38/21: Difference between revisions

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{{Infobox Interval
{{Infobox Interval
| Name = undevicesimal supraminor seventh, minor neutral undevicesimal seventh
| Name = hendrix minor seventh, undevicesimal supraminor seventh, undevicesimal subneutral seventh
| Color name = 19or7, noru 7th
| Color name = 19or7, noru 7th
| Sound = ji-38-21-csound-foscil-220hz.mp3
| Sound = ji-38-21-csound-foscil-220hz.mp3
}}
}}


In [[19-limit]] [[just intonation]], '''38/21''' is the '''undevicesimal supraminor seventh''' or '''minor neutral undevicesimal seventh'''.
In [[19-limit]] [[just intonation]], '''38/21''' is the '''hendrix minor seventh''', also known as the '''undevicesimal supraminor seventh''' or '''undevicesimal subneutral seventh'''. It exceeds the [[16/9|Pythagorean minor seventh (16/9)]] by a [[57/56|hendrix comma (57/56)]].  


== See also ==
== See also ==
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[[Category:Neutral seventh]]
[[Category:Neutral seventh]]
[[Category:Equable heptatonic]]
[[Category:Equable heptatonic]]
[[Category:Hendrix]]

Latest revision as of 07:56, 4 January 2024

Interval information
Ratio 38/21
Factorization 2 × 3-1 × 7-1 × 19
Monzo [1 -1 0 -1 0 0 0 1
Size in cents 1026.732¢
Names hendrix minor seventh,
undevicesimal supraminor seventh,
undevicesimal subneutral seventh
Color name 19or7, noru 7th
FJS name [math]\displaystyle{ \text{m7}^{19}_{7} }[/math]
Special properties reduced
Tenney height (log2 nd) 9.64024
Weil height (log2 max(n, d)) 10.4959
Wilson height (sopfr(nd)) 31

[sound info]
Open this interval in xen-calc

In 19-limit just intonation, 38/21 is the hendrix minor seventh, also known as the undevicesimal supraminor seventh or undevicesimal subneutral seventh. It exceeds the Pythagorean minor seventh (16/9) by a hendrix comma (57/56).

See also