Landscape microtemperaments: Difference between revisions
→Sextile: tuning, comma basis, badness, keys |
Tristanbay (talk | contribs) →Poe: Removed some unnecessary Wiki links Tags: Mobile edit Mobile web edit |
||
(44 intermediate revisions by 10 users not shown) | |||
Line 1: | Line 1: | ||
''' | {{Technical data page}} | ||
This is a collection of [[rank-2 temperament|rank-2]] '''landscape microtemperaments''', which [[tempering out|temper out]] the [[landscape comma]] ({{monzo|legend=1| -4 6 -6 3 }}, [[ratio]]: 250047/250000). For the [[rank-3 temperament]], see [[Landscape family #Landscape]]. | |||
Temperaments discussed elsewhere are: | |||
* [[Augene]] | * [[Augene]] (+64/63 or 126/125) → [[Augmented family #Augene|Augmented family]] | ||
* ''[[ | * ''[[Compton]]'' (+225/224) → [[Compton family #Compton|Compton family]] | ||
* ''[[Tritikleismic]]'' | * ''[[Tritikleismic]]'' (+1029/1024) → [[Kleismic family #Tritikleismic|Kleismic family]] | ||
* ''[[Trisensory]]'' | * ''[[Trisensory]]'' (+1728/1715) → [[Sensipent family #Trisensory|Sensipent family]] | ||
* [[Ennealimmal]] | * [[Ennealimmal]] (+2401/2400 or 4375/4374) → [[Septiennealimmal clan #Ennealimmal|Septiennealimmal clan]] | ||
* ''[[Misty]]'' | * ''[[Misty]]'' (+3136/3125 or 5120/5103) → [[Misty family]] | ||
* ''[[Nessafof]]'' | * ''[[Nessafof]]'' (+6144/6125) → [[Porwell temperaments #Nessafof|Porwell temperaments]] | ||
* ''[[Chromat]]'' | * ''[[Chromat]]'' (10976/10935) → [[Hemimage temperaments #Chromat|Hemimage temperaments]] | ||
* ''[[Term]]'' | * ''[[Term]]'' (+32805/32768) → [[Schismatic family #Term|Schismatic family]] | ||
* ''[[Caleb]]'' | * ''[[Caleb]]'' (+33075/32768) → [[Mirwomo temperaments #Caleb|Mirwomo temperaments]] | ||
* [[Mutt temperament|Mutt]] | * [[Mutt temperament|Mutt]] (+65625/65536) → [[Horwell temperaments #Mutt|Horwell temperaments]] | ||
* ''[[Stearnscape]]'' | * ''[[Triquart]]'' (+117649/116640) → [[Quartonic family #Triquart|Quartonic family]] | ||
* ''[[Tritricot]]'' | * ''[[Stearnscape]]'' (+118098/117649) → [[Stearnsmic clan #Stearnscape|Stearnsmic clan]] | ||
* ''[[Tritricot]]'' (+{{monzo| 35 -23 -3 3 }}) → [[Alphatricot family #Tritricot|Alphatricot family]] | |||
* ''[[Aemilic]]'' (+{{monzo|-84 53}}) → [[159th-octave temperaments#Aemilic|159th-octave temperaments]] | |||
Considered below are sextile, septichrome, pnict, domain, avicenna, terture, akjayland and terture. | |||
== Sextile == | == Sextile == | ||
Sextile tempers out the [[garischisma]] with a 1/6-octave period and is the 12 & 270 temperament. | |||
[[Subgroup]]: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
[[Comma list]]: 250047/250000, 33554432/33480783 | [[Comma list]]: 250047/250000, 33554432/33480783 | ||
{{Mapping|legend=1| 6 0 71 150 | 0 1 -6 -14 }} | |||
: mapping generators: ~4096/3645, ~3 | |||
[[Optimal tuning]]s: | |||
* [[CTE]]: ~4096/3645 = 1\6, ~3/2 = 702.2347 | |||
* [[POTE]]: ~4096/3645 = 1\6, ~3/2 = 702.212 | |||
{{Optimal ET sequence|legend=1| 12, 234d, 246d, 258, 270, 1362c, 1632c, 1902c, 2172c, 2442bc, 2712bc }} | |||
{{ | |||
[[Badness]]: 0.070097 | [[Badness]]: 0.070097 | ||
Line 38: | Line 45: | ||
Comma list: 5632/5625, 9801/9800, 151263/151250 | Comma list: 5632/5625, 9801/9800, 151263/151250 | ||
Mapping: | Mapping: {{mapping| 6 0 71 150 230 | 0 1 -6 -14 -22 }} | ||
Optimal | Optimal tunings: | ||
* CTE: ~55/49 = 1\6, ~3/2 = 702.2225 | |||
* POTE: ~55/49 = 1\6, ~3/2 = 702.202 | |||
Optimal | {{Optimal ET sequence|legend=1| 12, 246dee, 258e, 270, 822, 1092, 1362c }} | ||
Badness: 0.029677 | Badness: 0.029677 | ||
Line 51: | Line 60: | ||
Comma list: 1716/1715, 2080/2079, 5632/5625, 10648/10647 | Comma list: 1716/1715, 2080/2079, 5632/5625, 10648/10647 | ||
Mapping: | Mapping: {{mapping| 6 0 71 150 230 279 | 0 1 -6 -14 -22 -27 }} | ||
Optimal | Optimal tunings: | ||
* CTE: ~55/49 = 1\6, ~3/2 = 702.2141 | |||
* CWE: ~55/49 = 1\6, ~3/2 = 702.2001 | |||
Optimal | {{Optimal ET sequence|legend=1| 12f, 258ef, 270, 552, 822, 1092, 1914cde }} | ||
Badness: 0.0191 | Badness: 0.0191 | ||
Line 64: | Line 75: | ||
Comma list: 936/935, 1701/1700, 1716/1715, 5632/5625, 7744/7735 | Comma list: 936/935, 1701/1700, 1716/1715, 5632/5625, 7744/7735 | ||
Mapping: | Mapping: {{mapping| 6 0 71 150 230 279 -4 | 0 1 -6 -14 -22 -27 3 }} | ||
Optimal | Optimal tunings: | ||
* CTE: ~55/49 = 1\6, ~3/2 = 702.2117 | |||
* CWE: ~55/49 = 1\6, ~3/2 = 702.1869 | |||
Optimal | {{Optimal ET sequence|legend=1| 12f, 270, 552g }} | ||
Badness: 0.0209 | Badness: 0.0209 | ||
Line 77: | Line 90: | ||
Comma list: 936/935, 1216/1215, 1701/1700, 1716/1715, 2376/2375, 4200/4199 | Comma list: 936/935, 1216/1215, 1701/1700, 1716/1715, 2376/2375, 4200/4199 | ||
Mapping: | Mapping: {{mapping| 6 0 71 150 230 279 -4 35 | 0 1 -6 -14 -22 -27 3 -1 }} | ||
Optimal | Optimal tunings: | ||
* CTE: ~55/49 = 1\6, ~3/2 = 702.2118 | |||
* CWE: ~55/49 = 1\6, ~3/2 = 702.1890 | |||
Optimal | {{Optimal ET sequence|legend=1| 12f, 270, 552g, 822gg }} | ||
Badness: 0.0156 | Badness: 0.0156 | ||
Line 90: | Line 105: | ||
Comma list: 1001/1000, 4096/4095, 4459/4455, 20449/20412 | Comma list: 1001/1000, 4096/4095, 4459/4455, 20449/20412 | ||
Mapping: | Mapping: {{mapping| 6 0 71 150 230 -149 | 0 1 -6 -14 -22 18 }} | ||
Optimal | Optimal tunings: | ||
* CTE: ~55/49 = 1\6, ~3/2 = 702.2296 | |||
* CWE: ~55/49 = 1\6, ~3/2 = 702.2285 | |||
Optimal | {{Optimal ET sequence|legend=1| 12, 258e, 270 }} | ||
Badness: 0.0391 | Badness: 0.0391 | ||
Line 103: | Line 120: | ||
