4/1: Difference between revisions
Expand |
Note compositeness |
||
| (2 intermediate revisions by 2 users not shown) | |||
| Line 1: | Line 1: | ||
{{Infobox Interval | {{Infobox Interval | ||
| Name = 4th harmonic, double octave, fifteenth, tetrave | | Name = 4th harmonic, double octave, perfect fifteenth, tetrave, quadruple | ||
| Color name = wa 15th | | Color name = wa 15th | ||
| Sound = jid_4_1_pluck_adu_dr110.mp3 | | Sound = jid_4_1_pluck_adu_dr110.mp3 | ||
| Line 6: | Line 6: | ||
{{Wikipedia| Fifteenth }} | {{Wikipedia| Fifteenth }} | ||
'''4/1''', the '''4th harmonic''', '''double octave''', '''fifteenth''', or ''' | '''4/1''', the '''4th harmonic''', '''double octave''', '''perfect fifteenth''', '''tetrave''' or '''quadruple''', is the [[harmonic]] past [[3/1]] and before [[5/1]]. It is the first composite harmonic, equal to a stack of two [[octave]]s: ([[2/1]])<sup>2</sup>. | ||
It | It can act as the [[interval of equivalence]] in temperaments that omit every other octave, such as [[meansquared]]. | ||
== See also == | == See also == | ||
* [[Ed4]] – equal divisions of the 4th harmonic | * [[Ed4]] – equal divisions of the 4th harmonic | ||
[[Category:Taxicab-2 intervals]] | |||