19683/16384: Difference between revisions

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m Changed "classic major third" to classic minor third for 6/5 approximation
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The '''Pythagorean augmented 2nd''', '''19683/16384''', may be reached by stacking 9 3/2's and octave reducing. It differs from the classic major third, [[6/5]], by the [[schisma]], and, as a result, the Pythagorean augmented second is in fact rather consonant.  According to [[User:Aura|Aura]], while 19683/16384 may take the place of the classic minor third in chords, its status as a augmented second means that it has a different function in terms of voice-leading. If it is tempered out, you set the fifth to 5/9 and divide the octave into 9 parts, although only 9edo does this in it's patent val. If it is used as a generator, it produces [[Hanson]].
The '''Pythagorean augmented 2nd''', '''19683/16384''', may be reached by stacking 9 3/2's and octave reducing. It differs from the classic minor third, [[6/5]], by the [[schisma]], and, as a result, the Pythagorean augmented second is in fact rather consonant.  According to [[User:Aura|Aura]], while 19683/16384 may take the place of the classic minor third in chords, its status as a augmented second means that it has a different function in terms of voice-leading. If it is tempered out, you set the fifth to 5/9 and divide the octave into 9 parts, although only 9edo does this in it's patent val. If it is used as a generator, it produces [[Hanson]].


== See also ==
== See also ==

Revision as of 02:49, 4 February 2024

Interval information
Ratio 19683/16384
Factorization 2-14 × 39
Monzo [-14 9
Size in cents 317.595¢
Name Pythagorean augmented second
Color name lw2, Lawa 2nd
FJS name [math]\displaystyle{ \text{A2} }[/math]
Special properties reduced,
reduced harmonic
Tenney norm (log2 nd) 28.2647
Weil norm (log2 max(n, d)) 28.5293
Wilson norm (sopfr(nd)) 55
Open this interval in xen-calc

The Pythagorean augmented 2nd, 19683/16384, may be reached by stacking 9 3/2's and octave reducing. It differs from the classic minor third, 6/5, by the schisma, and, as a result, the Pythagorean augmented second is in fact rather consonant. According to Aura, while 19683/16384 may take the place of the classic minor third in chords, its status as a augmented second means that it has a different function in terms of voice-leading. If it is tempered out, you set the fifth to 5/9 and divide the octave into 9 parts, although only 9edo does this in it's patent val. If it is used as a generator, it produces Hanson.

See also