Comma list: 715/714, 1001/1000, 1701/1700, 4096/4095, 4459/4455 | Comma list: 715/714, 1001/1000, 1701/1700, 4096/4095, 4459/4455 | ||
Mapping: | Mapping: {{mapping| 6 0 71 150 230 -149 -4 | 0 1 -6 -14 -22 18 3 }} | ||
Optimal | Optimal tunings: | ||
* CTE: ~55/49 = 1\6, ~3/2 = 702.2264 | |||
* CWE: ~55/49 = 1\6, ~3/2 = 702.2207 | |||
Optimal | {{Optimal ET sequence|legend=1| 12, 258e, 270 }} | ||
Badness: 0.0384 | Badness: 0.0384 | ||
Line 116: | Line 135: | ||
Comma list: 715/714, 1001/1000, 1216/1215, 1701/1700, 1729/1728, 2912/2907 | Comma list: 715/714, 1001/1000, 1216/1215, 1701/1700, 1729/1728, 2912/2907 | ||
Mapping: | Mapping: {{mapping| 6 0 71 150 230 -149 -4 35 | 0 1 -6 -14 -22 18 3 -1 }} | ||
Optimal | Optimal tunings: | ||
* CTE: ~55/49 = 1\6, ~3/2 = 702.2266 | |||
* CWE: ~55/49 = 1\6, ~3/2 = 702.2208 | |||
Optimal | {{Optimal ET sequence|legend=1| 12, 258e, 270 }} | ||
Badness: 0.0252 | Badness: 0.0252 | ||
== Septichrome == | == Septichrome == | ||
Subgroup: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
[[Comma list]]: 250047/250000, 2460375/2458624 | [[Comma list]]: 250047/250000, 2460375/2458624 | ||
[[ | {{Mapping|legend=1| 3 3 1 0 | 0 5 17 24 }} | ||
[[Optimal tuning]] ([[POTE]]): ~63/50 = 1\3, ~243/224 = 140.367 | |||
{{Optimal ET sequence|legend=1| 60, 111, 171, 795, 966, 1137, 1308, 5403b, 6711b, 8019bc }} | |||
[[Badness]]: 0.016814 | |||
=== Semiseptichrome === | |||
Subgroup: 2.3.5.7.11 | |||
Comma list: 9801/9800, 151263/151250, 234375/234256 | |||
Mapping: {{mapping| 6 1 -15 -24 -32 | 0 5 17 24 31 }} | |||
: mapping generators: ~55/49, ~375/308 | |||
Optimal tuning (CTE): ~55/49 = 1\6, ~375/308 = 340.3687 (~1760/1701 = 59.6313) | |||
Optimal ET sequence: {{Optimal ET sequence| 60e, 222cdee, 282, 342, 966, 1308, 1650, 4608b, 6258bc }} | |||
Badness: 0.0194 | |||
==== 13-limit ==== | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma list: 1716/1715, 2080/2079, 34398/34375, 85293/85184 | |||
Mapping: {{mapping| 6 1 -15 -24 -32 -68 | 0 5 17 24 31 53 }} | |||
Optimal tuning (CTE): ~55/49 = 1\6, ~375/308 = 340.3778 (~121/117 = 59.6222) | |||
Optimal ET sequence: {{Optimal ET sequence| 282, 342f, 624 }} | |||
Badness: 0.0397 | |||
==== 17-limit ==== | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma list: 936/935, 1701/1700, 1716/1715, 2025/2023, 61965/61952 | |||
Mapping: {{mapping| 6 1 -15 -24 -32 -68 -1 | 0 5 17 24 31 53 15 }} | |||
Optimal tuning (CTE): ~55/49 = 1\6, ~375/308 = 340.3763 (~88/85 = 59.6237) | |||
Optimal ET sequence: {{Optimal ET sequence| 282, 342f, 624 }} | |||
Badness: 0.0272 | |||
==== 19-limit ==== | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma list: 936/935, 1701/1700, 1716/1715, 2025/2023, 2376/2375, 23409/23408 | |||
Mapping: {{mapping| 6 1 -15 -24 -32 -68 -1 34 | 0 5 17 24 31 53 15 -5 }} | |||
Optimal tuning (CTE): ~55/49 = 1\6, ~162/133 = 340.3767 (~88/85 = 59.6233) | |||
Optimal ET sequence: {{Optimal ET sequence| 282, 342f, 624 }} | |||
Badness: 0.0222 | |||
==== 23-limit ==== | |||
Subgroup: 2.3.5.7.11.13.17.19.23 | |||
Comma list: 936/935, 1701/1700, 1716/1715, 1863/1862, 2024/2023, 2025/2023, 2376/2375 | |||
{{ | Mapping: {{mapping| 6 1 -15 -24 -32 -68 -1 34 -12 | 0 5 17 24 31 53 15 -5 23 }} | ||
Optimal tuning (CTE): ~55/49 = 1\6, ~162/133 = 340.3757 (~88/85 = 59.6243) | |||
{{ | Optimal ET sequence: {{Optimal ET sequence| 282, 342f, 624 }} | ||
Badness: 0.0160 | |||
== Pnict == | == Pnict == | ||
Subgroup: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
[[Comma list]]: 250047/250000, 2100875/2097152 | [[Comma list]]: 250047/250000, 2100875/2097152 | ||
{{Mapping|legend=1| 3 10 11 6 | 0 -13 -10 6 }} | |||
[[Optimal tuning]] ([[POTE]]): ~63/50 = 1\3, ~192/175 = 161.399 | |||
{{Optimal ET sequence|legend=1| 15, 141, 156, 171, 2409cd, 2580cd, …, 4461bccddd, 4632bccddd }} | |||
{{ | |||
[[Badness]]: 0.045660 | [[Badness]]: 0.045660 | ||
== Domain == | == Domain == | ||
{{ | {{See also| Minortonic family }} | ||
Subgroup: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
[[Comma list]]: 250047/250000, 645700815/645657712 | [[Comma list]]: 250047/250000, 645700815/645657712 | ||
{{Mapping|legend=1| 3 -3 -9 -8 | 0 17 35 36 }} | |||
[[Optimal tuning]] ([[POTE]]): ~63/50 = 1\3, ~10/9 = 182.467 | |||
{{Optimal ET sequence|legend=1| 171, 1164, 1335, 1506, 1677, 1848, 2019, 2190, 11943, 13962, 15981, 18000, 20019, 22038 }} | |||
{{ | |||
[[Badness]]: 0.013979 | [[Badness]]: 0.013979 | ||
== Avicenna == | == Avicenna == | ||
Subgroup: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
[[Comma list]]: 250047/250000, 29360128/29296875 | [[Comma list]]: 250047/250000, 29360128/29296875 | ||
{{Mapping|legend=1| 3 2 8 16 | 0 8 -3 -22 }} | |||
[[Optimal tuning]]s: | |||
* [[CTE]]: ~63/50 = 1\3, ~1024/945 = 137.772 | |||
* [[POTE]]: ~63/50 = 1\3, ~1024/945 = 137.768 | |||
{{Optimal ET sequence|legend=1| 87, 183, 270, 723, 993, 1263, 2796cd, 4059bccd }} | |||
{{ | |||
[[Badness]]: 0.062187 | [[Badness]]: 0.062187 | ||
Line 191: | Line 273: | ||
Comma list: 3025/3024, 5632/5625, 102487/102400 | Comma list: 3025/3024, 5632/5625, 102487/102400 | ||
Mapping: | Mapping: {{mapping| 3 2 8 16 9 | 0 8 -3 -22 4 }} | ||
POTE | Optimal tunings: | ||
* CTE: ~63/50 = 1\3, ~693/640 = 137.773 | |||
* POTE: ~63/50 = 1\3, ~693/640 = 137.771 | |||
Optimal | Optimal ET sequence: {{Optimal ET sequence| 87, 183, 270, 1263, 1533, 1803c }} | ||
Badness: 0.023085 | Badness: 0.023085 | ||
Line 204: | Line 288: | ||
Comma list: 676/675, 1001/1000, 3025/3024, 4096/4095 | Comma list: 676/675, 1001/1000, 3025/3024, 4096/4095 | ||
