Minortone family: Difference between revisions
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{{Technical data page}} | {{Technical data page}} | ||
The ''' | The '''minortone family''' of [[regular temperament|temperaments]] [[tempering out|tempers out]] the [[minortone comma]] ({{monzo|legend=1| -16 35 -17 }}). | ||
== Minortone == | == Minortone == | ||
The head of this family is the 5-limit minortone temperament, a super-accurate microtemperament with generator a minor tone of [[10/9]], seventeen of which make the [[6/1|6th harmonic]], and another eighteen generators make the interval class of the [[5/1|5th harmonic]]. Its [[ploidacot]] is beta-17-cot. The generator should be tuned about 1/16 of a cent flat, with 6<sup>1/17</sup> being 0.06423 cents flat and 40<sup>1/35</sup> being 0.06234 cents flat. [[171edo|171-]], [[559edo|559-]] and [[730edo]] are among the possible edo tunings. | |||
[[Subgroup]]: 2.3.5 | [[Subgroup]]: 2.3.5 | ||
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{{Mapping|legend=1| 1 -1 -3 | 0 17 35 }} | {{Mapping|legend=1| 1 -1 -3 | 0 17 35 }} | ||
: mapping generators: ~2, ~10/9 | |||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~2 = 1200.0036{{c}}, ~10/9 = 182.4670{{c}} | |||
: [[error map]]: {{val| +0.004 -0.020 +0.020 }} | |||
* [[CWE]]: ~2 = 1200.0000{{c}}, ~10/9 = 182.4666{{c}} | |||
: error map: {{val| 0.000 -0.023 +0.017 }} | |||
{{Optimal ET sequence|legend=1| 46, 125, 171, 388, 559, 730, 1289, 2019, 2749, 4768, 16323, 21091 }} | {{Optimal ET sequence|legend=1| 46, 125, 171, 388, 559, 730, 1289, 2019, 2749, 4768, 16323, 21091, 25859b }} | ||
[[Badness]]: 0. | [[Badness]] (Sintel): 0.698 | ||
== Mitonic == | == Mitonic == | ||
Mitonic takes advantage of the fact that [[32/21]] is only a [[ragisma]] shy of (10/9)<sup>4</sup>, and so this 7-limit interpretation where 21 generators gives a ~8/7, if not quite so super-accurate, is more or less inevitable. While [[559edo|559]] or [[730edo|730]] are still fine as tunings, the error of the 7-limit is lower by a whisker in [[171edo]]. Generator chains of 46 or 79 notes can be used for this temperament. | |||
Extending mitonic to the 11-limit is not so simple. There are two mappings that are comparable in complexity and error: mineral (46 & 171) and ore (46 & 171e). Mineral tempers out 441/440 and 16384/16335 in the 11-limit. Ore tempers out 385/384 and 1331/1323 in the 11-limit, and maps [[11/8]] to three generators. The latter further branches to goldmine (46 & 125f), which equates [[16/13]] with a stack of two [[10/9]]'s and tempers together [[13/12]] and [[14/13]], and orefield (46 & 125), which uses the same mapping for 13 as mineral. All have the same mapping for 17, at -6 generators. The word ''mineral'' is related to ''mine'' and ''miner'', a pun on ''minor''. | |||
[[Subgroup]]: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
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{{Mapping|legend=1| 1 -1 -3 6 | 0 17 35 -21 }} | {{Mapping|legend=1| 1 -1 -3 6 | 0 17 35 -21 }} | ||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~2 = 1200.0963{{c}}, ~10/9 = 182.4727{{c}} | |||
: [[error map]]: {{val| +0.096 -0.015 -0.057 -0.176 }} | |||
* [[CWE]]: ~2 = 1200.0000{{c}}, ~10/9 = 182.4592{{c}} | |||
: error map: {{val| 0.000 -0.149 -0.243 -0.468 }} | |||
{{Optimal ET sequence|legend=1| 46, 125, 171, 1927d, 2098d, …, 3637bcdd }} | {{Optimal ET sequence|legend=1| 46, 125, 171, 1927d, 2098d, …, 3637bcdd }} | ||
