31/30: Difference between revisions

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 {{Infobox Interval
-| Icon =
+| Name = large tricesimoprimal quartertone
-| Ratio = 31/30
+| Color name = 31og1, thiwogu unison
-| Monzo = -1 -1 -1 0 0 0 0 0 0 0 1
-| Cents = 56.76686
-| Name = 31-limit greater quartertone
-| Color name =
 | Sound = Ji-31-30-csound-foscil-220hz.mp3
 }}
+'''31/30''' is the '''large tricesimoprimal quartertone''' measuring about 57{{cent}}. It differs from [[33/32]], the undecimal quartertone, by [[496/495]] (approx. 3.49{{cent}}). It differs from [[32/31]], another tricesimoprimal quartertone, by [[961/960]] (approx. 1.80{{cent}}); they together make [[16/15]].
+This interval is the 31st-partial chroma (31-limit formal comma) in [[Ben Johnston's notation]], denoted simply with the number "31", while its reciprocal is denoted as <span style="display: inline-block; transform: rotate(180deg)">31</span> (a turned 31). If the base note is C, then 31/16 is represented by C–B31.
 == See also ==
 * [[Gallery of just intervals]]
-* [[32/31]]
-* [[16/15]]
-[[Category:31-limit]]
-[[Category:Interval ratio]]
 [[Category:Quartertone]]
-[[Category:Superparticular]]
-[[Category:Listen]]
-[[Category:Todo:expand]]
-[[Category:Todo:add color name]]