Mapping: | Mapping: {{mapping| 3 2 8 16 9 8 | 0 8 -3 -22 4 9 }} | ||
POTE | Optimal tunings: | ||
* CTE: ~63/50 = 1\3, ~13/12 = 137.777 | |||
* POTE: ~63/50 = 1\3, ~13/12 = 137.777 | |||
Optimal | Optimal ET sequence: {{Optimal ET sequence| 87, 183, 270 }} | ||
Badness: 0.015557 | Badness: 0.015557 | ||
=== 17-limit === | |||
Subgroup: 2.3.5.7.11.13.17 | |||
Comma list: 676/675, 715/714, 1001/1000, 3025/3024, 4096/4095 | |||
Mapping: {{mapping| 3 2 8 16 9 8 4 | 0 8 -3 -22 4 9 24 }} | |||
Optimal tunings: | |||
* CTE: ~63/50 = 1\3, ~13/12 = 137.758 | |||
* POTE: ~63/50 = 1\3, ~13/12 = 137.761 | |||
Optimal ET sequence: {{Optimal ET sequence| 87, 183, 270, 453 }} | |||
Badness: 0.0171 | |||
=== 19-limit === | |||
Subgroup: 2.3.5.7.11.13.17.19 | |||
Comma list: 676/675, 715/714, 1001/1000, 1216/1215, 1729/1728, 3025/3024 | |||
Mapping: {{mapping| 3 2 8 16 9 8 4 0 | 0 8 -3 -22 4 9 24 37 }} | |||
Optimal tunings: | |||
* CTE: ~63/50 = 1\3, ~13/12 = 137.763 | |||
* POTE: ~63/50 = 1\3, ~13/12 = 137.767 | |||
Optimal ET sequence: {{Optimal ET sequence| 87, 183, 270 }} | |||
Badness: 0.0153 | |||
== Terture == | == Terture == | ||
{{ | {{See also| Vulture family }} | ||
Subgroup: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
[[Comma list]]: 250047/250000, 359661568/358722675 | [[Comma list]]: 250047/250000, 359661568/358722675 | ||
{{Mapping|legend=1| 3 4 3 2 | 0 4 21 34 }} | |||
[[POTE | [[Optimal tuning]] ([[POTE]]): ~63/50 = 1\3, ~392/375 = 75.555 | ||
{{ | {{Optimal ET sequence|legend=1| 111, 159, 270 }} | ||
[[Badness]]: 0.087156 | [[Badness]]: 0.087156 | ||
Line 232: | Line 348: | ||
Comma list: 3025/3024, 19712/19683, 102487/102400 | Comma list: 3025/3024, 19712/19683, 102487/102400 | ||
Mapping: | Mapping: {{mapping| 3 4 3 2 10 | 0 4 21 34 2 }} | ||
POTE | Optimal tuning (POTE): ~63/50 = 1\3, ~392/375 = 75.550 | ||
Optimal | {{Optimal ET sequence|legend=1| 111, 159, 270, 1239, 1509, 1779, 2049, 2319 }} | ||
Badness: 0.029326 | Badness: 0.029326 | ||
Line 245: | Line 361: | ||
Comma list: 676/675, 1001/1000, 3025/3024, 10985/10976 | Comma list: 676/675, 1001/1000, 3025/3024, 10985/10976 | ||
Mapping: | Mapping: {{mapping| 3 4 3 2 10 6 | 0 4 21 34 2 27 }} | ||
POTE | Optimal tuning (POTE): ~63/50 = 1\3, ~117/112 = 75.553 | ||
Optimal | {{Optimal ET sequence|legend=1| 111, 159, 270 }} | ||
Badness: 0.018647 | Badness: 0.018647 | ||
Line 258: | Line 374: | ||
Comma list: 676/675, 715/714, 936/935, 1001/1000, 4928/4913 | Comma list: 676/675, 715/714, 936/935, 1001/1000, 4928/4913 | ||
Mapping: | Mapping: {{mapping| 3 4 3 2 10 6 10 | 0 4 21 34 2 27 12 }} | ||
POTE | Optimal tuning (POTE): ~63/50 = 1\3, ~117/112 = 75.560 | ||
Optimal | {{Optimal ET sequence|legend=1| 111, 159, 270 }} | ||
Badness: 0.018705 | Badness: 0.018705 | ||
Line 271: | Line 387: | ||
Comma list: 676/675, 715/714, 936/935, 1001/1000, 1216/1215, 1617/1615 | Comma list: 676/675, 715/714, 936/935, 1001/1000, 1216/1215, 1617/1615 | ||
Mapping: | Mapping: {{mapping| 3 4 3 2 10 6 10 5 | 0 4 21 34 2 27 12 41 }} | ||
POTE | Optimal tuning (POTE): ~63/50 = 1\3, ~95/91 = 75.560 | ||
Optimal | {{Optimal ET sequence|legend=1| 111, 159, 270 }} | ||
Badness: 0.013902 | Badness: 0.013902 | ||
Line 284: | Line 400: | ||
Comma list: 460/459, 529/528, 676/675, 715/714, 936/935, 1001/1000, 1216/1215 | Comma list: 460/459, 529/528, 676/675, 715/714, 936/935, 1001/1000, 1216/1215 | ||
Mapping: | Mapping: {{mapping| 3 4 3 2 10 6 10 5 13 | 0 4 21 34 2 27 12 41 3 }} | ||
POTE | Optimal tuning (POTE): ~63/50 = 1\3, ~24/23 = 75.548 | ||
Optimal | {{Optimal ET sequence|legend=1| 111, 159, 270 }} | ||
Badness: 0.014915 | Badness: 0.014915 | ||
== Slendscape == | |||
Slendscape tempers out the [[slendroschisma]] (68719476736/68641485507) in addition to landscape comma, and thereby features a period of 1\15. | |||
[[Subgroup]]: 2.3.5.7 | |||
[[Comma list]]: 250047/250000, 12884901888/12867859375 | |||
{{Mapping|legend=1| 15 0 17 54 | 0 4 3 -2 }} | |||
: Mapping generators: ~8575/8192, ~1152/875 | |||
[[Optimal tuning]] ([[CTE]]): ~8575/8192 = 80.0000, ~1152/875 = 475.4847 (~6/5 = 315.4847 or ~21/20 = 84.5153) | |||
{{Optimal ET sequence|legend=1| 255, 270, 525, 795, 1065 }} | |||
[[Badness]]: 0.058002 | |||
=== 11-limit === | |||
Subgroup: 2.3.5.7.11 | |||
Comma list: 3025/3024, 102487/102400, 180224/180075 | |||
Mapping: {{Mapping| 15 0 17 54 40 | 0 4 3 -2 2 }} | |||
Optimal tuning (CTE): ~22/21 = 80.0000, ~968/735 = 475.4912 (~6/5 = 315.4912 or ~21/20 = 84.5088) | |||
Optimal ET sequence: {{EDOs| 255, 270, 525, 795, 1065 }} | |||
Badness: 0.026246 | |||
=== 13-limit === | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma list: 1716/1715, 3025/3024, 4096/4095, 14641/14625 | |||
Mapping: {{Mapping| 15 0 17 54 40 109 | 0 4 3 -2 2 -9 }} | |||
Optimal tuning (CTE): ~22/21 = 80.0000, ~154/117 = 475.4935 (~6/5 = 315.4935 or ~21/20 = 84.5065) | |||
Optimal ET sequence: {{EDOs| 255, 270, 795, 1065 }} | |||
Badness: 0.021230 | |||
== Akjayland == | == Akjayland == | ||
{{See also| 21st-octave temperaments }} | {{See also| 21st-octave temperaments }} | ||
Akjayland tempers out the [[akjaysma]] in addition to landscape comma, and thereby features a period of 1\21. | |||
[[Subgroup]]: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
Line 301: | Line 460: | ||
[[Comma list]]: 250047/250000, {{monzo| 43 -1 -13 -4 }} | [[Comma list]]: 250047/250000, {{monzo| 43 -1 -13 -4 }} | ||
{{Mapping|legend=1| 21 1 38 102 | 0 3 1 -4 }} | |||
