[opendtv] Re: Time to give up on 1080i for football
- From: "John Shutt" <shuttj@xxxxxxxxx>
- To: <opendtv@xxxxxxxxxxxxx>
- Date: Tue, 8 Dec 2009 16:47:26 -0500
From the EBU:
http://tech.ebu.ch/docs/testmaterial/ibc09_10things_1080p50.pdf
What bit-rate is required for broadcasting with MPEG-4 H.264/AVC?
The DVB Project has incorporated 1080p/50 in its recommended distribution
compression formats, which may be used for future broadcasting. Perhaps
surprising at first, initial tests at the EBU have shown that 1080p/50 will
not require more bitrate than 1080i/25 for broadcasts, but naturally it will
show better picture quality on large displays. Ask an EBU Engineer for the
detail of the results. So, whilst production systems will require more
bit-rate than older HDTV formats, distribution should require the same
bit-rate as 1080i/25, and only about 15-20% more than 720p/50.
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