Xenial: Difference between revisions

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Created page with "{{Infobox regtemp | Title = Xenial | Subgroups = 2.3.5.7, 2.3.5.7.13, 2.3.5.7.13.23, 2.3.5.7.11.13.17.19.23 | Comma basis = 126/125, 177147/175616 (7-limit); <br>126/125, 162/161, 169/168, 171/170, 221/220, 231/230, 256/255 (23-limit) | Edo join 1 = 19 | Edo join 2 = 70 | Mapping = 1; -9 -17 -33 22 -21 26 27 -3 | Generators = 10/9 | Generators tuning = 188.8 | Optimization method = CWE | MOS scales = 6L 1s, 6L 7s, 13L 6s, [..."
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| Generators = 10/9 | Generators tuning = 188.8 | Optimization method = CWE
| Generators = 10/9 | Generators tuning = 188.8 | Optimization method = CWE
| MOS scales = [[6L 1s]], [[6L 7s]], [[13L 6s]], [[19L 13s]], [[19L 32s]]
| MOS scales = [[6L 1s]], [[6L 7s]], [[13L 6s]], [[19L 13s]], [[19L 32s]]
| Pergen = (P8, P11/3)
| Pergen = (P8, P11/9)
| Odd limit 1 = 7 | Mistuning 1 = 4.6 | Complexity 1 = 51
| Odd limit 1 = 7 | Mistuning 1 = 4.6 | Complexity 1 = 51
}}
}}
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== Tunings ==
== Tunings ==
=== Norm-based tunings ===
{| class="wikitable mw-collapsible mw-collapsed"
|+ style="font-size: 105%; white-space: nowrap;" | 7-limit norm-based tunings
|-
! rowspan="2" |
! colspan="3" | Euclidean
|-
! Constrained
! Constrained & skewed
! Destretched
|-
! Tenney
| CTE: ~10/9 = 188.8535 {{c}}
| CWE: ~10/9 = 188.8544 {{c}}
| POTE: ~10/9 = 188.8548 {{c}}
|}
{| class="wikitable mw-collapsible mw-collapsed"
|+ style="font-size: 105%; white-space: nowrap;" | 23-limit norm-based tunings
|-
! rowspan="2" |
! colspan="3" | Euclidean
|-
! Constrained
! Constrained & skewed
! Destretched
|-
! Tenney
| CTE: ~10/9 = 188.7849 {{c}}
| CWE: ~10/9 = 188.7755 {{c}}
| POTE: ~10/9 = 188.7744 {{c}}
|}
=== Tuning spectrum ===
=== Tuning spectrum ===
{| class="wikitable center-all left-4"
{| class="wikitable center-all left-4"

Revision as of 11:03, 3 May 2026

Xenial
Subgroups 2.3.5.7, 2.3.5.7.13, 2.3.5.7.13.23, 2.3.5.7.11.13.17.19.23
Comma basis 126/125, 177147/175616 (7-limit);
126/125, 162/161, 169/168, 171/170, 221/220, 231/230, 256/255 (23-limit)
Reduced mapping ⟨1; -9 -17 -33 22 -21 26 27 -3]
ET join 19 & 70
Generators (CWE) ~10/9 = 188.8 ¢
MOS scales 6L 1s, 6L 7s, 13L 6s, 19L 13s, 19L 32s
Ploidacot zeta-enneacot
Pergen (P8, P11/9)
Minimax error 7-odd-limit: 4.6 ¢
Target scale size 7-odd-limit: 51 notes

Xenial is a rank-2 temperament that is generated by a sharpened minor whole tone of ~10/9, so that nine generators reach 4/3, 17 reach 8/5, 21 reach 16/13 and 33 reach 8/7 with octave reduction. It is also generated by dividing 11th harmonic into 22 equal parts, 17th harmonic into 26 equal parts, or 19th harmonic into 27 equal parts.

See Starling temperaments #Xenial for more technical data.

Tunings

Norm-based tunings

7-limit norm-based tunings
Euclidean
Constrained Constrained & skewed Destretched
Tenney CTE: ~10/9 = 188.8535  ¢ CWE: ~10/9 = 188.8544  ¢ POTE: ~10/9 = 188.8548  ¢
23-limit norm-based tunings
Euclidean
Constrained Constrained & skewed Destretched
Tenney CTE: ~10/9 = 188.7849  ¢ CWE: ~10/9 = 188.7755  ¢ POTE: ~10/9 = 188.7744  ¢

Tuning spectrum

Edo
generator
Eigenmonzo
(unchanged interval)
Generator (¢) Comments
9/5 182.404
13/10 186.447
5 ⧵ 32 187.500 32cddefgh val
Lower bound of 7-odd-limit diamond monotone
23/12 187.720
13/9 187.794
23/13 188.208
8 ⧵ 51 188.235 51cdh val
Lower bound of 9-odd-limit diamond monotone
23/18 188.291
13/12 188.452
15/14 188.492
13/8 188.546
11 ⧵ 70 188.571 Lower bound of 11, 13, 15 and 17-odd-limit diamond monotone
7/5 188.593
21/20 188.621
23/14 188.648
17/16 188.652
23/21 188.654
3/2 188.672
23/15 188.6959
11/8 188.6963
23/20 188.711
14 ⧵ 89 188.764 19, 21 and 23-odd-limit diamond monotone (singleton)
21/16 188.791
19/16 188.797
7/4 188.823
7/6 188.880
15/8 188.913
9/7 189.006
21/13 189.036
5/4 189.040
14/13 189.308
5/3 189.455
3 ⧵ 19 189.473 Upper bound of 7, 9, 11, 13, 15 and 17-odd-limit diamond monotone
15/13 190.452
23/16 190.575