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Matsushita Unveils 50 GB DVD For HD RecordingNew DVD Stores 10 Times the Capacity of Current DVD Technology
The maker of Panasonic and National brand goods said the new technology, which uses blue-laser light and a semi-transparent material that permits recording of data on two separate layers, can hold more than four hours of digital high-definition motion pictures on one side of a disc. Consumer electronics makers are eagerly developing faster-recording, higher-capacity DVD technology with hopes that DVD recorders will be among the hottest-selling consumer electronics in the years ahead, spurred in part by an anticipated take-off in digital high-definition television.
Rival Sony Corp announced in January its DVR-Blue technology that uses a blue laser to stuff 22.5 GB of data onto one side of a disc, although it has yet to be marketed commercially.
Matsushita, which already markets a DVD-RAM recorder using conventional red-laser technology, gave no target date for bringing its blue-laser, dual-layer DVD products to market.
"This is essentially a recording device for digital high-definition TV, so we'll consider what to do while watching the timing of terrestrial digital broadcasting," Shin-ichi Tanaka, director of Matsushita's optical disc systems development centre, told a news conference.
Japan is expected to launch land-based digital broadcasting in 2003 and then steadily shift away from analogue over a seven-year period.
Matsushita's new technology includes a special construction for the top recording layer so it would become no more or less transparent after recording, thus ensuring it would not interfere with the second layer.
Related Keywords:DTV Professional, Matsushita Electric Industrial Co, , recordable digital versatile disc, DVD
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