209edt: Difference between revisions
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{{ED intro}} | {{ED intro}} | ||
Since 209 factors into {{factorization|209}}, 209edt has [[11edt]] and [[19edt]] as subsets; it inherits its mapping of the 11th harmonic from the former and the 17th from the latter. It otherwise represents a very strong system in the [[19-limit]] (even including prime 2), being the sum of [[78edt]] which has a flat tendency in the 19-limit and [[131edt]] which has a slight sharp tendency. Its most accurate simple intervals are [[7/5]], [[11/5]], and [[17/9]], all of which it approximates to within about 0.1 cents. | Since 209 factors into {{factorization|209}}, 209edt has [[11edt]] and [[19edt]] as subsets; it inherits its mapping of the 11th harmonic from the former and the 17th (along with the octave, corresponding to 19edt being a close octave stretch of [[12edo]]) from the latter. It otherwise represents a very strong system in the [[19-limit]] (even including prime 2), being the sum of [[78edt]] which has a flat tendency in the 19-limit and [[131edt]] which has a slight sharp tendency. Its most accurate simple intervals are [[7/5]], [[11/5]], and [[17/9]], all of which it approximates to within about 0.1 cents. | ||
== Intervals == | == Intervals == | ||