User:BudjarnLambeth/Ed13/4: Difference between revisions

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Created page with "The '''equal division of 13/4''' ('''ed13/4''') is a tuning obtained by dividing the tridecimal neutral thirteenth (13/4) into a number of equal steps. == P..."
 
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== Properties ==
== Properties ==
Division of 13/4 into equal parts does not necessarily imply directly using this interval as an [[equivalence]]. Many, though not all, ed13/4 scales have a perceptually important false octave, with various degrees of accuracy.
Division of 13/4 into equal parts does not necessarily imply directly using this interval as an [[equivalence]]. Many, though not all, ed13/4 scales have a perceptually important [[Pseudo-octave|false octave]], with various degrees of accuracy.


Equivalence aside, the structural significance of thirteenths like 13/4 is apparent by being the the top of the upper structure of jazz voicings, as well as a fairly trivial point to split the difference between the [[3/1|tritave]] and the [[4/1|double octave]].
Equivalence aside, the structural significance of thirteenths like 13/4 is apparent by being the the top of the upper structure of jazz voicings, as well as a fairly trivial point to split the difference between the [[3/1|tritave]] and the [[4/1|double octave]].