Anders Heerfordt wrote:
> 
> consequently half an octave is a number which I cant work out in my head
> being half of double.
> <
> A half octave is bounded by two frequencies of which the higher is the lower
> times the square root of two.
> Regards,Anders
> 

Thanks, I actually knew what an octave was, but also couldn't do the
math to intuit a "half-octave".  In hindsight, the square root of two is
an obvious choice.  Now I understand how they can claim a dynamic range
of 155 dB.  If you make the bandwidth small enough, you can get big
numbers.

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