Ennealimmal: Difference between revisions

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{{URWTC}}
{{Infobox regtemp
 
| Title = Ennealimmal
'''Ennealimmal temperament''' is a [[regular temperament]] with a period of {{frac|1|9}} octave and tempers out [[2401/2400]] and [[4375/4374]]. Edos that support ennealimmal include {{EDOs| 27, 45, 72, 99, 171, 270, 441, and 612 }}.
| Subgroups = 2.3.5.7
| Comma basis = [[2401/2400]], [[4375/4374]]
| Edo join 1 = 27 | Edo join 2 = 45
| Mapping = 9; 2 3 2
| Generators = 5/3 | Generators tuning = 884.322 | Optimization method = CWE
| MOS scales = [[18L 9s]], [[27L 18s]], [[27L 45s]]
| Pergen = (P8/9, P5/2)
| Odd limit 1 = 9 | Mistuning 1 = 0.204 | Complexity 1 = 45
| Odd limit 2 = 7-limit 81 | Mistuning 2 = 0.408 | Complexity 2 = 99
}}
'''Ennealimmal''' is a [[regular temperament|temperament]] with a period of {{frac|1|9}} octave and tempers out [[2401/2400]] and [[4375/4374]]. Edos that support ennealimmal include {{EDOs| 27, 45, 72, 99, 171, 270, 441, and 612 }}.


See [[Septiennealimmal clan #Ennealimmal]] for technical data.
See [[Septiennealimmal clan #Ennealimmal]] for technical data.
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| 5 || 2 || 53.333 || 45
| 5 || 2 || 53.333 || 45
|}
|}
Ennealimmal extends less well to the [[11-limit]]. Extensions include enneabiotic (99e & 270), ennealympic (171 & 270), ennealimnic (72 & 99e), and ennealiminal (72 & 171e).
See [[Ennealimmal extensions]] for a discussion on 11-limit extensions.


== Interval chain ==
== Interval chain ==
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| 147/80
| 147/80
|}
|}
* In 7-limit CWE tuning, octave reduced
<nowiki>*</nowiki> In 7-limit CWE tuning, octave reduced
 
== Ennealimmal extensions ==
Ennealimmal temperament has various extensions to the 11-limit. These are all members of the ennealimmal family, but in addition they are linear temperaments:
* Ennealimmal (99e &amp; 270) &ndash; tempering out 2401/2400, 4375/4374, 5632/5625
* Ennealimmia (171 &amp; 270) &ndash; tempering out 2401/2400, 4375/4374, 131072/130977
* Ennealimnic (72 &amp; 99e) &ndash; tempering out 243/242, 441/440, 4375/4356
* Ennealiminal (72 &amp; 171e) &ndash; tempering out 385/384, 1375/1372, 4375/4374


== Scales ==
== Scales ==
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[[Category:Ennealimmal| ]] <!-- main article -->
[[Category:Ennealimmal| ]] <!-- main article -->
[[Category:Rank-2 temperaments]]
[[Category:Rank-2 temperaments]]
[[Category:Microtemperaments]]
[[Category:Breedsmic temperaments]]
[[Category:Breedsmic temperaments]]
[[Category:Ragismic microtemperaments]]
[[Category:Ragismic microtemperaments]]
[[Category:Landscape microtemperaments]]
[[Category:Landscape microtemperaments]]

Latest revision as of 13:52, 28 May 2026

Ennealimmal
Subgroups 2.3.5.7
Comma basis 2401/2400, 4375/4374
Reduced mapping ⟨9; 2 3 2]
ET join 27 & 45
Generators (CWE) ~5/3 = 884.322 ¢
MOS scales 18L 9s, 27L 18s, 27L 45s
Ploidacot enneaploid dicot
Pergen (P8/9, P5/2)
Minimax error 9-odd-limit: 0.204 ¢;
7-limit 81-odd-limit: 0.408 ¢
Target scale size 9-odd-limit: 45 notes;
7-limit 81-odd-limit: 99 notes

Ennealimmal is a temperament with a period of 19 octave and tempers out 2401/2400 and 4375/4374. Edos that support ennealimmal include 27, 45, 72, 99, 171, 270, 441, and 612.

See Septiennealimmal clan #Ennealimmal for technical data.

Ennealimmal scales are built from a period (which is exactly 19 of an octave), and a generator (which is approximately 49 cents and represents several small intervals including 36/35). Depending on the size of the generator and the period in steps, the above listed edos make sense:

Period (steps) Generator (steps) Generator (cents)
(pure octave)
Edo
3 1 44.444 27
11 4 48.485 99
30 11 48.889 270
19 7 49.123 171
8 3 50.000 72
5 2 53.333 45

Ennealimmal extends less well to the 11-limit. Extensions include enneabiotic (99e & 270), ennealympic (171 & 270), ennealimnic (72 & 99e), and ennealiminal (72 & 171e).

See Ennealimmal extensions for a discussion on 11-limit extensions.

Interval chain

In the following table, odd harmonics 1–9 are labeled in bold.

Period Generator 0 Generator 1 Generator 2 Generator 3
Cents* Approx. ratios Cents* Approx. ratios Cents* Approx. ratios Cents* Approx. ratios
0 0.000 1/1
1 133.333 27/25 84.322 21/20 35.310 49/48, 50/49 1186.298 125/63
2 266.667 7/6 217.655 245/216 168.643 54/49 119.631 15/14
3 400.000 63/50 350.988 49/40, 60/49 301.976 25/21 252.965 81/70, 125/108
4 533.333 49/36 484.322 250/189 435.310 9/7 386.298 5/4
5 666.667 72/49 617.655 10/7 568.643 25/18 519.631 27/20
6 800.000 100/63 750.988 54/35 701.976 3/2 652.965 35/24
7 933.333 12/7 884.322 5/3 835.310 81/50 786.298 63/40
8 1066.667 50/27 1017.655 9/5 968.643 7/4 919.631 245/144
9 1200.000 2/1 1150.988 35/18 1101.976 189/100 1052.965 147/80

* In 7-limit CWE tuning, octave reduced

Scales

Music

Gene Ward Smith