: mapping generators: ~1323/1280, ~131072/91875 | |||
[[Optimal tuning]] ([[CTE]]): ~131072/91875 = 614.9354 | [[Optimal tuning]] ([[CTE]]): ~1323/1280 = 1\21, ~131072/91875 = 614.9354 | ||
{{Optimal ET sequence|legend=1| 84, 273, 357, 441, 966, 1407, 1848, 7833, 9681, 11529, 13377c }} | |||
[[Badness]]: 0.0309 | [[Badness]]: 0.0309 | ||
=== Vasca === | === Vasca === | ||
Vasca can be described as the 357 & 525 temperament, extended as high as the 23-limit. It tempers out the {{monzo| 95 0 0 0 0 0 0 0 -21 }}, and sets a stack of | Vasca can be described as the 357 & 525 temperament, extended as high as the 23-limit. It tempers out the {{monzo| 95 0 0 0 0 0 0 0 -21 }}, and sets a stack of twenty-one [[23/16]]'s equal with eleven octaves. The name derives from elements vanadium (23) and scandium (21), since this uses the 23rd harmonic, which itself is extremely well represented in 21edo. | ||
Subgroup: 2.3.5.7.11 | Subgroup: 2.3.5.7.11 | ||
Line 318: | Line 477: | ||
Comma list: 3025/3024, 102487/102400, {{monzo| 39 -4 -11 -5 2 }} | Comma list: 3025/3024, 102487/102400, {{monzo| 39 -4 -11 -5 2 }} | ||
Mapping: | Mapping: {{mapping| 21 4 39 98 58 | 0 6 2 -8 3 3 }} | ||
: mapping generators: ~1323/1280, ~6615/5632 | |||
Optimal tuning (CTE): ~6615/5632 = 278.8998 | Optimal tuning (CTE): ~1323/1280 = 1\21, ~6615/5632 = 278.8998 | ||
Optimal | {{Optimal ET sequence|legend=1| 168, 357, 525, 882, 1407, 2289e }} | ||
Badness: 0.0949 | Badness: 0.0949 | ||
Line 333: | Line 492: | ||
Comma list: 3025/3024, 4096/4095, 14641/14625, 85750/85683 | Comma list: 3025/3024, 4096/4095, 14641/14625, 85750/85683 | ||
Mapping: | Mapping: {{mapping| 21 4 39 98 58 107 | 0 6 2 -8 3 -6 }} | ||
Optimal tuning (CTE): ~168/143 = 278.9058 | Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.9058 | ||
Optimal | {{Optimal ET sequence|legend=1| 168, 357, 525, 882 }} | ||
Badness: 0.0551 | Badness: 0.0551 | ||
Line 346: | Line 505: | ||
Comma list: 2601/2600, 3025/3024, 4096/4095, 8624/8619, 14641/14625 | Comma list: 2601/2600, 3025/3024, 4096/4095, 8624/8619, 14641/14625 | ||
Mapping: | Mapping: {{mapping| 21 4 39 98 58 107 120 | 0 6 2 -8 3 -6 -7 }} | ||
Optimal tuning (CTE): ~168/143 = 278.9036 | Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.9036 | ||
Optimal | {{Optimal ET sequence|legend=1| 168, 357, 525, 882 }} | ||
Badness: 0.0319 | Badness: 0.0319 | ||
Line 359: | Line 518: | ||
Comma list: 2376/2375, 2601/2600, 2926/2925, 3025/3024, 3213/3211, 4096/4095 | Comma list: 2376/2375, 2601/2600, 2926/2925, 3025/3024, 3213/3211, 4096/4095 | ||
Mapping: | Mapping: {{mapping| 21 4 39 98 58 107 120 16 | 0 6 2 -8 3 -6 -7 15 }} | ||
Optimal tuning (CTE): ~168/143 = 278.9036 | Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.9036 | ||
Optimal | {{Optimal ET sequence|legend=1| 168h, 357, 525, 882, 1407 }} | ||
Badness: 0.0270 | Badness: 0.0270 | ||
Line 372: | Line 531: | ||
Comma list: 1496/1495, 2376/2375, 2601/2600, 2646/2645, 2926/2925, 3025/3024, 3213/3211 | Comma list: 1496/1495, 2376/2375, 2601/2600, 2646/2645, 2926/2925, 3025/3024, 3213/3211 | ||
Mapping: | Mapping: {{mapping| 21 4 39 98 58 107 120 16 95 | 0 -6 -2 8 -3 6 7 -15 0 }} | ||
Optimal tuning (CTE): ~168/143 = 278.8971 | Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.8971 | ||
Optimal | {{Optimal ET sequence|legend=1| 168h, 357, 525, 882, 1407 }} | ||
Badness: 0.0199 | Badness: 0.0199 | ||
== Magnesium == | |||
: ''For the 5-limit version, see [[12th-octave temperaments#Magnesium (5-limit)]]. | |||
Magnesium is named after element 12 for being period 12, however, it's not an extension of the [[atomic]] – the associated comma is {{monzo| -157 -24 84 }} in the 5-limit and the 7 generators together with [[12edo]] major second reach the just perfect fifth, [[3/2]]. | |||
[[Subgroup]]: 2.3.5.7 | |||
[[Comma list]]: 250047/250000, {{monzo| -59 2 18 5 }} | |||
{{Mapping|legend=1| 12 2 23 58 | 0 7 2 -10 }} | |||
: mapping generators: ~138915/131072, 3145728/2734375 | |||
Optimal tuning (CTE): ~138915/131072 = 1\12, ~3145728/2734375 = 243.130 | |||
{{Optimal ET sequence|legend=1| 84, 360d, 444, 528, 612, 1920, 2532, 10740cd, 13272bcdd, 15804bcdd, 18336bcddd }} | |||
Badness: 0.0964 | |||
== Chromium == | == Chromium == | ||
Chromium is | : ''For the 5-limit version, see [[24th-octave temperaments#Chromium (5-limit)]]. | ||
[[Chromium]] is defined by associating the porcupine comma [[250/243]] to the 24th of an octave. Named after the 24th element for being period 24. | |||
[[Subgroup]]: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
Line 387: | Line 567: | ||
[[Comma list]]: 250047/250000, 49589822592/49433168575 | [[Comma list]]: 250047/250000, 49589822592/49433168575 | ||
{{Mapping|legend=1| 24 1 -6 18 | 0 3 5 4 }} | |||
: mapping generators: ~250/243, ~10/7 | |||
[[Optimal tuning]] ([[CTE]]): ~10/7 = 617.2710 | [[Optimal tuning]] ([[CTE]]): ~250/243 = 1\24, ~10/7 = 617.2710 | ||
{{ | {{Optimal ET sequence|legend=1| 72, …, 480, 552, 624, 1320, 1944d, 3264d }} | ||
[[Badness]]: 0.139 | [[Badness]]: 0.139 | ||
Line 402: | Line 582: | ||
Comma list: 9801/9800, 46656/46585, 250047/250000 | Comma list: 9801/9800, 46656/46585, 250047/250000 | ||
Mapping: | Mapping: {{mapping| 24 1 -6 18 46 | 0 3 5 4 3 }} | ||
Optimal tuning (CTE): ~10/7 = 617.2597 | Optimal tuning (CTE): ~250/243 = 1\24, ~10/7 = 617.2597 | ||
Optimal | {{Optimal ET sequence|legend=1| 72, …, 480, 552, 624 }} | ||
Badness: 0.0398 | Badness: 0.0398 | ||
Line 415: | Line 595: | ||
Comma list: 1716/1715, 2080/2079, 34398/34375, 39366/39325 | Comma list: 1716/1715, 2080/2079, 34398/34375, 39366/39325 | ||
