Re: HD transition questions they don't answer



Alan F wrote:

Verizon Fios uses QAM which is the standard digital cable format.
Nothing proprietary about it. The converter boxes that are eligible for
the $40 coupon are for ATSC (Advanced Television Standards Committee)
over the air digital TV broadcasts only. They are required to not
support QAM.

QAM is a modulation method only. Cable uses QAM modulated ATSC signals.
OTA uses 8VSB modulated ATSC signals. CECB boxes only support 8VSB modulated
ATSC signals.
.



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