Deneb: Difference between revisions
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Deneb does not have sevens and as such the most simple approach to no-twos harmony (using the chord 3:5:7) does not work. Due to its approximation of 11/9 and 11/5, the otonal chord 5:9:11 and its utonal inversion 45:55:99 is well-represented. The utonal chord in particular sounds surprisingly consonant for a no-twos chord, while the otonal chord sounds more strained but still somewhat consonant. | Deneb does not have sevens and as such the most simple approach to no-twos harmony (using the chord 3:5:7) does not work. Due to its approximation of 11/9 and 11/5, the otonal chord 5:9:11 and its utonal inversion 45:55:99 is well-represented. The utonal chord in particular sounds surprisingly consonant for a no-twos chord, while the otonal chord sounds more strained but still somewhat consonant. | ||
== Temperament data == | == Temperament data == | ||
[[ | For formal temperament data, see [[No-twos subgroup temperaments#Deneb]]. | ||
[[Category:Temperaments]] | [[Category:Temperaments]] | ||
Revision as of 00:09, 23 August 2024
Deneb is a tritave-repeating rank-2 temperament that tempers out the comma 6655/6561 in the 3.5.11 subgroup, the amount by which 4 11/9's exceed 11/5. Having a generator of ~11/9, it possesses MOS scales of the families 1L 4s<3/1>, 5L 1s<3/1>, 6L 5s<3/1>, and 11L 6s<3/1>. Good tunings for this temperament are 11edt, 17edt, 28edt, 39edt and 45edt.
Interval chain (POTE tuning)
| Generators up | Cents | Generators down | Cents |
|---|---|---|---|
| 0 | 0.00 | 0 | 0.00 |
| 1 | 340.24 | 1 | 1561.72 |
| 2 | 680.48 | 2 | 1221.48 |
| 3 | 1020.72 | 3 | 881.24 |
| 4 | 1360.96 | 4 | 541.00 |
| 5 | 1701.20 | 5 | 200.76 |
| 6 | 139.48 | 6 | 1762.48 |
| 7 | 479.72 | 7 | 1422.24 |
| 8 | 819.96 | 8 | 1082.00 |
| 9 | 1160.20 | 9 | 741.76 |
Harmony
Deneb does not have sevens and as such the most simple approach to no-twos harmony (using the chord 3:5:7) does not work. Due to its approximation of 11/9 and 11/5, the otonal chord 5:9:11 and its utonal inversion 45:55:99 is well-represented. The utonal chord in particular sounds surprisingly consonant for a no-twos chord, while the otonal chord sounds more strained but still somewhat consonant.
Temperament data
For formal temperament data, see No-twos subgroup temperaments#Deneb.