Mapping: | Mapping: {{mapping| 24 1 -6 18 46 -47 -13 | 0 3 5 4 3 11 }} | ||
Optimal tuning (CTE): ~10/7 = 617.2869 | Optimal tuning (CTE): ~250/243 = 1\24, ~10/7 = 617.2869 | ||
Optimal | {{Optimal ET sequence|legend=1| 72, …, 480f, 552, 624, 1176de, 1800cdee }} | ||
Badness: 0.0293 | Badness: 0.0293 | ||
Line 428: | Line 608: | ||
Comma list: 936/935, 1701/1700, 1716/1715, 2025/2023, 11016/11011 | Comma list: 936/935, 1701/1700, 1716/1715, 2025/2023, 11016/11011 | ||
Mapping: | Mapping: {{mapping| 24 1 -6 18 46 -47 -13 | 0 3 5 4 3 11 9 }} | ||
Optimal tuning (CTE): ~10/7 = 617.2732 | Optimal tuning (CTE): ~35/34 = 1\24, ~10/7 = 617.2732 | ||
Optimal | {{Optimal ET sequence|legend=1| 72, …, 480fgg, 552g, 624 }} | ||
Badness: 0.0209 | Badness: 0.0209 | ||
== Zinc == | |||
{{See also| 10th-octave temperaments #Neon }} | |||
{{See also| 60th-octave temperaments #Neodymium }} | |||
[[Subgroup]]: 2.3.5.7 | |||
[[Comma list]]: 250047/250000, {{monzo| -53 -12 2 24 }} | |||
{{Mapping|legend=1| 30 2 15 66 | 0 5 6 2 }} | |||
[[Optimal tuning]]s: | |||
* [[CTE]]: ~53747712/52521875 = 1\30, ~216/175 = 364.3896 (~{{monzo| 21 3 1 -10 }} = 4.3896) | |||
* [[CWE]]: ~53747712/52521875 = 1\30, ~216/175 = 364.3879 (~{{monzo| 21 3 1 -10 }} = 4.3879) | |||
{{Optimal ET sequence|legend=1| 270, 1380, 1650, 1920, 2190, 4650 }} | |||
[[Badness]]: 0.0742 | |||
=== 11-limit=== | |||
Subgroup: 2.3.5.7.11 | |||
Comma list: 9801/9800, 151263/151250, {{monzo| -27 -6 4 6 3 }} | |||
Mapping: {{mapping| 30 2 15 66 122 | 0 5 6 2 -2 }} | |||
Optimal tunings: | |||
* CTE: ~18865/18432 = 1\30, ~216/175 = 364.3886 (~385/384 = 4.3886) | |||
* CWE: ~18865/18432 = 1\30, ~216/175 = 364.3849 (~385/384 = 4.3849) | |||
Optimal ET sequence: {{Optimal ET sequence| 270, 1110, 1380, 1650, 1920, 2190 }} | |||
Badness: 0.0220 | |||
=== 13-limit === | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma list: 9801/9800, 10648/10647, 105644/105625, 196625/196608 | |||
Mapping: {{mapping| 30 2 15 66 122 193 | 0 5 6 2 -2 -9 }} | |||
Optimal tunings: | |||
* CTE: ~351/343 = 1\30, ~216/175 = 364.3879 (~385/384 = 4.3879) | |||
* CWE: ~351/343 = 1\30, ~216/175 = 364.3867 (~385/384 = 4.3867) | |||
Optimal ET sequence: {{Optimal ET sequence| 270, 1380, 1650, 1920, 2190, 4650, 6840e, 11490de }} | |||
Badness: 0.0155 | |||
=== 2.3.5.7.11.13.19 subgroup (neozinc) === | |||
Subgroup: 2.3.5.7.11.13.19 | |||
Comma list: 5929/5928, 6860/6859, 9801/9800, 10241/10240, 89376/89375 | |||
Mapping: {{mapping| 30 2 15 66 122 193 91 | 0 5 6 2 -2 -9 4 }} | |||
Optimal tunings: | |||
* CTE: ~175/171 = 1\30, ~216/175 = 364.3876 (~400/399 = 4.3876) | |||
* CWE: ~175/171 = 1\30, ~216/175 = 364.3864 (~400/399 = 4.3864) | |||
Optimal ET sequence: {{Optimal ET sequence| 270, 1380, 1650, 1920, 2190, 4650, 6840e }} | |||
Badness: 0.00921 | |||
== Poe == | |||
[[Subgroup]]: 2.3.5.7 | |||
[[Comma list]]: 250047/250000, {{monzo| 15 -16 -4 7 }} | |||
{{Mapping|legend=1| 30 0 -73 -106 | 0 1 3 4 }} | |||
[[Optimal tuning]]s: | |||
* [[CTE]]: ~2240/2187 = 1\30, ~3/2 = 702.141 (~81/80 = 22.141) | |||
* [[CWE]]: ~2240/2187 = 1\30, ~3/2 = 702.166 (~81/80 = 22.166) | |||
=== 11-limit === | |||
Subgroup: 2.3.5.7.11 | |||
Comma list: 9801/9800, 19712/19683, 250047/250000 | |||
Mapping: {{mapping| 30 0 -73 -106 -134 | 0 1 3 4 5 }} | |||
Optimal tunings: | |||
* CTE: ~45/44 = 1\30, ~3/2 = 702.182 (~81/80 = 22.182) | |||
* CWE: ~45/44 = 1\30, ~3/2 = 702.213 (~81/80 = 22.213) | |||
=== 13-limit === | |||
Subgroup: 2.3.5.7.11.13 | |||
Comma list: 19712/19683, 1001/1000, 4459/4455, 4225/4224 | |||
Mapping: {{mapping| 30 0 -73 -106 -134 111 | 0 1 3 4 5 0 }} | |||
Optimal tunings: | |||
* CTE: ~45/44 = 1\30, ~3/2 = 702.182 (~81/80 = 22.182) | |||
* CWE: ~45/44 = 1\30, ~3/2 = 702.170 (~81/80 = 22.170) | |||
[[Category:Temperament collections]] | [[Category:Temperament collections]] | ||
[[Category:Pages with mostly numerical content]] | |||
[[Category:Landscape microtemperaments| ]] <!-- main article --> | [[Category:Landscape microtemperaments| ]] <!-- main article --> | ||
[[Category:Landscape| ]] <!-- key article --> | |||
[[Category:Rank 2]] | |||
[[Category:Microtemperaments]] | [[Category:Microtemperaments]] | ||
Latest revision as of 06:48, 17 July 2025
- This is a list showing technical temperament data. For an explanation of what information is shown here, you may look at the technical data guide for regular temperaments.
This is a collection of rank-2 landscape microtemperaments, which temper out the landscape comma (monzo: [-4 6 -6 3⟩, ratio: 250047/250000). For the rank-3 temperament, see Landscape family #Landscape.
Temperaments discussed elsewhere are:
- Augene (+64/63 or 126/125) → Augmented family
- Compton (+225/224) → Compton family
- Tritikleismic (+1029/1024) → Kleismic family
- Trisensory (+1728/1715) → Sensipent family
- Ennealimmal (+2401/2400 or 4375/4374) → Septiennealimmal clan
- Misty (+3136/3125 or 5120/5103) → Misty family
- Nessafof (+6144/6125) → Porwell temperaments
- Chromat (10976/10935) → Hemimage temperaments
- Term (+32805/32768) → Schismatic family
- Caleb (+33075/32768) → Mirwomo temperaments
- Mutt (+65625/65536) → Horwell temperaments
- Triquart (+117649/116640) → Quartonic family
- Stearnscape (+118098/117649) → Stearnsmic clan
- Tritricot (+[35 -23 -3 3⟩) → Alphatricot family
- Aemilic (+[-84 53⟩) → 159th-octave temperaments
Considered below are sextile, septichrome, pnict, domain, avicenna, terture, akjayland and terture.
