[89698] in North American Network Operators' Group
Re: AT&T: 15 Mbps Internet connections "irrelevant"
daemon@ATHENA.MIT.EDU (Simon Lockhart)
Sat Apr 1 15:59:05 2006
Date: Sat, 1 Apr 2006 21:58:34 +0100
From: Simon Lockhart <simon@slimey.org>
To: "Edward B. DREGER" <eddy+public+spam@noc.everquick.net>
Cc: nanog@nanog.org
In-Reply-To: <Pine.LNX.4.62.0604011930140.3928@pop.ict1.everquick.net>
Errors-To: owner-nanog@merit.edu
On Sat Apr 01, 2006 at 08:43:54PM +0000, Edward B. DREGER wrote:
> I'm curious how program content is currently stored. (Note that I'm
> totally ignoring live broadcast.) If MPEG-2, I'd guess conversion to
> MPEG-4 might produce less-than-desirable image quality.
Whilst MPEG-2 for broadcast purposes will be in the 3-5Mbps range, MPEG-2
for archival/storage will be at a significantly higher bitrate. If you're
storing at high bitrate MPEG-2, the transcoding to MPEG-4 will have much
better results than if you transcoded from broadcast quality MPEG-2.
Simon
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