FTTH Active vs Passive
bhicks at ots.utsystem.edu
Tue Dec 1 13:06:26 CST 2009
These were the numbers presented at an Internet2 meeting about the 4k
testing happening between UCSD and UW. I'm not sure what compression
algorithm they were using for the test.
On Tue, Dec 1, 2009 at 12:58 PM, Chris Adams <cmadams at hiwaay.net> wrote:
> Once upon a time, Byron Hicks <bhicks at ots.utsystem.edu> said:
>> 4k video feeds (the new High Def):
>> compressed: 1Gb/s
> Current over-the-air HD (at a max of 1080i) is up to 19 megabits per
> second (and most don't run it that high). Most cable systems compress
> it more. 4k video is roughly 8 times the pixels than 1080i, but is
> typically going to be compressed with better algorithms (MPEG4 is
> roughly half the size of MPEG2), which would mean 4k video (at TV
> quality) would be around 100 megabits per second.
> Chris Adams <cmadams at hiwaay.net>
> Systems and Network Administrator - HiWAAY Internet Services
> I don't speak for anybody but myself - that's enough trouble.
Byron L. Hicks
University of Texas System
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