JVCs First Three-Layer Combo-Disc Blu-Ray / DVD
JVC developed and used a high-performance reflective film to produce this revolutionary three layer structure. The outer Blu-ray layer can be read by the blue light laser but it is transparent for the red light laser which therefore has access to the inner dual DVD layer.
The JVC disc sums 33.5 GB in total storage capacity of which: 8.5 GB are allocated to the standard video content; 25 GB hold high definition content.
JVC unveiled its intentions to promote its disc to the Blu-ray Disc Association, in the spring of 2005. Mass production will begin when BD-ROM players are available, early 2006. The combo disc will be available for a 30% higher price than standard DVDs.
The idea is to ease the transition among standard DVD and high definition discs. All big players on the DVD market, including JVC, expect SD and HD DVD to cohabit for a while.
At the beginning of this month, Toshiba and Memory-Tech were announcing their dual-layer DVD/HD DVD disk able to store both DVD and HD DVD content. The DVD layer had a 4.7 GB capacity, satisfying specification of current DVD discs, while the HD DVD layer could store 15 GB capacity.
At least with storing capacity, until now, JVC (Japan Victor Corporation) is the market leader. The company is currently working on a Blu-ray/ DVD combo ROM disc with even more storage capacity. This later disc will feature 50 GB of high definition data (BD format), stored on a dual layer and 8.5 GB of DVD dual layer structure.
Iulia Pascanu writes for
http://www.dvdrecorders.ws where you can find more information about DVD recorders.
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