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什麼？你還没用上藍光？現實情况是，即使你用上了BD，也已經Out了。藍光協會(BDA)周六在美國宣布了兩款藍光碟片新標準，分别是大容量燒錄碟片BDXL，以及混合碟片IH-BD。BDXL（High Capacity Recordable and Rewritable discs，高容量可燒錄和可重複讀寫碟片）主要針對影視、醫療、檔案等需求超大容量長期儲存的企業、機構用户，其一次性燒錄碟片的容量为128GB，可重複讀寫碟片容量為100GB。實際上，BDXL就是三層或四層的藍光碟片，並使用了更高功率的雷射讀取頭，因此現有藍光播放器、BD-ROM、燒錄機都無法兼容BDXL格式。藍光協會還表示，未來預計會針對那些BD錄影機流行的市場推出民用版BDXL。IH-BD（Intra-Hybrid discs，內混合碟片）為雙層藍光碟片，其中一層是只可唯讀的BD-ROM，另一層為可重複讀寫BD-RE，兩層的容量各為25GB。這樣一來，用戶可以在不破壞原版數據的前提下，在光碟中存儲個人數據，為出版商提供一種新的發行模式。 不過，IH-BD同樣不支持現有藍光光碟機。 藍光協會表示，BDXL和IH-BD的最終標準規範都將在未來幾個月內確認公佈。 雖然無法兼容現有設備，但未來支援BDXL或IH-BD的藍光光碟機將能夠兼容25GB和50GB的傳統藍光碟片。
最後我們再來回顧一下藍光協會（BDA）的董事會成員企業名單（首字母順序）：蘋果、戴爾、惠普、日立、Intel、LG電子、三菱電機、甲骨文、松下、先鋒、飛利浦、三星電子、夏普、索尼、TDK、Technicolor、20世紀福克斯、迪斯尼影業和華納兄弟。
Blu-ray Disc Association Announces Additional Format Enhancements
LOS ANGELES --(Business Wire)-- Apr 03, 2010 The Blu-ray Disc Association (BDA) today announced two new media specifications that use Blu-ray Disc technology to provide targeted functionality for commercial and consumer applications. The specifications for BDXL™ (High Capacity Recordable and Rewritable discs) and IH-BD (Intra-Hybrid discs) are expected in the next few months.
The BDXL specification, which is targeted primarily at commercial segments such as broadcasting, medical and document imaging enterprises with significant archiving needs, will provide customers with write-once options on 100GB and 128GB capacity discs and rewritable capability on 100GB discs. The discs reach these capacities by incorporating three to four recordable layers. A consumer version of BDXL is also expected, particularly in those regions where BD recorders have achieved broad consumer acceptance.
"Professional industries have expressed a desire to find optical disc solutions that enable them to transition away from magnetic media for their archiving needs," said Victor Matsuda, Blu-ray Disc Association Global Promotions Committee chair. "Leveraging Blu-ray Disc to meet this need provides professional enterprises with a compact, stable and long term solution for archiving large amounts of sensitive data, video and graphic images using a proven and widely accepted optical technology."
The Intra-Hybrid Blu-ray Disc (IH-BD) incorporates a single BD-ROM layer and a single BD-RE layer so as to enable the user to view, but not overwrite, critical published data while providing the flexibility to include relevant personal data on the same physical disc. This allows for consumer specific applications where combining published content with related user data on a convenient, single volume is desirable. Both the ROM and the RE layers on IH-BD discs provide 25GB of capacity.
Because both BDXL and IH-BD are specially designed formats with specific market segments in mind, newly-designed hardware is required to play back or record BDXL or IH-BD media. However, because the new media specifications are extensions of current Blu-ray Disc technology, future BDXL and IH-BD devices can be designed to support existing 25GB and 50GB Blu-ray Discs.
About Blu-ray DiscTM
Blu-ray DiscTM is the next-generation optical disc format for high definition audio-video and high-capacity data software applications. A single-layer Blu-ray Disc holds up to 25 gigabytes of data and a double-layer Blu-ray Disc holds up to 50 gigabytes of data.
About the Blu-ray Disc Association
The Blu-ray Disc Association (BDA) is responsible for promoting and developing business opportunities for Blu-ray Disc - the next-generation optical disc format for storing high-definition movies, games, photos and other digital content. The BDA has more than 170 members. Its Board of Directors consists of individuals affiliated with the following member companies: Apple Inc., Dell Inc., Hewlett-Packard Company, Hitachi, Ltd., Intel Corporation, LG Electronics Inc., Mitsubishi Electric Corporation, Oracle Corporation, Panasonic Corporation, Pioneer Corporation, Royal Philips Electronics, Samsung Electronics Co., Ltd., Sharp Corporation, Sony Corporation, TDK Corporation, Technicolor, Twentieth Century Fox, Walt Disney Pictures and Television, and Warner Bros. Entertainment Inc.
The Blu-ray DiscTM name and Blu-ray DiscTM logo are registered trademarks of the Blu-ray Disc Association.
BDXL™ is a trademark of the Blu-ray Disc Association.
[ 本帖最後由 juliusko2004 於 2010-4-4 14:46 編輯 ] |
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