[opendtv] Re: HD DVR for the antenna crowd

  • From: Ron Economos <w6rz@xxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Fri, 11 Jan 2008 11:23:35 -0800

HD DVD and Blue-ray also use H.264 and VC-1 video. H.264 has a lossless
mode, but not at a bitrate that would fit on either blue laser format.


John Willkie wrote:

Uncompressed hd is 1.5 gb/sec.  DVDs and HD-DVDs and BluRay are all MPEG-2
video, which by definition is compressed video.

Actually, "by definition" is a bit strong.  I have never seen any mechanism
in the MPEG-2 specification and annexes that would permit transmission of
uncompressed audio or video.  I'm only making the assumption that "no
mechanism" means "only compressed audio and video."

John Willkie

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