Myna: Difference between revisions
Wikispaces>genewardsmith **Imported revision 466845546 - Original comment: ** |
m replaced quasitemp with superkleismic, since it's generated by 6/5 like myna and demonstrates the keemic equivalence better; also I believe it to be more known than quasitemp |
||
| (44 intermediate revisions by 9 users not shown) | |||
| Line 1: | Line 1: | ||
{{Infobox regtemp | |||
| Title = Myna | |||
| Subgroups = 2.3.5.7, 2.3.5.7.11 | |||
| Comma basis = [[126/125]], [[1728/1715]] (7-limit); <br>[[126/125]], [[176/175]], [[243/242]] (11-limit) | |||
| Edo join 1 = 27e | Edo join 2 = 31 | |||
| Mapping = 1; 10 9 7 25 | |||
| Generators = 6/5 | Generators tuning = 310.1 | Optimization method = CWE | |||
| MOS scales = [[3L 1s]], [[4L 3s]], [[4L 7s]], …, [[4L 23s]], [[27L 4s]] | |||
| Pergen = (P8, ccP5/10) | |||
| Odd limit 1 = 7 | Mistuning 1 = ? | Complexity 1 = 23 | |||
| Odd limit 2 = (2.3.5.7.11) 21 | Mistuning 2 = ? | Complexity 2 = 58 | |||
}} | |||
'''Myna''' is a [[rank-2]] [[regular temperament|temperament]] that is [[generator|generated]] by a flattened minor third of [[~]][[6/5]], so that seven generators reach [[7/4]], nine reach [[5/4]] and ten reach [[3/2]]. It can be thought of in terms of a series of equidistances between thirds, that is, making [[8/7]]–[[7/6]]–6/5–[[49/40]]–[[5/4]]–[[9/7]]–[[21/16]] all equidistant (the distances between which are [[36/35]], [[49/48]], and [[50/49]]), or otherwise tuning the pental thirds outwards so that the chroma between them ([[25/24]]) is twice the size of the interval between the pental and septimal thirds, 36/35. This is one of two major options for how the thirds are organized in [[edo]]s of medium size – the other one being [[keemic temperaments]], such as [[superkleismic]], where the gap between 6/5 and 5/4 is compressed to equal that between 7/6 and 6/5 instead of widened to equal twice it. In either case, by tempering the septimal dieses together, there is an exact neutral third in between 6/5 and 5/4. [[11-limit]] myna then arises from equating this neutral third to [[11/9]] and 13-limit myna adds the interpretation of [[16/13]] to it as well. | |||
= | [[27edo|27e-edo]] and [[31edo]] represent natural endpoints of myna's tuning range, and 27 + 31 = [[58edo]] and 58 + 31 = [[89edo]] are very good tunings. In terms of [[commas]], the most characteristic comma that myna [[tempering out|tempers out]] is [[126/125]], the starling comma, so that two generators reach [[10/7]] and four reach the distinctive 36/35~50/49 chroma. Additionally, [[1728/1715]] ([[S-expression|S6/S7]]), the orwellisma, is tempered out to equate 36/35 with 49/48, and so is [[2401/2400]], the breedsma, to equate 49/48 and 50/49 (and find a neutral third at 49/40~60/49). In the 11-limit, [[176/175]], [[243/242]], [[441/440]], and [[540/539]] are tempered out; in the 13-limit, [[144/143]] and [[352/351]] are additionally tempered out. | ||
