28/15: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Ratio = 28/15 | | Ratio = 28/15 | ||
| Monzo = 2 -1 -1 1 | | Monzo = 2 -1 -1 1 | ||
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}} | }} | ||
'''28/15''' is a [[7-limit]] just interval of about 1080.6 [[cent]]s. It is well approximated by [[10edo]] (9\10). | '''28/15''' is a [[7-limit]] [[just intonation]] interval of about 1080.6 [[cent]]s. It is well approximated by [[10edo]] (9\10). | ||
== Terminology == | == Terminology == | ||
Despite being approximated by the major seventh in systems like [[septimal meantone]], and even being called the '''septimal grave major seventh''' by some musicians, 28/15 is a diminished octave in just intonation notation systems such as [[Sagittal notation]], [[Helmholtz-Ellis notation]] and [[Functional Just System]], viewed as the | Despite being approximated by the major seventh in systems like [[septimal meantone]], and even being called the '''septimal grave major seventh''' by some musicians, 28/15 is a diminished octave in just intonation notation systems such as [[Sagittal notation]], [[Helmholtz-Ellis notation]] and the [[Functional Just System]], viewed as the Pythagorean diminished octave ([[4096/2187]]) altered by [[5120/5103]]. | ||
== See also == | == See also == | ||
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[[Category:7-limit]] | [[Category:7-limit]] | ||
[[Category: | [[Category:Seventh]] | ||
[[Category: | [[Category:Major seventh]] | ||
[[Category:Octave]] | [[Category:Octave]] | ||
[[Category:Diminished octave]] | [[Category:Diminished octave]] | ||