[opendtv] Re: Transition confusion

        The cable companies are encoding in 256 QAM to lower the bit
rate and pack more programs 
        into the same 6 mHz space so they can make more money. Period. 

Not quite. 256QAM itself does not require the bitrate be reduced. A 6MHz
256QAM channel carries 38mbit/sec, almost twice that of an ATSC channel.

The cable co desire to carry more than 'almost 2' HD programs in the
channel is what drives them to transcode, not the modulation.
 
gary
 
Gary Hughes
Video Architect, Advanced Engineering
Motorola On Demand Solutions, MA34
80 Central St.
Boxborough, MA  01719
Email: ghughes@xxxxxxxxxxxx
Office: 978 266 7269
Mobile: 978 339 3615

 


         

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