[Amps] Audio BW -- Please just let us operate!!

Bill Fuqua wlfuqu00 at uky.edu
Fri Aug 27 16:13:04 EDT 2004


At 01:03 PM 8/27/2004 -0700, Vic Rosenthal wrote:
>Normal AM and SSB are ways of modulating RF directly from an audio 
>signal.  Adding a digital encoding step (and corresponding decoding in the 
>rx) allows us to use what we know about voice signals and how they are 
>perceived by the brain to selectively remove information from the signal 
>to reduce bandwidth without damaging (perceived) fidelity.


And keep our QSO's all to our selves leaving out the hams in 3/4 of the 
world that can't afford the technology.

73
Bill wa4lav





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