... kHz.
1
We arbitrarily define the 20% guard band as a percentage of half the
sampling rate
actually used, not as 20% of the desired 20 kHz
bandwidth
which would call for a 48 kHz
sampling
rate.
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
... bound
2
Thanks to Magnus Lundin for contributing this formulation, which sharpens the bound derived in [#!SmithAndGossett84!#].
. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .