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{{Infobox ET}}
{{Infobox ET}}
{{EDO intro}}
{{ED intro}}


== Theory ==
== Theory ==
While not highly accurate for its size, 229edo is the point where a few important temperaments meet, and is [[distinctly consistent]] in the [[11-odd-limit]]. It [[tempers out]] 393216/390625 ([[würschmidt comma]]) and {{monzo| 39 -29 3 }} ([[tricot comma]]) in the 5-limit; [[2401/2400]], [[3136/3125]], [[6144/6125]], and [[14348907/14336000]] in the 7-limit; [[3025/3024]], [[3388/3375]], [[8019/8000]], [[14641/14580]] and 15488/15435 in the 11-limit, notably [[support|supporting]] [[hemiwürschmidt]], [[newt]], and [[trident]].  
While not highly accurate for its size, 229edo is the point where a few important temperaments meet, and is [[consistency|distinctly consistent]] in the [[11-odd-limit]]. It [[tempering out|tempers out]] 393216/390625 ([[würschmidt comma]]) and {{monzo| 39 -29 3 }} ([[alphatricot comma]]) in the [[5-limit]]; [[2401/2400]], [[3136/3125]], [[6144/6125]], and [[14348907/14336000]] in the [[7-limit]]; [[3025/3024]], [[3388/3375]], [[8019/8000]], [[14641/14580]] and 15488/15435 in the [[11-limit]], notably [[support]]ing [[hemiwürschmidt]], [[newt]], and [[alphatrident]].  


It extends less well to the 13-limit. Using the [[patent val]] {{val| 229 363 532 643 792 '''847''' }}, it tempers out [[351/350]], [[1573/1568]], [[2080/2079]], and [[4096/4095]]. Using the alternative 229f val {{val| 229 363 532 643 792 '''848''' }}, it tempers out [[352/351]], [[729/728]], [[1001/1000]], and [[1716/1715]].  
It extends less well to the 13-limit. Using the [[patent val]] {{val| 229 363 532 643 792 '''847''' }}, it tempers out [[351/350]], [[1573/1568]], [[2080/2079]], and [[4096/4095]]. Using the alternative 229f val {{val| 229 363 532 643 792 '''848''' }}, it tempers out [[352/351]], [[729/728]], [[1001/1000]], and [[1716/1715]].  
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=== Prime harmonics ===
=== Prime harmonics ===
{{Harmonics in equal|229|columns=11}}
{{Harmonics in equal|229}}


=== Subsets and supersets ===
=== Subsets and supersets ===
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! rowspan="2" | [[Comma list]]
! rowspan="2" | [[Comma list]]
! rowspan="2" | [[Mapping]]
! rowspan="2" | [[Mapping]]
! rowspan="2" | Optimal<br />8ve stretch (¢)
! rowspan="2" | Optimal<br>8ve stretch (¢)
! colspan="2" | Tuning error
! colspan="2" | Tuning error
|-
|-
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|-
|-
| 2.3
| 2.3
| {{monzo| 363 -229 }}
| {{Monzo| 363 -229 }}
| {{mapping| 229 363 }}
| {{Mapping| 229 363 }}
| −0.072
| −0.072
| 0.072
| 0.072
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| 2.3.5
| 2.3.5
| 393216/390625, {{monzo| 39 -29 3 }}
| 393216/390625, {{monzo| 39 -29 3 }}
| {{mapping| 229 363 532 }}
| {{Mapping| 229 363 532 }}
| −0.258
| −0.258
| 0.269
| 0.269
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| 2.3.5.7
| 2.3.5.7
| 2401/2400, 3136/3125, 14348907/14336000
| 2401/2400, 3136/3125, 14348907/14336000
| {{mapping| 229 363 532 643 }}
| {{Mapping| 229 363 532 643 }}
| −0.247
| −0.247
| 0.233
| 0.233
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| 2.3.5.7.11
| 2.3.5.7.11
| 2401/2400, 3025/3024, 3136/3125, 8019/8000
| 2401/2400, 3025/3024, 3136/3125, 8019/8000
| {{mapping| 229 363 532 643 792 }}
| {{Mapping| 229 363 532 643 792 }}
| −0.134
| −0.134
| 0.308
| 0.308
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| 2.3.5.7.11.17
| 2.3.5.7.11.17
| 561/560, 1089/1088, 1701/1700, 2401/2400, 3136/3125
| 561/560, 1089/1088, 1701/1700, 2401/2400, 3136/3125
| {{mapping| 229 363 532 643 792 936 }}
| {{Mapping| 229 363 532 643 792 936 }}
| −0.106
| −0.106
| 0.288
| 0.288
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| 2.3.5.7.11.17.19
| 2.3.5.7.11.17.19
| 476/475, 561/560, 1089/1088, 1216/1215, 1445/1444, 2401/2400
| 476/475, 561/560, 1089/1088, 1216/1215, 1445/1444, 2401/2400
| {{mapping| 229 363 532 643 792 936 973 }}
| {{Mapping| 229 363 532 643 792 936 973 }}
| −0.130
| −0.130
| 0.273
| 0.273
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| 2.3.5.7.11.17.19.23
| 2.3.5.7.11.17.19.23
| 476/475, 484/483, 561/560, 576/575, 736/735, 1089/1088, 1216/1215
| 476/475, 484/483, 561/560, 576/575, 736/735, 1089/1088, 1216/1215
| {{mapping| 229 363 532 643 792 936 973 1036 }}
| {{Mapping| 229 363 532 643 792 936 973 1036 }}
| −0.129
| −0.129
| 0.256
| 0.256
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| 2.3.5.7.11.13
| 2.3.5.7.11.13
| 351/350, 1573/1568, 2080/2079, 2197/2187, 3136/3125
| 351/350, 1573/1568, 2080/2079, 2197/2187, 3136/3125
| {{mapping| 229 363 532 643 792 847 }} (229)
| {{Mapping| 229 363 532 643 792 847 }} (229)
| −0.017
| −0.017
| 0.384
| 0.384
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| 2.3.5.7.11.13
| 2.3.5.7.11.13
| 352/351, 729/728, 1001/1000, 1716/1715, 3025/3024
| 352/351, 729/728, 1001/1000, 1716/1715, 3025/3024
| {{mapping| 229 363 532 643 792 848 }} (229f)
| {{Mapping| 229 363 532 643 792 848 }} (229f)
| −0.253
| −0.253
| 0.387
| 0.387
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|+ style="font-size: 105%;" | Table of rank-2 temperaments by generator
|+ style="font-size: 105%;" | 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
|-
|-
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| 565.94
| 565.94
| 18/13
| 18/13
| [[Trident]] (229)
| [[Alphatrident]] (229)
|}
|}
<nowiki />* [[Normal lists|Octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if distinct
<nowiki/>* [[Normal lists|Octave-reduced form]], reduced to the first half-octave, and [[normal lists|minimal form]] in parentheses if distinct
 
== Music ==
; [[Francium]]
* "Don't Think About Mimes" from ''Don't'' (2025) – [https://open.spotify.com/track/4jGvn8IFTQeJwNc0y17MpQ Spotify] | [https://francium223.bandcamp.com/track/dont-think-about-mimes Bandcamp] | [https://www.youtube.com/watch?v=MNHUrF4Ff0A YouTube]


[[Category:Hemiwürschmidt]]
[[Category:Hemiwürschmidt]]
[[Category:Würschmidt]]
[[Category:Würschmidt]]
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