[[Badness]]: 0. | [[Badness]] (Sintel): 0.637 | ||
=== Mineral === | === Mineral === | ||
Subgroup: 2.3.5.7.11 | Subgroup: 2.3.5.7.11 | ||
| Line 41: | Line 50: | ||
Mapping: {{mapping| 1 -1 -3 6 10 | 0 17 35 -21 -43 }} | Mapping: {{mapping| 1 -1 -3 6 10 | 0 17 35 -21 -43 }} | ||
Optimal tuning | Optimal tuning: | ||
* WE: ~2 = 1200.8759{{c}}, ~10/9 = 182.4631{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4818{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 125e, 171, 217 }} | ||
Badness: | Badness (Sintel): 1.95 | ||
==== 13-limit ==== | ==== 13-limit ==== | ||
| Line 54: | Line 65: | ||
Mapping: {{mapping| 1 -1 -3 6 10 11 | 0 17 35 -21 -43 -48 }} | Mapping: {{mapping| 1 -1 -3 6 10 11 | 0 17 35 -21 -43 -48 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~2 = 1199.8808{{c}}, ~10/9 = 182.4633{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4816{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 125e, 171, 217 }} | ||
Badness: | Badness (Sintel): 1.37 | ||
==== 17-limit ==== | ==== 17-limit ==== | ||
| Line 67: | Line 80: | ||
Mapping: {{mapping| 1 -1 -3 6 10 11 5 | 0 17 35 -21 -43 -48 -6 }} | Mapping: {{mapping| 1 -1 -3 6 10 11 5 | 0 17 35 -21 -43 -48 -6 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~2 = 1199.8923{{c}}, ~10/9 = 182.4650{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4816{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 125e, 171, 217 }} | ||
Badness: | Badness (Sintel): 1.01 | ||
=== Ore === | === Ore === | ||
Subgroup: 2.3.5.7.11 | Subgroup: 2.3.5.7.11 | ||
| Line 82: | Line 95: | ||
Mapping: {{mapping| 1 -1 -3 6 3 | 0 17 35 -21 3 }} | Mapping: {{mapping| 1 -1 -3 6 3 | 0 17 35 -21 3 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~2 = 1199.3408{{c}}, ~10/9 = 182.5004{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4518{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 125, 171e }} | ||
Badness: | Badness (Sintel): 1.77 | ||
==== | ==== Goldmine ==== | ||
Subgroup: 2.3.5.7.11.13 | Subgroup: 2.3.5.7.11.13 | ||
Comma list: | Comma list: 169/168, 325/324, 385/384, 1331/1323 | ||
Mapping: {{mapping| 1 -1 -3 6 3 | Mapping: {{mapping| 1 -1 -3 6 3 4 | 0 17 35 -21 3 -2 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~2 = 1200.5647{{c}}, ~10/9 = 182.5224{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4409{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 79, 125f, 171ef }} | ||
Badness: | Badness (Sintel): 1.62 | ||
===== 17-limit ===== | ===== 17-limit ===== | ||
Subgroup: 2.3.5.7.11.13.17 | Subgroup: 2.3.5.7.11.13.17 | ||
Comma list: | Comma list: 169/168, 273/272, 325/324, 385/384, 1331/1323 | ||
Mapping: {{mapping| 1 -1 -3 6 3 | Mapping: {{mapping| 1 -1 -3 6 3 4 5 | 0 17 35 -21 3 -2 -6 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~2 = 1200.4506{{c}}, ~10/9 = 182.5124{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4465{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 125f, 171ef }} | ||
Badness | Badness (Sintel): 1.40 | ||
==== Orefield ==== | |||
Subgroup: 2.3.5.7.11.13 | Subgroup: 2.3.5.7.11.13 | ||
Comma list: | Comma list: 352/351, 385/384, 1331/1323, 3267/3250 | ||
Mapping: {{mapping| 1 -1 -3 6 3 | Mapping: {{mapping| 1 -1 -3 6 3 11 | 0 17 35 -21 3 -48 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~2 = 1200.1737{{c}}, ~10/9 = 182.4966{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4705{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 125, 171e }} | ||
Badness: | Badness (Sintel): 1.91 | ||