Note: "myna" is pronounced /'maɪnə/, like {{w|myna|the bird}}, but is also as a pun on "minor". | |||
See [[Starling temperaments #Myna]] for more technical data. | |||
== Interval chain == | |||
In the following table, prime harmonics are in '''bold'''. | |||
{| class="wikitable center-1 right-2" | |||
|- | |||
! # | |||
! Cents* | |||
! Approximate ratios | |||
|- | |||
| 0 | |||
| 0.0 | |||
| '''1/1''' | |||
|- | |||
| 1 | |||
| 310.2 | |||
| 6/5 | |||
|- | |||
| 2 | |||
| 620.4 | |||
| 10/7 | |||
|- | |||
| 3 | |||
| 930.7 | |||
| 12/7 | |||
|- | |||
| 4 | |||
| 40.9 | |||
| 36/35, 40/39, 45/44, 49/48, 50/49 | |||
|- | |||
| 5 | |||
| 351.1 | |||
| 11/9, '''16/13''' | |||
|- | |||
| 6 | |||
| 661.3 | |||
| 22/15, 35/24 | |||
|- | |||
| 7 | |||
| 971.6 | |||
| '''7/4''' | |||
|- | |||
| 8 | |||
| 81.8 | |||
| 21/20, 22/21, 25/24 | |||
|- | |||
| 9 | |||
| 392.0 | |||
| '''5/4''' | |||
|- | |||
| 10 | |||
| 702.2 | |||
| '''3/2''' | |||
|- | |||
| 11 | |||
| 1012.4 | |||
| 9/5 | |||
|- | |||
| 12 | |||
| 122.7 | |||
| 14/13, 15/14, 27/25 | |||
|- | |||
| 13 | |||
| 432.7 | |||
| 9/7 | |||
|- | |||
| 14 | |||
| 743.1 | |||
| 20/13 | |||
|- | |||
| 15 | |||
| 1053.3 | |||
| 11/6, 24/13 | |||
|- | |||
| 16 | |||
| 163.5 | |||
| 11/10 | |||
|- | |||
| 17 | |||
| 473.8 | |||
| 21/16 | |||
|- | |||
| 18 | |||
| 784.0 | |||
| 11/7 | |||
|- | |||
| 19 | |||
| 1094.2 | |||
| 15/8 | |||
|- | |||
| 20 | |||
| 204.4 | |||
| 9/8 | |||
|- | |||
| 21 | |||
| 514.7 | |||
| 27/20 | |||
|- | |||
| 22 | |||
| 824.9 | |||
| 21/13 | |||
|- | |||
| 23 | |||
| 1135.1 | |||
| 27/14 | |||
|- | |||
| 24 | |||
| 245.3 | |||
| 15/13 | |||
|- | |||
| 25 | |||
| 555.5 | |||
| '''11/8''', 18/13 | |||
|- | |||
| 26 | |||
| 865.6 | |||
| 33/20 | |||
|- | |||
| 27 | |||
| 1176.0 | |||
| 55/28, 63/32, 77/39, 99/50 | |||
|} | |||
<nowiki/>* In 13-limit CWE tuning | |||
== Chords and harmony == | |||
{{See also| Chords of myna | Chords of tridecimal myna }} | |||
== Scales == | |||
; Mos scales | |||
* [[Myna7]] | |||
* [[Myna11]] | |||
* [[Myna15]] | |||
; Transversal scales | |||
* [[Myna19trans]] | |||
* [[Myna19trans37]] | |||
* [[Myna23trans]] | |||
* [[Myna23trans37]] | |||
* [[Myna27trans]] | |||
* [[Myna27trans37]] | |||
== Tunings == | |||
=== Tuning spectrum === | |||
{| class="wikitable center-all left-4" | |||
|- | |||
! Edo<br>generator | |||
! [[Eigenmonzo|Eigenmonzo<br>(unchanged interval)]] | |||
! Generator (¢) | |||
! Comments | |||
|- | |||
| | |||
| 7/5 | |||
| 308.744 | |||
| | |||
|- | |||
| | |||
| 11/9 | |||
| 309.482 | |||
| | |||
|- | |||
| | |||
| 5/4 | |||
| 309.590 | |||
| | |||
|- | |||
| 8\31 | |||
| | |||
| 309.677 | |||
| | |||
|- | |||
| | |||
| 7/4 | |||
| 309.832 | |||
| | |||
|- | |||
| | |||
| 15/8 | |||
| 309.909 | |||
| | |||
|- | |||
| | |||
| 15/14 | |||
| 309.953 | |||
| | |||
|- | |||
