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Andy Daniëls3 SWMA ICT03
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• Introduction• History• Technical Comparison• Companies• Security• Why Blu-ray is On the Rise?• Television: HD vs. Standard• Conclusion• Questions?• Discussion
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High-definition (HD) television and HD optical discs entered the market
Two HD formats have appeared in the DVD market, both claiming to be the rightful successor to the DVD throne: Blu-ray (developed by Sony/Phillips) HD DVD (developed by Toshiba)
Measured by performance the two technologies are the same, except that Blu-ray has larger capacity (66%).
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Before HD, IBM introduced a standard DVD format avoid a format war, but the outcome favored Toshiba regarding royalties, leaving Sony unhappy
In response, Sony began developing the next generation of high-definition optical media (Blu-Ray) Toshiba followed immediately with its own HD technology
(HD DVD) While there were many “peace talks”, neither party
reached agreement THE FORMAT WAR
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Most performance features of these two technologies are the same
Blu-ray storage capacity is more practical for HD movies One high-definition movie (~20GB) fits on just one Blu-
ray layer (25GB); while HD DVD requires two layers (2x 15GB)
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Both formats have support from various large companies, Blu-ray has greater support from content providers that are critical to achieving a network effect
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Advanced Access Content System (AACS):• AACS is the copy protection scheme used by
both HD DVD & Blu-ray. It took years to develop, but it was hacked in a few weeks.
Blu-ray:• Offers coating to prevent scratching• Secure encryption system -- a unique ID that protects
against video and copyright piracy
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Availability of Hardware Blu-ray (with PS3) : HD DVD = 5 : 1 Blu-ray sales up 700% since the launch
of PS3 and other players
Availability of Content 19 of the “Top 20” DVDs in 2007 were
released by studios supporting Blu-ray
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TV remains the Limiting Factor for the time being• High-definition provides far superior resolution,
so without HD televisions the improvement in quality will go unnoticed.
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Blu-ray is positioned to win the format war because Stronger sales in the US and Japan Blu-ray has greater support Blu-ray has better copy protection PS3 integrated Blu-ray players Larger capacity of 25GB (vs 15GB)
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When buying a Blu-Ray you need a HD TV to benefit from the quality difference, would you invest in a new TV?
Will Blu-Ray become the new standard? Or will people wait for the next generation because Blu-Ray is too expensive?
If you had to choose between Xbox 360 or PS3, which one would you choose?