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{{Infobox ET}} | {{Infobox ET}} | ||
{{ | {{ED intro}} | ||
== Theory == | |||
7ed4 is the result of taking every other step of [[7edo]]. As the step size of 7ed4 is less than 5c flat of the undecimal neutral third [[11/9]], 7ed4 also roughly matches a stack of neutral thirds. | |||
== Intervals == | |||
{| class="wikitable mw-collapsible" | |||
|+ | |||
!Step | |||
!Interval (¢) | |||
!JI approximated | |||
!Simplified ratio | |||
|- | |||
|1 | |||
|342.86 | |||
|78/64 | |||
|39/32 | |||
|- | |||
|2 | |||
|685.71 | |||
|6/4 | |||
|3/2 | |||
|- | |||
|3 | |||
|1028.57 | |||
|29/16 | |||
| | |||
|- | |||
|4 | |||
|1371.43 | |||
|64/29 | |||
| | |||
|- | |||
|5 | |||
|1714.29 | |||
|16/6, 35/13 | |||
|8/3 | |||
|- | |||
|6 | |||
|2057.14 | |||
|13/4 | |||
| | |||
|- | |||
|7 | |||
|2400.00 | |||
|4/1 | |||
| | |||
|} | |||
The [[subgroup]] interpretation used is 4.6.13.29.35. Other interpretations are possible. | |||
== Harmonics == | |||
{{Harmonics in equal | |||
| steps = 7 | |||
| num = 4 | |||
| denom = 1 | |||
}} | |||
{{Harmonics in equal | |||
| steps = 7 | |||
| num = 4 | |||
| denom = 1 | |||
| start = 12 | |||
| collapsed = 1 | |||
}} | |||
{{stub}} | |||