Neutral second: Difference between revisions

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== In just intonation ==
== In just intonation ==
=== By prime limit ===
=== By prime limit ===
The [[3-limit]] and 5-limit do not have simple neutral seconds, so we start with the 7-limit:
The [[3-limit]] does not have a simple neutral second, so we start with the 5-limit:


* The 7-limit '''septimal neutral second'''  
* The 5-limit '''acute minor second''' or '''large limma''' is a ratio of [[27/25]], and is about 133 cents.
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* The 7-limit '''septimal neutral second''' is a ratio of [[35/32]], and is about 155 cents.
* The 11-limit '''(undecimal) neutral/submajor seconds''' are the ratios of [[12/11]] and [[11/10]], which are about 151 cents and 165 cents, respectively; 11/10 in particular can also be analyzed as a [[major second]]. Despite that, it is also here for completeness.
* The 13-limit '''(tridecimal) neutral/supraminor seconds''' are the ratios of [[14/13]] and [[13/12]], which are about 128 cents and 139 cents, respectively; 14/13 in particular can also be analyzed as a [[semitone]]. Despite that, it is also here for completeness.


== In moment-of-symmetry scales ==
== In moment-of-symmetry scales ==