10/7: Difference between revisions
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{{Infobox Interval | |||
| Name = high tritone, greater septimal tritone, Euler's tritone | |||
| Color name = ry4, ruyo 4th | |||
| Sound = jid_10_7_pluck_adu_dr220.mp3 | |||
}} | |||
{{Wikipedia|Septimal tritone}} | |||
'''10/7''' | In [[7-limit]] [[just intonation]], '''10/7''' is a '''high [[tritone]]''' (or '''Euler's tritone''') measuring about 617.5¢. It has a similar sound to its inversion, [[7/5]], but may sound a little edgier, less relaxed. Nonetheless, it is considered a septimal consonance. It appears in chords where a major third ([[5/4]]) appears above the harmonic seventh ([[7/4]]), such as 4:6:7:10 – This particular chord is well-approximated in [[88cET]], which has a good approximation of 10/7, but no 7/5. It's well approximated by the Pythagorean augmented fourth [[729/512]], differing by [[5120/5103]]. | ||
While in the context of the [[harmonic seventh chord]], it is rightly recognized as a type of augmented fourth, it can also be argued on the basis of the fact that 10/7 interval is larger than 600 cents that it acts more as a type of diminished fifth than an augmented fourth – an analysis that is required in cases where this interval occurs in a [[5L 2s|diatonic scale]] that demonstrates [[Rothenberg propriety]]. | |||
== Approximation == | |||
{{Interval edo approximation|10/7}} | |||
== See also == | |||
* [[7/5]] – its [[octave complement]] | |||
* [[21/20]] – its [[fifth complement]] | |||
* [[Gallery of just intervals]] | |||
[[Category:Tritone]] | |||
[[Category:Over-7 intervals]] | |||
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