"craigm" wrote in message
...
David Eduardo wrote:


A:B comparison of HD and a CD is nearly indistinguishable, but with
Analog
FM it shows coloring.

How about something more quantitative?

Radio listenening is based on perception, not statistics. S/n is only
important if the noise is audible... the big difference is the very
perceptable difference between preemphasized analog FM audio, vs.
non-preemphasized digital audio in the HD stream.