13ed9/4
| ← 11ed9/4 | 13ed9/4 | 15ed9/4 → |
(semiconvergent)
13ed9/4 is the equal division of 9/4 into 13 parts.
Scale tree
Ed9/4 scales can be approximated in EDOs by subdividing their approximations of 9/4.
| Major ninth | Period | Notes | |||
|---|---|---|---|---|---|
| 1/1 | 92.308 | Soft Phrygian mode begins | |||
| 23\22 | 96.5035 | ||||
| 22\21 | 96.703 | Soft Phrygian mode ends, Thirdtone Phrygian mode begins | |||
| 21\20 | 96.923 | ||||
| 20\19 | 97.166 | ||||
| 19\18 | 97.436 | ||||
| 37\35 | 97.582 | ||||
| 18\17 | 97.738 | ||||
| 17\16 | 98.077 | ||||
| 16\15 | 98.4615 | Thirdtone Phrygian mode ends | |||
| 15\14 | 98.901 | Semitone Phrygian mode begins | |||
| 14\13 | 99.408 | ||||
| 27\25 | 99.692 | ||||
| 13\12 | 100 | ||||
| 12\11 | 100.699 | ||||
| 11\10 | 101.5385 | Semitone Phrygian mode ends, Intense Phrygian mode begins | |||
| 21\19 | 102.024 | ||||
| 10\9 | 102.564 | Intense Phrygian mode ends, Intense Phrygian-Soft Aeolian mode begins | |||
| 19\17 | 103.167 | ||||
| 9\8 | 103.846 | Intense Phrygian-Soft Aeolian mode ends, Soft Aeolian mode begins | |||
| 17\15 | 104.615 | ||||
| 8\7 | 105.4945 | Soft Aeolian mode ends, Flattone Aeolian mode begins | |||
| 15\13 | 106.509 | ||||
| 22\19 | 106.883 | Flattone Aeolian mode ends, Meantone Aeolian mode begins | |||
| 29\25 | 107.077 | ||||
| 7\6 | 107.692 | Meantone Aeolian mode ends, Superpyth Intense Aeolian mode begins | |||
| 20\17 | 108.597 | ||||
| 13\11 | 109.09 | Superpyth Intense Aeolian mode ends, Ultrapyth Intense Aeolian mode begins | |||
| 19\16 | 109.615 | ||||
| 6\5 | 110.769 | Ultrapyth Intense Aeolian mode ends | |||