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Interesting comments Robert, but I still think standard stereo FM with 19 kHz
pilot would be too wide for NTSC TV. Also, the TV standard as defined allows
for some extra audio channels, somewhat different from the SCA scheme.
Regarding the need for extra mikes, that certainly makes sense, but I do know
a number of radio stations that don't bother with extra mikes: the music is
in stereo but as soon as the announcer gets on the air, it is obvious that
the studio has a single mike!
By the way, we still have NTSC TV here in Canada (officially until Aug. 31, 2011),
and all the stations I know do send the stereo pilot. Is their audio actually in
stereo? I would not say I care much, especially when watching an older single
speaker TV set! Regards.
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