101ed7: Difference between revisions

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{{ED intro}}
{{ED intro}}


101ed7 is related to [[36edo]] (sixth-tone tuning), but with the 7/1 rather than the 2/1 being just. The octave is stretched by about 1.2347 [[cent]]s. It tempers out the [[syntonic comma]] and is consistent to the 8-[[integer-limit]].
== Theory ==
101ed7 is closely related to [[36edo]] (sixth-tone tuning), but with the 7th harmonic rather than the [[2/1|octave]] being just. The octave is stretched by about 1.23 [[cent]]s. Like 36edo, 101ed7 is [[consistent]] to the [[integer limit|8-integer-limit]].  


Lookalikes: [[21edf]], [[36edo]], [[57edt]], [[93ed6]], [[129ed12]]
Compared to 36edo, 101ed7's harmonics are almost exactly the same, but it has a slightly better [[3/1]], [[7/1]], and [[13/1]], and a slightly worse 2/1 and [[5/1]] versus 36edo. Overall this means 36edo is still better in the [[5-limit]], but 101ed7 is better in the [[13-limit]]. (The [[7-limit]] and [[11-limit]] could go either way.)
 
36edo's 5-limit dominance flips on its head, though, if one approaches it as a [[dual-n|dual-5]] tuning. In that case, the fact that 101ed7's 5/1 is closer to 50% relative error is actually a ''good'' thing, because it means the error on the worse of the two 5/1's is less. So as a single-5 5-limit tuning, 36edo is better. But as a dual-5 5-limit tuning, 101ed7 is better, and as a dual-5, dual-11 [[31-limit]] tuning, 101ed7 is exceptional for its size. It is very accurate.
 
=== Harmonics ===
{{Harmonics in equal|101|7|1|intervals=integer|columns=11}}
{{Harmonics in equal|101|7|1|intervals=integer|columns=12|start=12|collapsed=true|title=Approximation of harmonics in 101ed7 (continued)}}


== Intervals ==
== Intervals ==
{{Interval table}}
{{Interval table}}


== Harmonics ==
== See also ==
Compared to 36edo, 101ed7’s harmonics are almost exactly the same, but it has a slightly better 3/1, 7/1, and 13/1, and a slightly worse 2/1 and 5/1 versus 36edo.
* [[21edf]] – relative edf
 
* [[36edo]] – relative edo
Overall this means 36edo is still better in the [[5-limit]], but 101ed7 is better in the [[13-limit]]. (The [[7-limit]] and [[11-limit]] could go either way.)
* [[57edt]] – relative edt
 
* [[93ed6]] relative ed6
36edo’s 5-limit dominance flips on its head, though, if one approaches it as a [[dual-n|dual-5]] tuning. In that case, the fact that 101ed7’s 5/1 is closer to 50% relative error is actually a ''good'' thing, because it means the error on the worse of the two 5/1s is less.
* [[129ed12]] – relative ed12
 
So as a single-5 5-limit tuning, 36edo is better. But as a dual-5 5-limit tuning, 101ed7 is better.
 
And as a dual-5, dual-11 [[31-limit]] tuning, 101ed7 is exceptional for its size. It is very accurate.
{{Harmonics in equal|101|7|1|intervals=prime|columns=12}}
 
 
36edo for comparsion:
{{Harmonics in equal|36|2|1|intervals=prime|columns=12}}


{{todo|expand}}
[[Category:Edonoi]]
[[Category:36edo]]
[[Category:36edo]]