03-09-2004
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#1 (permalink)
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| CDFreaks Resident
Join Date: May 2002 Location: Near Seoul, South Korea
Posts: 12,363
| Blu-ray Disc To Support MPEG-4, VC-1 Got it here. http://www.storageinfo.net/en/viewtopic.php?t=798
PC World: http://www.pcworld.com/resource/prin...,117681,00.asp Quote:
Blu-ray Disc To Support MPEG-4, VC-1
Blue-laser disc format's standard adopts new video codecs.
Martyn Williams, IDG News Service
Thursday, September 02, 2004
The Blu-ray Disc Association has added the MPEG-4 AVC and VC-1 video codecs to its specification for prerecorded Blu-ray Disc media, it says this week.
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"There are other advantages to having two compression techniques," Doherty says. "Moving forward, the technologies can have competition to help drive down licensing fees and improve picture quality." HD-DVD (High Definition/High Density-DVD), the main competitor to Blu-ray Disc, has already made the two codecs part of its standard for prerecorded discs. In June companies supporting HD-DVD trumpeted this as one of its advantages over Blu-ray Disc.
"With this adoption, all that [advantage] is gone," says Doherty.
Adoption of the advanced codecs in future versions of the BD-RE rewritable format depends as much on technology as standardization talks, says Doherty. High-definition broadcasting in Japan and the U.S. uses the MPEG2 format, and current recorders put this broadcast data stream directly onto the disc. Using one of the two new codecs would mean real-time hardware transcoding, and that's too difficult to do in a consumer-level machine at present, he says.
| A smart move forward.
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