Tuesday, May 3, 2005

Next Generation DVD battle

There are two groups of next generation DVD which are battling to win as standard for next generation DVD. One group with Sony and Philips as ones of its members is proposing Blu-Rays, another one while Toshiba and others is proposing HD-DVD. To summarize the differences between them, I put a table here:

HD-DVD
Standardization Body www.dvdforum.org
Key Hardware Supporters Toshiba, NEC, Sanyo
Key Hollywood Studio Backers Paramount, New Line, Universal, Time Warner
ROM Capacity 15 GB (SL), 30 GB (DL)
Laser Pickup Blue Laser
Numerical Aparture of Lens 0.65
Design Emphasis Download compatibility with existing DVD standard
CODEC MPEG-2, ITU H.264 (AVC), VC-1
Copy Protection Advanced Access Content System (AACS)
Interative Software Based on derivative of Microsoft's MSTV

Blu-Ray
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Standardization Body www.blu-raydisc.com
Key Hardware Supporters Sony, Hitachi, LG, Mitsubishi, Panasonic, Pioneer,
Philips, Samsung, Sharp, Thomson, Apple, Dell, HP
Key Hollywood Studio Backers Sony Pictures, Tri-Star, Disney, MGM
ROM Capacity 25 GB (SL), 50 GB (DL)
Numerical Aparture of Lens 0.85
Design Emphasis Larger Storage Capacity
CODEC MPEG-2, ITU H.264 (AVC), VC-1
Copy Protection Advanced Access Content System (AACS)
Interative Software Based on Java-based MHP/GEM

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