Sextile
Sextile tempers out the garischisma with a 1/6-octave period and is the 12 & 270 temperament.
Subgroup: 2.3.5.7
Comma list: 250047/250000, 33554432/33480783
Mapping: [⟨6 0 71 150], ⟨0 1 -6 -14]]
- mapping generators: ~4096/3645, ~3
Optimal ET sequence: 12, 234d, 246d, 258, 270, 1362c, 1632c, 1902c, 2172c, 2442bc, 2712bc
Badness: 0.070097
11-limit
Subgroup: 2.3.5.7.11
Comma list: 5632/5625, 9801/9800, 151263/151250
Mapping: [⟨6 0 71 150 230], ⟨0 1 -6 -14 -22]]
Optimal tunings:
- CTE: ~55/49 = 1\6, ~3/2 = 702.2225
- POTE: ~55/49 = 1\6, ~3/2 = 702.202
Optimal ET sequence: 12, 246dee, 258e, 270, 822, 1092, 1362c
Badness: 0.029677
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 1716/1715, 2080/2079, 5632/5625, 10648/10647
Mapping: [⟨6 0 71 150 230 279], ⟨0 1 -6 -14 -22 -27]]
Optimal tunings:
- CTE: ~55/49 = 1\6, ~3/2 = 702.2141
- CWE: ~55/49 = 1\6, ~3/2 = 702.2001
Optimal ET sequence: 12f, 258ef, 270, 552, 822, 1092, 1914cde
Badness: 0.0191
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 936/935, 1701/1700, 1716/1715, 5632/5625, 7744/7735
Mapping: [⟨6 0 71 150 230 279 -4], ⟨0 1 -6 -14 -22 -27 3]]
Optimal tunings:
- CTE: ~55/49 = 1\6, ~3/2 = 702.2117
- CWE: ~55/49 = 1\6, ~3/2 = 702.1869
Optimal ET sequence: 12f, 270, 552g
Badness: 0.0209
19-limit
Subgroup: 2.3.5.7.11.13.17.19
Comma list: 936/935, 1216/1215, 1701/1700, 1716/1715, 2376/2375, 4200/4199
Mapping: [⟨6 0 71 150 230 279 -4 35], ⟨0 1 -6 -14 -22 -27 3 -1]]
Optimal tunings:
- CTE: ~55/49 = 1\6, ~3/2 = 702.2118
- CWE: ~55/49 = 1\6, ~3/2 = 702.1890
Optimal ET sequence: 12f, 270, 552g, 822gg
Badness: 0.0156
Sextilia
Subgroup: 2.3.5.7.11.13
Comma list: 1001/1000, 4096/4095, 4459/4455, 20449/20412
Mapping: [⟨6 0 71 150 230 -149], ⟨0 1 -6 -14 -22 18]]
Optimal tunings:
- CTE: ~55/49 = 1\6, ~3/2 = 702.2296
- CWE: ~55/49 = 1\6, ~3/2 = 702.2285
Optimal ET sequence: 12, 258e, 270
Badness: 0.0391
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 715/714, 1001/1000, 1701/1700, 4096/4095, 4459/4455
Mapping: [⟨6 0 71 150 230 -149 -4], ⟨0 1 -6 -14 -22 18 3]]
Optimal tunings:
- CTE: ~55/49 = 1\6, ~3/2 = 702.2264
- CWE: ~55/49 = 1\6, ~3/2 = 702.2207
Optimal ET sequence: 12, 258e, 270
Badness: 0.0384
19-limit
Subgroup: 2.3.5.7.11.13.17.19
Comma list: 715/714, 1001/1000, 1216/1215, 1701/1700, 1729/1728, 2912/2907
Mapping: [⟨6 0 71 150 230 -149 -4 35], ⟨0 1 -6 -14 -22 18 3 -1]]
Optimal tunings:
- CTE: ~55/49 = 1\6, ~3/2 = 702.2266
- CWE: ~55/49 = 1\6, ~3/2 = 702.2208
Optimal ET sequence: 12, 258e, 270
Badness: 0.0252
Septichrome
Subgroup: 2.3.5.7
Comma list: 250047/250000, 2460375/2458624
Mapping: [⟨3 3 1 0], ⟨0 5 17 24]]
Optimal tuning (POTE): ~63/50 = 1\3, ~243/224 = 140.367
Optimal ET sequence: 60, 111, 171, 795, 966, 1137, 1308, 5403b, 6711b, 8019bc
Badness: 0.016814
Semiseptichrome
Subgroup: 2.3.5.7.11
Comma list: 9801/9800, 151263/151250, 234375/234256
Mapping: [⟨6 1 -15 -24 -32], ⟨0 5 17 24 31]]
- mapping generators: ~55/49, ~375/308
Optimal tuning (CTE): ~55/49 = 1\6, ~375/308 = 340.3687 (~1760/1701 = 59.6313)
Optimal ET sequence: 60e, 222cdee, 282, 342, 966, 1308, 1650, 4608b, 6258bc
Badness: 0.0194
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 1716/1715, 2080/2079, 34398/34375, 85293/85184
Mapping: [⟨6 1 -15 -24 -32 -68], ⟨0 5 17 24 31 53]]
Optimal tuning (CTE): ~55/49 = 1\6, ~375/308 = 340.3778 (~121/117 = 59.6222)
Optimal ET sequence: 282, 342f, 624
Badness: 0.0397
17-limit
Subgroup: 2.3.5.7.11.13
Comma list: 936/935, 1701/1700, 1716/1715, 2025/2023, 61965/61952
Mapping: [⟨6 1 -15 -24 -32 -68 -1], ⟨0 5 17 24 31 53 15]]
Optimal tuning (CTE): ~55/49 = 1\6, ~375/308 = 340.3763 (~88/85 = 59.6237)
Optimal ET sequence: 282, 342f, 624
Badness: 0.0272
19-limit
Subgroup: 2.3.5.7.11.13
Comma list: 936/935, 1701/1700, 1716/1715, 2025/2023, 2376/2375, 23409/23408
Mapping: [⟨6 1 -15 -24 -32 -68 -1 34], ⟨0 5 17 24 31 53 15 -5]]
Optimal tuning (CTE): ~55/49 = 1\6, ~162/133 = 340.3767 (~88/85 = 59.6233)
Optimal ET sequence: 282, 342f, 624
Badness: 0.0222
23-limit
Subgroup: 2.3.5.7.11.13.17.19.23
Comma list: 936/935, 1701/1700, 1716/1715, 1863/1862, 2024/2023, 2025/2023, 2376/2375
Mapping: [⟨6 1 -15 -24 -32 -68 -1 34 -12], ⟨0 5 17 24 31 53 15 -5 23]]
Optimal tuning (CTE): ~55/49 = 1\6, ~162/133 = 340.3757 (~88/85 = 59.6243)
Optimal ET sequence: 282, 342f, 624
Badness: 0.0160
Pnict
Subgroup: 2.3.5.7
Comma list: 250047/250000, 2100875/2097152
Mapping: [⟨3 10 11 6], ⟨0 -13 -10 6]]
Optimal tuning (POTE): ~63/50 = 1\3, ~192/175 = 161.399
Optimal ET sequence: 15, 141, 156, 171, 2409cd, 2580cd, …, 4461bccddd, 4632bccddd
Badness: 0.045660
Domain
Subgroup: 2.3.5.7
Comma list: 250047/250000, 645700815/645657712
Mapping: [⟨3 -3 -9 -8], ⟨0 17 35 36]]
Optimal tuning (POTE): ~63/50 = 1\3, ~10/9 = 182.467
Optimal ET sequence: 171, 1164, 1335, 1506, 1677, 1848, 2019, 2190, 11943, 13962, 15981, 18000, 20019, 22038