===== 17-limit ===== | ===== 17-limit ===== | ||
Subgroup: 2.3.5.7.11.13.17 | Subgroup: 2.3.5.7.11.13.17 | ||
Comma list: | Comma list: 352/351, 385/384, 561/560, 715/714, 1452/1445 | ||
Mapping: {{mapping| 1 -1 -3 6 3 | Mapping: {{mapping| 1 -1 -3 6 3 11 5 | 0 17 35 -21 3 -48 -6 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~2 = 1200.1403{{c}}, ~10/9 = 182.4924{{c}} | |||
* CWE: ~2 = 1200.0000{{c}}, ~10/9 = 182.4712{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 125, 171e }} | ||
Badness: | Badness (Sintel): 1.45 | ||
=== Seminar === | === Seminar === | ||
| Line 149: | Line 170: | ||
Mapping: {{mapping| 2 -2 -6 12 13 | 0 17 35 -21 -20 }} | Mapping: {{mapping| 2 -2 -6 12 13 | 0 17 35 -21 -20 }} | ||
Optimal | Optimal tunings: | ||
* WE: ~99/70 = 600.0535{{c}}, ~10/9 = 182.4735{{c}} | |||
* CWE: ~99/70 = 600.0000{{c}}, ~10/9 = 182.4578{{c}} | |||
{{Optimal ET sequence|legend= | {{Optimal ET sequence|legend=0| 46, 250, 296, 342, 3466cddee, 3808bcddeee, …, 5176bccdddeeee }} | ||
Badness: 0. | Badness (Sintel): 0.886 | ||
==== 2.3.5.7.11.17 subgroup ==== | |||
Subgroup: 2.3.5.7.11.17 | |||
Comma list: 1089/1088, 1225/1224, 1701/1700, 262395/262144 | |||
Mapping: {{mapping| 2 -2 -6 12 13 4 | 0 17 35 -21 -20 6 }} | |||
Optimal tunings: | |||
* WE: ~99/70 = 600.0371{{c}}, ~10/9 = 182.4699{{c}} | |||
* CWE: ~99/70 = 600.0000{{c}}, ~10/9 = 182.4589{{c}} | |||
{{Optimal ET sequence|legend=0| 46, 250, 296, 342, 1414de }} | |||
Badness (Sintel): 0.831 | |||
== Domain == | == Domain == | ||
Domain adds the [[landscape comma]], 250047/250000, to the minortone comma, giving a temperament which is perhaps most notable for its inclusion of the remarkable subgroup temperament [[terrain]]. | |||
Domain adds the [[landscape comma]], 250047/250000, to the minortone comma, giving a temperament which is perhaps most notable for its inclusion of the remarkable subgroup temperament [[ | |||
[[Subgroup]]: 2.3.5.7 | [[Subgroup]]: 2.3.5.7 | ||
| Line 165: | Line 201: | ||
{{Mapping|legend=1| 3 -3 -9 -8 | 0 17 35 36 }} | {{Mapping|legend=1| 3 -3 -9 -8 | 0 17 35 36 }} | ||
: mapping generators: ~63/50, ~10/9 | |||
[[Optimal tuning]] | [[Optimal tuning]]s: | ||
* [[WE]]: ~63/50 = 400.0013{{c}}, ~10/9 = 182.4672{{c}} | |||
: [[error map]]: {{val| +0.004 -0.016 +0.028 -0.016 }} | |||
* [[CWE]]: ~63/50 = 400.0000{{c}}, ~10/9 = 182.4668{{c}} | |||
: error map: {{val| 0.000 -0.020 +0.024 -0.021 }} | |||
{{Optimal ET sequence|legend=1| 171, 1164, 1335, 1506, 1677, 1848, 2019, 11943, 13962, 15981, 18000, 20019, 22038 }} | {{Optimal ET sequence|legend=1| 171, 1164, 1335, 1506, 1677, 1848, 2019, 11943, 13962, 15981, 18000, 20019, 22038 }} | ||
[[Badness]]: 0. | [[Badness]] (Sintel): 0.354 | ||
=== | === Semidomain === | ||
Subgroup: 2.3.5.7.11 | Subgroup: 2.3.5.7.11 | ||
Comma list: 9801/9800, | Comma list: 9801/9800, 151263/151250, 1771561/1771470 | ||
Mapping: {{mapping| 6 | Mapping: {{mapping| 6 -6 -18 -16 -13 | 0 17 35 36 37 }} | ||
: mapping generators: ~55/49, ~10/9 | |||
: | Optimal tunings: | ||
* WE: ~55/49 = 200.0009{{c}}, ~10/9 = 182.4669{{c}} | |||
* CWE: ~55/49 = 200.0000{{c}}, ~10/9 = 182.4675{{c}} | |||
Optimal | {{Optimal ET sequence|legend=0| 342, 1164, 1506, 1848, 4038, 5886, 9924 }} | ||
Badness (Sintel): 0.360 | |||
[[Category:Minortone family| ]] <!-- main article --> | |||
[[Category:Temperament families]] | [[Category:Temperament families]] | ||
[[Category: | [[Category:Catalogs of rank-2 temperaments]] | ||