Audacity comma

Interval information

Ratio	8192000000000/7625597484987
Factorization	222 × 3-27 × 59
Monzo	[22 -27 9⟩
Size in cents	124.0384 ¢
Name	audacity comma
Color name	trisa-tritriyo 2nd, s3y92, trisa-tritriyo comma
FJS name	[math]\displaystyle{ \text{A2}^{5,5,5,5,5,5,5,5,5} }[/math]
Special properties	reduced
Tenney norm (log2 nd)	85.6913
Weil norm (log2 max(n, d))	85.7947
Wilson norm (sopfr(nd))	170
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The audacity comma is a large 5-limit comma about 124 cents wide. It is the amount by which a stack of nine 40/27's exceeds five octaves.

Temperaments

Tempering out this comma leads to the audacity temperament, which tempers 40/27 to exactly 5\9 (five steps of 9edo) and is supported by 27edo and 63edo.

Etymology

This comma was named by Tristan Bay in 2026.