| | |||
| 11/6 | |||
| 309.958 | |||
| | |||
|- | |||
| | |||
| 11/8 | |||
| 310.053 | |||
| | |||
|- | |||
| 23\89 | |||
| | |||
| 310.112 | |||
| 89f val | |||
|- | |||
| | |||
| 11/7 | |||
| 310.138 | |||
| | |||
|- | |||
| | |||
| 3/2 | |||
| 310.196 | |||
| 5-, 7-, 9- and 11-odd-imit minimax; <br>5-, 7-, 11- and 13-limit POTT | |||
|- | |||
| | |||
| 11/10 | |||
| 310.313 | |||
| | |||
|- | |||
| | |||
| 15/13 | |||
| 310.323 | |||
| 15-odd-limit minimax | |||
|- | |||
| 15\58 | |||
| | |||
| 310.345 | |||
| | |||
|- | |||
| | |||
| 13/11 | |||
| 310.360 | |||
| 13-odd-limit minimax | |||
|- | |||
| | |||
| 9/7 | |||
| 310.391 | |||
| | |||
|- | |||
| | |||
| 13/10 | |||
| 310.413 | |||
| | |||
|- | |||
| | |||
| 15/11 | |||
| 310.508 | |||
| | |||
|- | |||
| | |||
| 13/9 | |||
| 310.535 | |||
| | |||
|- | |||
| 22\85 | |||
| | |||
| 310.588 | |||
| 85ce val | |||
|- | |||
| | |||
| 9/5 | |||
| 310.691 | |||
| | |||
|- | |||
| | |||
| 13/7 | |||
| 310.692 | |||
| | |||
|- | |||
| | |||
| 13/12 | |||
| 310.762 | |||
| | |||
|- | |||
| | |||
| 7/6 | |||
| 311.043 | |||
| | |||
|- | |||
| 7\27 | |||
| | |||
| 311.111 | |||
| 27e val | |||
|- | |||
| | |||
| 13/8 | |||
| 311.894 | |||
| | |||
|- | |||
| | |||
| 5/3 | |||
| 315.641 | |||
| | |||
|} | |||
== Music == | |||
; [[Igliashon Jones]] | |||
* [https://web.archive.org/web/20201129182056/http://clones.soonlabel.com/public/micro/gene_ward_smith/Others/Igs/89versionof23Myna.mp3 ''Myna Music''] | |||
[[Category:Myna| ]] <!-- Main article --> | |||
[[Category:Rank-2 temperaments]] | |||
[[Category:Starling temperaments]] | |||
[[Category:Orwellismic temperaments]] | |||
[[Category:Breedsmic temperaments]] | |||
Latest revision as of 06:29, 14 May 2026
| Myna |
126/125, 176/175, 243/242 (11-limit)
(2.3.5.7.11) 21-odd-limit: ? ¢
(2.3.5.7.11) 21-odd-limit: 58 notes
Myna is a rank-2 temperament that is generated by a flattened minor third of ~6/5, so that seven generators reach 7/4, nine reach 5/4 and ten reach 3/2. It can be thought of in terms of a series of equidistances between thirds, that is, making 8/7–7/6–6/5–49/40–5/4–9/7–21/16 all equidistant (the distances between which are 36/35, 49/48, and 50/49), or otherwise tuning the pental thirds outwards so that the chroma between them (25/24) is twice the size of the interval between the pental and septimal thirds, 36/35. This is one of two major options for how the thirds are organized in edos of medium size – the other one being keemic temperaments, such as superkleismic, where the gap between 6/5 and 5/4 is compressed to equal that between 7/6 and 6/5 instead of widened to equal twice it. In either case, by tempering the septimal dieses together, there is an exact neutral third in between 6/5 and 5/4. 11-limit myna then arises from equating this neutral third to 11/9 and 13-limit myna adds the interpretation of 16/13 to it as well.
