[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.
Ron
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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