Millioctave: Difference between revisions

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The '''millioctave''' ('''mO''') is a logarithmic [[Interval_size_measure|interval size measure]]. which divides the octave (2/1) into 1000 logarithmically equal parts. Its independence from the "classical"/"standard" [[12edo|12edo]] tuning, and its similarity to other metric/[http://en.wikipedia.org/wiki/International_System_of_Units SI] units, have led some microtonalists to prefer it over similar measures such as [[cents|cents]]. However, others note that it naturally favors [[10edo|10edo]] and its multiples, just as cents favor 12edo and its multiples.
The '''millioctave''' ('''mO''') is a logarithmic [[interval size measure]]. which divides the octave (2/1) into 1000 logarithmically equal parts. Its independence from the "classical"/"standard" [[12edo]] tuning, and its similarity to other metric/[http://en.wikipedia.org/wiki/International_System_of_Units SI] units, have led some microtonalists to prefer it over similar measures such as [[cents]]. However, others note that it naturally favors [[10edo]] and its multiples, just as cents favor 12edo and its multiples.


When comparing the approximations of [[just_intervals|just intervals]] between different systems, mO values can be used equally well as [[cent|cent]] values. Also the absolute size of [[Comma|comma]]s can be given in millioctave steps.
When comparing the approximations of [[just interval]]s between different systems, mO values can be used equally well as [[cent]] values. Also the absolute size of [[comma]]s can be given in millioctave steps.


1 millioctave may be defined as a frequency ratio of the 1000th root of 2, or 2^0.001.
1 millioctave may be defined as a frequency ratio of the 1000th root of 2, or 2^0.001.
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1 mO is equal to exactly 1.2 cents. Conversely, 1 cent is equal to exactly 5/6 or ~0.8333 mO.
1 mO is equal to exactly 1.2 cents. Conversely, 1 cent is equal to exactly 5/6 or ~0.8333 mO.


==Links==
== External links ==
[http://en.wikipedia.org/wiki/Millioctave http://en.wikipedia.org/wiki/Millioctave]


Other [[Interval_size_measure|interval size measure]]s
* [http://en.wikipedia.org/wiki/Millioctave http://en.wikipedia.org/wiki/Millioctave]
[[Category:absolute_measure]]
 
[[Category:interval]]
[[Category:Absolute measure]]
[[Category:interval_measure]]
[[Category:Interval size measure]]
[[Category:logarithmic_measure]]
[[Category:Logarithmic measure]]
[[Category:measure]]
[[Category:Measure]]