18/13: Difference between revisions
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{{Infobox Interval | {{Infobox Interval | ||
| Name = tridecimal augmented fourth, low tritone | |||
| Name = tridecimal augmented fourth, | |||
| Color name = 3u4, thu 4th | | Color name = 3u4, thu 4th | ||
| Sound = jid_18_13_pluck_adu_dr220.mp3 | | Sound = jid_18_13_pluck_adu_dr220.mp3 | ||
}} | }} | ||
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The low tritone in [[17edo]] approximates 18/13 quite well, while 17edo's approximations of [[13/8]] and [[9/8]] are both a little sharp. The inversion of 18/13 is [[13/9]], a high tritone measuring about 636.6¢; the interval between these two tridecimal (13-based) tritones is [[169/162]], approximately 73.2¢. | The low tritone in [[17edo]] approximates 18/13 quite well, while 17edo's approximations of [[13/8]] and [[9/8]] are both a little sharp. The inversion of 18/13 is [[13/9]], a high tritone measuring about 636.6¢; the interval between these two tridecimal (13-based) tritones is [[169/162]], approximately 73.2¢. | ||
== Approximation == | |||
{{Interval edo approximation|18/13}} | |||
== See also == | == See also == | ||
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* [[Gallery of just intervals]] | * [[Gallery of just intervals]] | ||
[[Category:Tritone]] | [[Category:Tritone]] | ||