Fractional-octave temperaments: Difference between revisions

Eliora (talk | contribs)
don't think these examples are necessary as it kinda favors them
Eliora (talk | contribs)
i'll fill other data later, also moving silicon to The Jacobins
Line 79: Line 79:
* [[Tritrizo clan #Schisennealimmal|Schisennealimmal]] (1\171 period)
* [[Tritrizo clan #Schisennealimmal|Schisennealimmal]] (1\171 period)
* [[Tritrizo clan #Lunennealimmal|Lunennealimmal]] (1\441 period)
* [[Tritrizo clan #Lunennealimmal|Lunennealimmal]] (1\441 period)
== 14th-octave temperaments ==
While 14edo is poor in simple harmonics, some of its multiples (such as [[224edo]] and [[742edo]]) are members of zeta edo list.
=== Silicon ===
The name of silicon temperament comes from the 14th element. Defined upwards to the 13-limit. When tuned in 742edo, it is generated by a [[53edo]] fifth intermingled with [[14edo]] periods.
[[Subgroup]]: 2.3.5.7
[[Comma list]]: 14348907/14336000, 56358560858112/56296884765625
[[Mapping]]: [{{val| 14 0 -145 239 }}, {{val| 0 1 8 -9 }}]
Mapping generators: ~6125/5832, ~3
[[Optimal tuning]] ([[CTE]]): ~3/2 = 701.870
{{Val list|legend=1| 224, 518, 742, 966, 1708, 2674 }}
[[Badness]]: 0.196
==== 11-limit ====
Subgroup: 2.3.5.7.11
Comma list: 9801/9800, 1240029/1239040, 2359296/2358125
Mapping: [{{val| 14 0 -145 239 115 }}, {{val| 0 1 8 -9 -3 }}]
Optimal tuning (CTE): ~3/2 = 701.872
Optimal GPV sequence: {{val list| 224, 518, 742, 966, 1708, 4382e }}
Badness: 0.0450
==== 13-limit ====
Subgroup: 2.3.5.7.11.13
Comma list: 4096/4095, 6656/6655, 9801/9800, 24192/24167
Mapping: [{{val| 14 0 -145 239 115 74 }}, {{val| 0 1 8 -9 -3 -1 }}]
Optimal tuning (CTE): ~3/2 = 701.8733
Optimal GPV sequence: {{val list| 224, 518, 742, 966, 1708f }}
Badness: 0.0269




Line 218: Line 171:
Badness: 0.0345
Badness: 0.0345


== 61st-octave temperaments ==
=== Promethium ===
Promethium tempers out the [[dipromethia]] and can be described as the 183 & 2684 temperament. By tempering out 4100625/4100096 promethium identifies the diaschisma with [[2025/2002]] in the 13-limit and also in the 17-limit.
Subgroup: 2.3.5.7.11.13
Comma list: 10648/10647, 196625/196608, 4100625/4100096, 204800000/204788493
Mapping: [{{val|61 0 335 703 66 -161}}, {{val|0 2 -4 -11 3 8}}]
Mapping generators: ~2025/2002 = 1\61, ~6875/3969 = 950.970
Optimal tuning (CTE): ~11907/6875 = 950.970
==== 17-limit ====
Subgroup: 2.3.5.7.11.13.17
Comma list: 14400/14399, 37180/37179, 121875/121856, 140800/140777, 3536379/3536000
Mapping: [{{val|61 0 335 703 66 -161 201}}, {{val|0 2 -4 -11 3 8 1}}]
Mapping generators: ~2025/2002 = 1\61, ~11907/6875 = 950.970
Optimal tuning (CTE): ~11907/6875 = 950.970
== 65th-octave temperaments ==
== 65th-octave temperaments ==
[[65edo]] is accurate for harmonics 3, 5, and 11, so various 65th-octave temperaments actually make sense.
[[65edo]] is accurate for harmonics 3, 5, and 11, so various 65th-octave temperaments actually make sense.