Badness: 0.013979
Avicenna
Subgroup: 2.3.5.7
Comma list: 250047/250000, 29360128/29296875
Mapping: [⟨3 2 8 16], ⟨0 8 -3 -22]]
Optimal ET sequence: 87, 183, 270, 723, 993, 1263, 2796cd, 4059bccd
Badness: 0.062187
11-limit
Subgroup: 2.3.5.7.11
Comma list: 3025/3024, 5632/5625, 102487/102400
Mapping: [⟨3 2 8 16 9], ⟨0 8 -3 -22 4]]
Optimal tunings:
- CTE: ~63/50 = 1\3, ~693/640 = 137.773
- POTE: ~63/50 = 1\3, ~693/640 = 137.771
Optimal ET sequence: 87, 183, 270, 1263, 1533, 1803c
Badness: 0.023085
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 676/675, 1001/1000, 3025/3024, 4096/4095
Mapping: [⟨3 2 8 16 9 8], ⟨0 8 -3 -22 4 9]]
Optimal tunings:
- CTE: ~63/50 = 1\3, ~13/12 = 137.777
- POTE: ~63/50 = 1\3, ~13/12 = 137.777
Optimal ET sequence: 87, 183, 270
Badness: 0.015557
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 676/675, 715/714, 1001/1000, 3025/3024, 4096/4095
Mapping: [⟨3 2 8 16 9 8 4], ⟨0 8 -3 -22 4 9 24]]
Optimal tunings:
- CTE: ~63/50 = 1\3, ~13/12 = 137.758
- POTE: ~63/50 = 1\3, ~13/12 = 137.761
Optimal ET sequence: 87, 183, 270, 453
Badness: 0.0171
19-limit
Subgroup: 2.3.5.7.11.13.17.19
Comma list: 676/675, 715/714, 1001/1000, 1216/1215, 1729/1728, 3025/3024
Mapping: [⟨3 2 8 16 9 8 4 0], ⟨0 8 -3 -22 4 9 24 37]]
Optimal tunings:
- CTE: ~63/50 = 1\3, ~13/12 = 137.763
- POTE: ~63/50 = 1\3, ~13/12 = 137.767
Optimal ET sequence: 87, 183, 270
Badness: 0.0153
Terture
Subgroup: 2.3.5.7
Comma list: 250047/250000, 359661568/358722675
Mapping: [⟨3 4 3 2], ⟨0 4 21 34]]
Optimal tuning (POTE): ~63/50 = 1\3, ~392/375 = 75.555
Optimal ET sequence: 111, 159, 270
Badness: 0.087156
11-limit
Subgroup: 2.3.5.7.11
Comma list: 3025/3024, 19712/19683, 102487/102400
Mapping: [⟨3 4 3 2 10], ⟨0 4 21 34 2]]
Optimal tuning (POTE): ~63/50 = 1\3, ~392/375 = 75.550
Optimal ET sequence: 111, 159, 270, 1239, 1509, 1779, 2049, 2319
Badness: 0.029326
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 676/675, 1001/1000, 3025/3024, 10985/10976
Mapping: [⟨3 4 3 2 10 6], ⟨0 4 21 34 2 27]]
Optimal tuning (POTE): ~63/50 = 1\3, ~117/112 = 75.553
Optimal ET sequence: 111, 159, 270
Badness: 0.018647
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 676/675, 715/714, 936/935, 1001/1000, 4928/4913
Mapping: [⟨3 4 3 2 10 6 10], ⟨0 4 21 34 2 27 12]]
Optimal tuning (POTE): ~63/50 = 1\3, ~117/112 = 75.560
Optimal ET sequence: 111, 159, 270
Badness: 0.018705
19-limit
Subgroup: 2.3.5.7.11.13.17.19
Comma list: 676/675, 715/714, 936/935, 1001/1000, 1216/1215, 1617/1615
Mapping: [⟨3 4 3 2 10 6 10 5], ⟨0 4 21 34 2 27 12 41]]
Optimal tuning (POTE): ~63/50 = 1\3, ~95/91 = 75.560
Optimal ET sequence: 111, 159, 270
Badness: 0.013902
23-limit
Subgroup: 2.3.5.7.11.13.17.19.23
Comma list: 460/459, 529/528, 676/675, 715/714, 936/935, 1001/1000, 1216/1215
Mapping: [⟨3 4 3 2 10 6 10 5 13], ⟨0 4 21 34 2 27 12 41 3]]
Optimal tuning (POTE): ~63/50 = 1\3, ~24/23 = 75.548
Optimal ET sequence: 111, 159, 270
Badness: 0.014915
Slendscape
Slendscape tempers out the slendroschisma (68719476736/68641485507) in addition to landscape comma, and thereby features a period of 1\15.
Subgroup: 2.3.5.7
Comma list: 250047/250000, 12884901888/12867859375
Mapping: [⟨15 0 17 54], ⟨0 4 3 -2]]
- Mapping generators: ~8575/8192, ~1152/875
Optimal tuning (CTE): ~8575/8192 = 80.0000, ~1152/875 = 475.4847 (~6/5 = 315.4847 or ~21/20 = 84.5153)
Optimal ET sequence: 255, 270, 525, 795, 1065
Badness: 0.058002
11-limit
Subgroup: 2.3.5.7.11
Comma list: 3025/3024, 102487/102400, 180224/180075
Mapping: [⟨15 0 17 54 40], ⟨0 4 3 -2 2]]
Optimal tuning (CTE): ~22/21 = 80.0000, ~968/735 = 475.4912 (~6/5 = 315.4912 or ~21/20 = 84.5088)
Optimal ET sequence: 255, 270, 525, 795, 1065
Badness: 0.026246
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 1716/1715, 3025/3024, 4096/4095, 14641/14625
Mapping: [⟨15 0 17 54 40 109], ⟨0 4 3 -2 2 -9]]
Optimal tuning (CTE): ~22/21 = 80.0000, ~154/117 = 475.4935 (~6/5 = 315.4935 or ~21/20 = 84.5065)
Optimal ET sequence: 255, 270, 795, 1065
Badness: 0.021230
Akjayland
Akjayland tempers out the akjaysma in addition to landscape comma, and thereby features a period of 1\21.
Subgroup: 2.3.5.7
Comma list: 250047/250000, [43 -1 -13 -4⟩
Mapping: [⟨21 1 38 102], ⟨0 3 1 -4]]
- mapping generators: ~1323/1280, ~131072/91875
Optimal tuning (CTE): ~1323/1280 = 1\21, ~131072/91875 = 614.9354
Optimal ET sequence: 84, 273, 357, 441, 966, 1407, 1848, 7833, 9681, 11529, 13377c
Badness: 0.0309
Vasca
Vasca can be described as the 357 & 525 temperament, extended as high as the 23-limit. It tempers out the [95 0 0 0 0 0 0 0 -21⟩, and sets a stack of twenty-one 23/16's equal with eleven octaves. The name derives from elements vanadium (23) and scandium (21), since this uses the 23rd harmonic, which itself is extremely well represented in 21edo.
