33/25: Difference between revisions

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 {{Infobox Interval
-| Icon =
+| Name = ptolemismic fourth, 5edo-esque fourth
-| Ratio = 33/25
+| Color name = 1ogg4, logugu 4th
-| Monzo = 0 1 -2 0 1
-| Cents = 480.645516
-| Name = undecimal sub forth
 | Sound = jid_33_25_pluck_adu_dr220.mp3
 }}
+'''33/25''', the '''ptolemismic fourth''' or the '''5edo-esque fourth''', is an [[11-limit]] interval. It is flat of [[4/3]], the perfect fourth, by [[100/99]], the ptolemisma, hence the name. It is also sharp of [[21/16]], the subfourth, by [[176/175]], the valinorsma. Being [[11/8]] diminished by [[25/24]], it is technically a semidiminished fourth aka paraminor fourth.
-todo:
+== Approximation ==
-* expand article (edos, context links)
+Measuring about 480.6{{cent}}, 33/25 is very well approximated by [[5edo]] and its supersets.
-* check if name is correct
-Inverse: [[50/33|50/33]]
+== See also ==
+* [[50/33]] – its [[octave complement]]
+* [[25/22]] – its [[fifth complement]]
+* [[Gallery of just intervals]]
+* [[:File:Ji-33-25-csound-foscil-220hz.mp3]] – another sound example
-[[Category:11-limit]]
+[[Category:Fourth]]
-[[Category:fourth]]
+[[Category:Subfourth]]
-[[Category:interval]]
+[[Category:Ptolemismic]]
-[[Category:todo:expand]]
-[[Category:undecimal]]