19/17

Interval information

Ratio	19/17
Subgroup monzo	17.19 [-1 1⟩
Size in cents	192.5576¢
Name	quasi-meantone
Color name	19o17u2, nosu 2nd
FJS name	[math]\displaystyle{ \text{M2}^{19}_{17} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	8.33539
Weil norm (log2 max(n, d))	8.49586
Wilson norm (sopfr(nd))	36
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19/17 is the interval between 9/8 and 10/9, two common sizes of whole tone. In meantone systems, the two are conflated into one interval, which converges increasingly closely to a perfect 19/17 in successive steps of the golden meantone sequence. Two of them fall short of a perfect 5/4 by 1445/1444, or 1.1985 cents.

See also

• 34/19 its inverse interval
• Gallery of just intervals