Delta: Difference between revisions

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 '''Delta''' may refer to:
-* [[delta-N]] terminology, which indicates the difference between the numerator and the denominator of a [[ratio]] (aka the degree of epimoricity).
-* a delta-d ratio (aka a [[Superpartient ratio|superpartient]] ratio or an epimeric ratio), a ratio that is greater than 1 and is not [[superparticular]].
-* the [[delta scale]], a [[nonoctave]] [[scale]].
-== See also ==
+== Theory ==
-* [[Delta-rational chord]]
+* Delta, the frequency difference represented by an interval relative to its root, used to classify [[rational interval]]s as [[delta-N ratio]]s
+* Delta, the frequency difference represented by an interval relative to other intervals of a chord, used to notate the [[delta signature]] of [[delta-rational chord]]s
+* δ (lowercase delta), a note name used in certain [[musical notation]] systems to designate a note near D, but having a different musical function<ref>[[Tonalsoft Encyclopedia]]. ''[http://www.tonalsoft.com/enc/d/delta.aspx Delta]''.</ref>
+== Scales ==
+* Delta scale, a mode of the [[Lambda]] scale in [[Bohlen-Pierce]] tuning
+* Delta scale, a scale equivalent to [[8ed16/15]]
+== References ==
+<references/>
 {{Disambiguation}}