27e-edo and 31edo represent natural endpoints of myna's tuning range, and 27 + 31 = 58edo and 58 + 31 = 89edo are very good tunings. In terms of commas, the most characteristic comma that myna tempers out is 126/125, the starling comma, so that two generators reach 10/7 and four reach the distinctive 36/35~50/49 chroma. Additionally, 1728/1715 (S6/S7), the orwellisma, is tempered out to equate 36/35 with 49/48, and so is 2401/2400, the breedsma, to equate 49/48 and 50/49 (and find a neutral third at 49/40~60/49). In the 11-limit, 176/175, 243/242, 441/440, and 540/539 are tempered out; in the 13-limit, 144/143 and 352/351 are additionally tempered out.
Note: "myna" is pronounced /'maɪnə/, like the bird, but is also as a pun on "minor".
See Starling temperaments #Myna for more technical data.
Interval chain
In the following table, prime harmonics are in bold.
| # | Cents* | Approximate ratios |
|---|---|---|
| 0 | 0.0 | 1/1 |
| 1 | 310.2 | 6/5 |
| 2 | 620.4 | 10/7 |
| 3 | 930.7 | 12/7 |
| 4 | 40.9 | 36/35, 40/39, 45/44, 49/48, 50/49 |
| 5 | 351.1 | 11/9, 16/13 |
| 6 | 661.3 | 22/15, 35/24 |
| 7 | 971.6 | 7/4 |
| 8 | 81.8 | 21/20, 22/21, 25/24 |
| 9 | 392.0 | 5/4 |
| 10 | 702.2 | 3/2 |
| 11 | 1012.4 | 9/5 |
| 12 | 122.7 | 14/13, 15/14, 27/25 |
| 13 | 432.7 | 9/7 |
| 14 | 743.1 | 20/13 |
| 15 | 1053.3 | 11/6, 24/13 |
| 16 | 163.5 | 11/10 |
| 17 | 473.8 | 21/16 |
| 18 | 784.0 | 11/7 |
| 19 | 1094.2 | 15/8 |
| 20 | 204.4 | 9/8 |
| 21 | 514.7 | 27/20 |
| 22 | 824.9 | 21/13 |
| 23 | 1135.1 | 27/14 |
| 24 | 245.3 | 15/13 |
| 25 | 555.5 | 11/8, 18/13 |
| 26 | 865.6 | 33/20 |
| 27 | 1176.0 | 55/28, 63/32, 77/39, 99/50 |
* In 13-limit CWE tuning
Chords and harmony
Scales
- Mos scales
- Transversal scales
Tunings
Tuning spectrum
| Edo generator |
Eigenmonzo (unchanged interval) |
Generator (¢) | Comments |
|---|---|---|---|
| 7/5 | 308.744 | ||
| 11/9 | 309.482 | ||
| 5/4 | 309.590 | ||
| 8\31 | 309.677 | ||
| 7/4 | 309.832 | ||
| 15/8 | 309.909 | ||
| 15/14 | 309.953 | ||
| 11/6 | 309.958 | ||
| 11/8 | 310.053 | ||
| 23\89 | 310.112 | 89f val | |
| 11/7 | 310.138 | ||
| 3/2 | 310.196 | 5-, 7-, 9- and 11-odd-imit minimax; 5-, 7-, 11- and 13-limit POTT | |
| 11/10 | 310.313 | ||
| 15/13 | 310.323 | 15-odd-limit minimax | |
| 15\58 | 310.345 | ||
| 13/11 | 310.360 | 13-odd-limit minimax | |
| 9/7 | 310.391 | ||
| 13/10 | 310.413 | ||
| 15/11 | 310.508 | ||
| 13/9 | 310.535 | ||
| 22\85 | 310.588 | 85ce val | |
| 9/5 | 310.691 | ||
| 13/7 | 310.692 | ||
| 13/12 | 310.762 | ||
| 7/6 | 311.043 | ||
| 7\27 | 311.111 | 27e val | |
| 13/8 | 311.894 | ||
| 5/3 | 315.641 |