4/1: Difference between revisions

Interval information
Ratio	4/1
Factorization	22
Monzo	[2⟩
Size in cents	2400¢
Names	4th harmonic,; double octave,; fifteenth,; tetrave
Color name	wa 15th
FJS name	[math]\displaystyle{ \text{P15} }[/math]
Special properties	harmonic,; highly composite harmonic
Tenney norm (log2 nd)	2
Weil norm (log2 max(n, d))	4
Wilson norm (sopfr(nd))	4
	https://en.xen.wiki/w/File:Jid_4_1_pluck_adu_dr110.mp3; [sound info]
	Open this interval in xen-calc

Revision as of 08:46, 18 October 2023

English Wikipedia has an article on:

Fifteenth

4/1 is the 4th harmonic, double octave, fifteenth, or the tetrave. It is equal to a stack of two octaves: (2/1)².

@@ Line 1: / Line 1: @@
 {{Infobox Interval
-| Name = 4th harmonic, tetrave, double octave
+| Name = 4th harmonic, double octave, fifteenth, tetrave
 | Color name = wa 15th
 | Sound = jid_4_1_pluck_adu_dr110.mp3
 }}
+{{Wikipedia| Fifteenth }}
-'''4/1''' is the 4th [[harmonic]], or the '''tetrave'''; two octaves: ([[2/1]])<sup>2</sup>.
+'''4/1''' is the '''4th harmonic''', '''double octave''', '''fifteenth''', or the '''tetrave'''. It is equal to a stack of two [[octave]]s: ([[2/1]])<sup>2</sup>.
 == See also ==
 * [[Ed4]] – Equal divisions of the 4th harmonic