193edo: Difference between revisions
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{{Infobox ET}} | |||
{{ED intro}} | |||
== Theory == | |||
193edo is [[consistent]] to the [[11-odd-limit]], and almost consistent to the [[23-odd-limit]], the only failure being [[13/11]] and its [[octave complement]]. This makes it a strong [[23-limit]] system. | |||
As an equal temperament, it [[tempering out|tempers out]] the [[15625/15552|kleisma]] in the [[5-limit]]; [[5120/5103]] and [[16875/16807]] in the [[7-limit]]; [[540/539]], [[1375/1372]], [[3025/3024]], and 4375/4356 in the [[11-limit]]; [[325/324]], [[364/363]], [[625/624]], [[676/675]], [[1575/1573]], [[1716/1715]], and [[4096/4095]] in the [[13-limit]]; [[375/374]], [[442/441]], [[595/594]], [[715/714]], [[936/935]], [[1156/1155]], [[1225/1224]], [[2058/2057]], and [[2431/2430]] in the [[17-limit]]; [[400/399]], [[969/968]], [[1216/1215]], [[1445/1444]], [[1521/1520]], [[1540/1539]], and [[1729/1728]] in the [[19-limit]]; and [[460/459]], [[507/506]], and [[529/528]] in the 23-limit. | |||
193edo is the 44th [[prime | It provides the [[optimal patent val]] for the [[sqrtphi]] temperament in the 13-, 17- and 19-limit, and for the 13-limit [[minos]] and [[Mirkwai family #Indra|vish]] temperaments. | ||
=== Prime harmonics === | |||
{{Harmonics in equal|193}} | |||
=== Subsets and supersets === | |||
193edo is the 44th [[prime edo]]. | |||
== Regular temperament properties == | |||
{| class="wikitable center-4 center-5 center-6" | |||
|- | |||
! rowspan="2" | [[Subgroup]] | |||
! rowspan="2" | [[Comma list]] | |||
! rowspan="2" | [[Mapping]] | |||
! rowspan="2" | Optimal<br />8ve stretch (¢) | |||
! colspan="2" | Tuning error | |||
|- | |||
! [[TE error|Absolute]] (¢) | |||
! [[TE simple badness|Relative]] (%) | |||
|- | |||
| 2.3 | |||
| {{monzo| 306 -193 }} | |||
| {{mapping| 193 306 }} | |||
| −0.2005 | |||
| 0.2005 | |||
| 3.23 | |||
|- | |||
| 2.3.5 | |||
| 15625/15552, {{monzo| 50 -33 1 }} | |||
| {{mapping| 193 306 448 }} | |||
| −0.0158 | |||
| 0.3084 | |||
| 4.96 | |||
|- | |||
| 2.3.5.7 | |||
| 5120/5103, 15625/15552, 16875/16807 | |||
| {{mapping| 193 306 448 542 }} | |||
| −0.1118 | |||
| 0.3146 | |||
| 5.06 | |||
|- | |||
| 2.3.5.7.11 | |||
| 540/539, 1375/1372, 4375/4356, 5120/5103 | |||
| {{mapping| 193 306 448 542 668 }} | |||
| −0.2080 | |||
| 0.3408 | |||
| 5.48 | |||
|- | |||
| 2.3.5.7.11.13 | |||
| 325/324, 364/363, 540/539, 625/624, 4096/4095 | |||
| {{mapping| 193 306 448 542 668 714 }} | |||
| −0.1216 | |||
| 0.3662 | |||
| 5.89 | |||
|- | |||
| 2.3.5.7.11.13.17 | |||
| 325/324, 364/363, 375/374, 442/441, 595/594, 4096/4095 | |||
| {{mapping| 193 306 448 542 668 714 789 }} | |||
| −0.1302 | |||
| 0.3397 | |||
| 5.46 | |||
|- | |||
| 2.3.5.7.11.13.17.19 | |||
| 325/324, 364/363, 375/374, 400/399, 442/441, 595/594, 1216/1215 | |||
| {{mapping| 193 306 448 542 668 714 789 820 }} | |||
| −0.1414 | |||
| 0.3191 | |||
| 5.13 | |||
|- | |||
| 2.3.5.7.11.13.17.19.23 | |||
| 325/324, 364/363, 375/374, 400/399, 442/441, 460/459, 507/506, 529/528 | |||
| {{mapping| 193 306 448 542 668 714 789 820 873 }} | |||
| −0.1184 | |||
| 0.3078 | |||
| 4.95 | |||
|} | |||
* 193et has a lower relative error in the 23-limit than any previous equal temperaments, past [[190edo|190g]] and followed by [[217edo|217]]. | |||
* 193et is also notable in the 19-limit, where it has a lower absolute error than any previous equal temperaments, past 190g and followed by [[212edo|212gh]]. | |||
=== Rank-2 temperaments === | |||
{| class="wikitable center-all left-5" | |||
|+ style="font-size: 105%;" | Table of rank-2 temperaments by generator | |||
|- | |||
! Periods<br />per 8ve | |||
! Generator* | |||
! Cents* | |||
! Associated<br />ratio* | |||
! Temperaments | |||
|- | |||
| 1 | |||
| 16\193 | |||
| 99.48 | |||
| 18/17 | |||
| [[Quindromeda family#Quintakwai|Quintakwai]] / [[Quindromeda family#Quintakwoid|quintakwoid]] | |||
|- | |||
| 1 | |||
| 18\193 | |||
| 111.92 | |||
| 16/15 | |||
| [[Vavoom]] | |||
|- | |||
| 1 | |||
| 39\193 | |||
| 242.49 | |||
| 147/128 | |||
| [[Septiquarter]] | |||
|- | |||
| 1 | |||
| 51\193 | |||
| 317.10 | |||
| 6/5 | |||
| [[Countercata]] (7-limit) | |||
|- | |||
| 1 | |||
| 56\193 | |||
| 348.19 | |||
| 11/9 | |||
| [[Eris]] | |||
|- | |||
| 1 | |||
| 61\193 | |||
| 379.28 | |||
| 56/45 | |||
| [[Marthirds]] | |||
|- | |||
| 1 | |||
| 67\193 | |||
| 416.58 | |||
| 14/11 | |||
| [[Sqrtphi]] | |||
|- | |||
| 1 | |||
| 79\193 | |||
| 491.19 | |||
| 3645/2744 | |||
| [[Fifthplus]] | |||
|- | |||
| 1 | |||
| 80\193 | |||
| 497.41 | |||
| 4/3 | |||
| [[Kwai]] | |||
|} | |||
<nowiki />* [[Normal lists|Octave-reduced form]], reduced to the first half-octave, and [[Normal lists|minimal form]] in parentheses if distinct | |||
== Scales == | |||
* Approximation of sqrt (π): '''159\193''' (988.60104 cents), and of φ: '''134\193''' (833.16062 cents), both inside in the [[7L 2s|superdiatonic]] scale: 25 25 25 9 25 25 25 25 9 | |||
[[Category:Sqrtphi]] |