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HITACHI REVIEW

Hitachi

AUTHORS

Nobuaki Kohinata 6th Department, Systems Development Laboratory, Hitachi, Ltd.
Damien Le Moal 3rd Department, Systems Development Laboratory, Hitachi, Ltd.
Mika Mizutani 6th Department, Systems Development Laboratory, Hitachi, Ltd.

OVERVIEW

Accompanying the spread of AV equipment fitted with largecapacity HDDs and high-speed network interfaces, a new style of enjoying content—in which all recorded content can be enjoyed freely anywhere in the home—will become mainstream in the near future. In the file system for handling this new viewing/listening style, processing must be performed at high efficiency while assuring the access rates for writing to the HDD storing content and for reading data from the HDD. Aiming to create a middleware solution to meet the above-mentioned requirements, Hitachi has developed, and is presently commercializing, an AV-use file system that enables simultaneous access to multiple "high definition" content (i.e. HDTV programs). Focusing on developing middleware for improving the addedvalue of HDDs, we are continuing to intensify and push forward our research and development on fundamental technologies for supporting people' s "new digital lives."

KEYWORDS

HDD, file system, middleware solution, high definition

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