19th-octave temperaments: Difference between revisions

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-[[19edo]] has excellent 5-limit accuracy, but its quality of higher-limit approximation can be improved. This page accommodates a number of temperaments that are otherwise difficult to catalog because they belong to multiple families. Meanmag has the same 5-limit mapping as 19et with harmonics 7, 11, and 13 mapped to an independent generator for. Undevigintone has the same 2.3.5.7.13 subgroup mapping as 19et with harmonic 11 mapped to an independent generator.
+{{Technical data page}}
+{{Infobox fractional-octave|19}}
+[[19edo]] has excellent [[5-limit]] accuracy, but its quality of higher-limit approximation can be improved. This page accommodates a number of temperaments that are otherwise difficult to catalog because they belong to multiple families.
-See also [[enneadecal]] and [[superenneadecal]].
+* Graywood has the same 3-limit mapping as 19et, but harmonic [[5/1|5]] is mapped to an independent generator.
+* Meanmag has the same 5-limit mapping as 19et, but harmonic 7 is mapped to an independent generator.
+* Undevigintone has the same 7-limit mapping as 19et, but harmonic 11 is mapped to an independent generator.
+For graywood, see [[Syntonic–kleismic equivalence continuum #Graywood]].
+See also [[ragismic microtemperaments #Enneadecal|enneadecal]] and [[sensamagic clan #Superenneadecal|superenneadecal]].
 == Meanmag ==
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 {{Mapping|legend=1| 19 30 44 0 | 0 0 0 1 }}
 : mapping generators: ~25/24, ~7
-{{Multival|legend=1| 0 0 19 0 30 44 }}
+[[Optimal tuning]]s:
+* [[WE]]: ~25/24 = 63.2931{{c}}, ~7/4 = 963.6625{{c}}
-[[Optimal tuning]] ([[POTE]]): ~25/24 = 1\19, ~8/7 = 238.396
+: [[error map]]: {{val| +2.569 -3.162 -1.417 -0.026 }}
+* [[CWE]]: ~25/24 = 63.1579{{c}}, ~7/4 = 963.4030{{c}}
+: error map: {{val| 0.000 -7.218 -7.366 -5.423 }}
-{{Optimal ET sequence|legend=1| 19, 38, 57, 76, 95bc }}
+{{Optimal ET sequence|legend=1| 19, 57, 76, 171bbccdd }}
-[[Badness]]: 0.077023
+[[Badness]] (Sintel): 1.95
 === 11-limit ===
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 Mapping: {{mapping| 19 30 44 0 119 | 0 0 0 1 -1 }}
-Optimal tuning (POTE): ~25/24 = 1\19, ~8/7 = 233.486
+Optimal tunings:
+* WE: ~25/24 = 63.2535{{c}}, ~7/4 = 967.9769{{c}}
+* CWE: ~25/24 = 63.1579{{c}}, ~7/4 = 966.6112{{c}}
-{{Optimal ET sequence|legend=1| 19, 38, 57, 76 }}
+{{Optimal ET sequence|legend=0| 19, 38, 57 }}
-Badness: 0.066829
+Badness (Sintel): 2.21
-=== 13-limit ===
+==== 13-limit ====
 Subgroup: 2.3.5.7.11.13
@@ Line 40: / Line 51: @@
 Mapping: {{mapping| 19 30 44 0 119 17 | 0 0 0 1 -1 1 }}
-Optimal tuning (POTE): ~25/24 = 1\19, ~8/7 = 234.890
+Optimal tunings:
+* WE: ~25/24 = 63.2422{{c}}, ~7/4 = 966.3987{{c}}
+* CWE: ~25/24 = 63.1579{{c}}, ~7/4 = 965.3984{{c}}
-{{Optimal ET sequence|legend=1| 19, 38, 57, 76 }}
+{{Optimal ET sequence|legend=0| 19, 38, 57, 76 }}
-Badness: 0.045844
+Badness (Sintel): 1.89
 == Undevigintone ==
@@ Line 52: / Line 65: @@
 {{Mapping|legend=1| 19 30 44 53 0 | 0 0 0 0 1 }}
 : mapping generators: ~28/27, ~11
-[[Optimal tuning]] ([[POTE]]): ~28/27 = 1\19, ~11/8 = 538.047
+[[Optimal tuning]]s:
+* [[WE]]: ~28/27 = 63.3591{{c}}, ~11/8 = 539.7611{{c}}
+* [[CWE]]: ~28/27 = 63.1579{{c}}, ~11/8 = 540.6837{{c}}
 {{Optimal ET sequence|legend=1| 19, 38d }}
-[[Badness]]: 0.036387
+[[Badness]] (Sintel): 1.20
 === 13-limit ===
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 Mapping: {{mapping| 19 30 44 53 0 70 | 0 0 0 0 1 0 }}
-Optimal tuning (POTE): ~28/27 = 1\19, ~11/8 = 537.061
+Optimal tunings:
+* WE: ~28/27 = 63.3741{{c}}, ~11/8 = 538.8996{{c}}
+* CWE: ~28/27 = 63.1579{{c}}, ~11/8 = 539.4216{{c}}
-{{Optimal ET sequence|legend=1| 19, 38df }}
+{{Optimal ET sequence|legend=0| 19, 38df }}
-Badness: 0.022933
+Badness (Sintel): 0.948
-[[Category:Temperament collections]]
+{{Navbox fractional-octave}}
-[[Category:Fractional-octave temperaments]]
-[[Category:19edo]]
-[[Category:Rank 2]]