[opendtv] Re: HD DVR for the antenna crowd

  • From: Ron Economos <w6rz@xxxxxxxxxxx>
  • To: opendtv@xxxxxxxxxxxxx
  • Date: Fri, 11 Jan 2008 20:19:44 -0800

There's a website for everything.


AVC 36.73%
MPEG-2 35.6%
VC-1 27.66%


AVC 10.14%
MPEG-2 3.19%
VC-1 86.67%


John Golitsis wrote:

More than that...they are almost never MPEG2. Sony's initial releases were MPEG2, but I believe they've switched since then. The majority of HD DVD titles are VC-1, with a small number being H.264.

On 11-Jan-08, at 2:23 PM, Ron Economos wrote:

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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