Subgroup: 2.3.5.7.11
Comma list: 3025/3024, 102487/102400, [39 -4 -11 -5 2⟩
Mapping: [⟨21 4 39 98 58], ⟨0 6 2 -8 3 3]]
- mapping generators: ~1323/1280, ~6615/5632
Optimal tuning (CTE): ~1323/1280 = 1\21, ~6615/5632 = 278.8998
Optimal ET sequence: 168, 357, 525, 882, 1407, 2289e
Badness: 0.0949
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 3025/3024, 4096/4095, 14641/14625, 85750/85683
Mapping: [⟨21 4 39 98 58 107], ⟨0 6 2 -8 3 -6]]
Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.9058
Optimal ET sequence: 168, 357, 525, 882
Badness: 0.0551
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 2601/2600, 3025/3024, 4096/4095, 8624/8619, 14641/14625
Mapping: [⟨21 4 39 98 58 107 120], ⟨0 6 2 -8 3 -6 -7]]
Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.9036
Optimal ET sequence: 168, 357, 525, 882
Badness: 0.0319
19-limit
Subgroup: 2.3.5.7.11.13.17.19
Comma list: 2376/2375, 2601/2600, 2926/2925, 3025/3024, 3213/3211, 4096/4095
Mapping: [⟨21 4 39 98 58 107 120 16], ⟨0 6 2 -8 3 -6 -7 15]]
Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.9036
Optimal ET sequence: 168h, 357, 525, 882, 1407
Badness: 0.0270
23-limit
Subgroup: 2.3.5.7.11.13.17.19.23
Comma list: 1496/1495, 2376/2375, 2601/2600, 2646/2645, 2926/2925, 3025/3024, 3213/3211
Mapping: [⟨21 4 39 98 58 107 120 16 95], ⟨0 -6 -2 8 -3 6 7 -15 0]]
Optimal tuning (CTE): ~336/325 = 1\21, ~168/143 = 278.8971
Optimal ET sequence: 168h, 357, 525, 882, 1407
Badness: 0.0199
Magnesium
- For the 5-limit version, see 12th-octave temperaments#Magnesium (5-limit).
Magnesium is named after element 12 for being period 12, however, it's not an extension of the atomic – the associated comma is [-157 -24 84⟩ in the 5-limit and the 7 generators together with 12edo major second reach the just perfect fifth, 3/2.
Subgroup: 2.3.5.7
Comma list: 250047/250000, [-59 2 18 5⟩
Mapping: [⟨12 2 23 58], ⟨0 7 2 -10]]
- mapping generators: ~138915/131072, 3145728/2734375
Optimal tuning (CTE): ~138915/131072 = 1\12, ~3145728/2734375 = 243.130
Optimal ET sequence: 84, 360d, 444, 528, 612, 1920, 2532, 10740cd, 13272bcdd, 15804bcdd, 18336bcddd
Badness: 0.0964
Chromium
- For the 5-limit version, see 24th-octave temperaments#Chromium (5-limit).
Chromium is defined by associating the porcupine comma 250/243 to the 24th of an octave. Named after the 24th element for being period 24.
Subgroup: 2.3.5.7
Comma list: 250047/250000, 49589822592/49433168575
Mapping: [⟨24 1 -6 18], ⟨0 3 5 4]]
- mapping generators: ~250/243, ~10/7
Optimal tuning (CTE): ~250/243 = 1\24, ~10/7 = 617.2710
Optimal ET sequence: 72, …, 480, 552, 624, 1320, 1944d, 3264d
Badness: 0.139
11-limit
Subgroup: 2.3.5.7.11
Comma list: 9801/9800, 46656/46585, 250047/250000
Mapping: [⟨24 1 -6 18 46], ⟨0 3 5 4 3]]
Optimal tuning (CTE): ~250/243 = 1\24, ~10/7 = 617.2597
Optimal ET sequence: 72, …, 480, 552, 624
Badness: 0.0398
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 1716/1715, 2080/2079, 34398/34375, 39366/39325
Mapping: [⟨24 1 -6 18 46 -47 -13], ⟨0 3 5 4 3 11]]
Optimal tuning (CTE): ~250/243 = 1\24, ~10/7 = 617.2869
Optimal ET sequence: 72, …, 480f, 552, 624, 1176de, 1800cdee
Badness: 0.0293
17-limit
Subgroup: 2.3.5.7.11.13.17
Comma list: 936/935, 1701/1700, 1716/1715, 2025/2023, 11016/11011
Mapping: [⟨24 1 -6 18 46 -47 -13], ⟨0 3 5 4 3 11 9]]
Optimal tuning (CTE): ~35/34 = 1\24, ~10/7 = 617.2732
Optimal ET sequence: 72, …, 480fgg, 552g, 624
Badness: 0.0209
Zinc
Subgroup: 2.3.5.7
Comma list: 250047/250000, [-53 -12 2 24⟩
Mapping: [⟨30 2 15 66], ⟨0 5 6 2]]
- CTE: ~53747712/52521875 = 1\30, ~216/175 = 364.3896 (~[21 3 1 -10⟩ = 4.3896)
- CWE: ~53747712/52521875 = 1\30, ~216/175 = 364.3879 (~[21 3 1 -10⟩ = 4.3879)
Optimal ET sequence: 270, 1380, 1650, 1920, 2190, 4650
Badness: 0.0742
11-limit
Subgroup: 2.3.5.7.11
Comma list: 9801/9800, 151263/151250, [-27 -6 4 6 3⟩
Mapping: [⟨30 2 15 66 122], ⟨0 5 6 2 -2]]
Optimal tunings:
- CTE: ~18865/18432 = 1\30, ~216/175 = 364.3886 (~385/384 = 4.3886)
- CWE: ~18865/18432 = 1\30, ~216/175 = 364.3849 (~385/384 = 4.3849)
Optimal ET sequence: 270, 1110, 1380, 1650, 1920, 2190
Badness: 0.0220
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 9801/9800, 10648/10647, 105644/105625, 196625/196608
Mapping: [⟨30 2 15 66 122 193], ⟨0 5 6 2 -2 -9]]
Optimal tunings:
- CTE: ~351/343 = 1\30, ~216/175 = 364.3879 (~385/384 = 4.3879)
- CWE: ~351/343 = 1\30, ~216/175 = 364.3867 (~385/384 = 4.3867)
Optimal ET sequence: 270, 1380, 1650, 1920, 2190, 4650, 6840e, 11490de
Badness: 0.0155
2.3.5.7.11.13.19 subgroup (neozinc)
Subgroup: 2.3.5.7.11.13.19
Comma list: 5929/5928, 6860/6859, 9801/9800, 10241/10240, 89376/89375
Mapping: [⟨30 2 15 66 122 193 91], ⟨0 5 6 2 -2 -9 4]]
Optimal tunings:
- CTE: ~175/171 = 1\30, ~216/175 = 364.3876 (~400/399 = 4.3876)
- CWE: ~175/171 = 1\30, ~216/175 = 364.3864 (~400/399 = 4.3864)
Optimal ET sequence: 270, 1380, 1650, 1920, 2190, 4650, 6840e
Badness: 0.00921
Poe
Subgroup: 2.3.5.7
Comma list: 250047/250000, [15 -16 -4 7⟩
Mapping: [⟨30 0 -73 -106], ⟨0 1 3 4]]
- CTE: ~2240/2187 = 1\30, ~3/2 = 702.141 (~81/80 = 22.141)
- CWE: ~2240/2187 = 1\30, ~3/2 = 702.166 (~81/80 = 22.166)
11-limit
Subgroup: 2.3.5.7.11
Comma list: 9801/9800, 19712/19683, 250047/250000
Mapping: [⟨30 0 -73 -106 -134], ⟨0 1 3 4 5]]
Optimal tunings:
- CTE: ~45/44 = 1\30, ~3/2 = 702.182 (~81/80 = 22.182)
- CWE: ~45/44 = 1\30, ~3/2 = 702.213 (~81/80 = 22.213)
13-limit
Subgroup: 2.3.5.7.11.13
Comma list: 19712/19683, 1001/1000, 4459/4455, 4225/4224
Mapping: [⟨30 0 -73 -106 -134 111], ⟨0 1 3 4 5 0]]
Optimal tunings:
- CTE: ~45/44 = 1\30, ~3/2 = 702.182 (~81/80 = 22.182)
- CWE: ~45/44 = 1\30, ~3/2 = 702.170 (~81/80 = 22.170)