12/1: Difference between revisions

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'''12/1''', the '''12th harmonic''' or '''duodecuple''', is the [[harmonic]] past [[11/1]] and before [[13/1]]. It is three [[octave]]s above [[3/2]]. Since 12 is a {{w|highly composite number}}, this harmonic can be approached in various ways of stacking, all the components being [[Pythagorean tuning|Pythagorean]] intervals. For example, stacking with octaves, [[3/2|fifth]]s and [[4/3|fourth]]s gives a [[consonant]] but simplistic skeleton across multiple registers: 1-2-3-4-6-12, on which [[harmonic limit|higher-limit]] intervals can be added to enrich its colors.  
'''12/1''', the '''12th harmonic''' or '''duodecuple''', is the [[harmonic]] past [[11/1]] and before [[13/1]]. It is three [[octave]]s above [[3/2]]. Since 12 is a [[highly composite number]], this harmonic can be approached in various ways of stacking, all the components being [[Pythagorean tuning|Pythagorean]] intervals. For example, stacking with octaves, [[3/2|fifth]]s and [[4/3|fourth]]s gives a [[consonant]] but simplistic skeleton across multiple registers: 1–2–3–4–6–12, on which [[harmonic limit|higher-limit]] intervals can be added to enrich its colors.  


== See also ==
== See also ==
* [[Gallery of just intervals]]
* [[Gallery of just intervals]]
* [[Ed12]]
* [[Ed12]]

Latest revision as of 10:59, 2 April 2025

Interval information
Ratio 12/1
Factorization 22 × 3
Monzo [2 1
Size in cents 4301.955¢
Names 12th harmonic,
duodecuple
Color name c3w5, tricowa 5th
FJS name [math]\displaystyle{ \text{P26} }[/math]
Special properties harmonic,
highly composite harmonic
Tenney height (log2 nd) 3.58496
Weil height (log2 max(n, d)) 7.16993
Wilson height (sopfr(nd)) 7

[sound info]
Open this interval in xen-calc

12/1, the 12th harmonic or duodecuple, is the harmonic past 11/1 and before 13/1. It is three octaves above 3/2. Since 12 is a highly composite number, this harmonic can be approached in various ways of stacking, all the components being Pythagorean intervals. For example, stacking with octaves, fifths and fourths gives a consonant but simplistic skeleton across multiple registers: 1–2–3–4–6–12, on which higher-limit intervals can be added to enrich its colors.

See also