729/512: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Ratio = 729/512
| Name = (Pythagorean) tritone, Pythagorean augmented fourth, The Tyrant
| Monzo = -9 6
| Cents = 611.73001
| Name = Pythagorean tritone, <br>Pythagorean augmented fourth, <br>The Tyrant
| Color name = Lw4, lawa 4th
| Color name = Lw4, lawa 4th
| FJS name = A4
| Sound = Ji-729-512-csound-foscil-220hz.mp3
| Sound = Ji-729-512-csound-foscil-220hz.mp3
}}
}}
'''729/512''', the '''Pythagorean augmented fourth''', may be reached by stacking six perfect fifths ([[3/2]]), and [[octave reduction|reducing by three octaves]]. It is separated from the 5-limit interval of [[64/45]] by the schisma ([[32805/32768]]), less than 2{{cent}}.
'''729/512''', the '''Pythagorean augmented fourth''', may be reached by stacking six perfect fifths ([[3/2]]), and [[octave reduction|reducing by three octaves]]. While nowadays "tritone" more commonly refers to a broader range of intervals, in Medieval music theory, "tritone" referred more specifically to 729/512, as this is the interval reached by stacking three (Pythagorean whole) [[tone]]s ([[9/8]]). It is separated from the 5-limit interval of [[64/45]] by the schisma ([[32805/32768]]), less than 2{{cent}}.
 
From a literal point of view, this interval is the only one that rightly bears the name ''[[tritone]]'', because it is created by combining three [[tone]]s: <code>([[9/8]])<sup>3</sup></code>.


== See also ==
== See also ==
* [[Tritone]]
* [[1024/729]] – its [[octave complement]]
* [[1024/729]] – its [[octave complement]]
* [[256/243]] – its [[fifth complement]]
* [[256/243]] – its [[fifth complement]]
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* [[Gallery of just intervals]]
* [[Gallery of just intervals]]


[[Category:3-limit]]
[[Category:Tritone]]
[[Category:Tritone]]