# 毫八度

（重定向自Millioctave）

${\displaystyle n=1000\log _{2}\left({\frac {a}{b}}\right)\approx 3322\log _{10}\left({\frac {a}{b}}\right)}$

${\displaystyle a=b\times 2^{\frac {n}{1000}}}$

## 注释

1. ^ Airy, George Biddell. On Sound and Atmospheric Vibrations with the Mathematical Elements of Music. London: Macmillan & Co. 1871: 222. We are permitted by Sir John Herschel to explain a system proposed by him... It consists in using such a modulus that the logarithm of 2 is 1000.
2. ^ Huygens-Fokker Foundation. Logarithmic Interval Measures. [2007-06-13]. （原始内容存档于2007-02-14）.