| 149 236 346 418 515 551 609 }} | ||
| +0.495 | | +0.495 | ||
| 0.453 | | 0.453 | ||
| Line 69: | Line 69: | ||
|+Table of rank-2 temperaments by generator | |+Table of rank-2 temperaments by generator | ||
! Periods<br>per 8ve | ! Periods<br>per 8ve | ||
! Generator | ! Generator* | ||
! Cents | ! Cents* | ||
! Associated<br>Ratio | ! Associated<br>Ratio* | ||
! Temperaments | ! Temperaments | ||
|- | |- | ||
| Line 96: | Line 96: | ||
| 193.29 | | 193.29 | ||
| 28/25 | | 28/25 | ||
| [[ | | [[Hemithirds]] | ||
|- | |- | ||
| 1 | | 1 | ||
| Line 140: | Line 140: | ||
| [[Heinz]] | | [[Heinz]] | ||
|} | |} | ||
<nowiki>*</nowiki> [[Normal lists|octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if it is distinct | |||
[[Category:Heinz]] | [[Category:Heinz]] | ||