CEATEC: Toshiba showcases new-genetation DVD system
At CEATEC JAPAN 2002 Toshiba announced the first new-generation DVD system, temporary called "Advanced Optical Disk", which specs were jointly developed by Toshiba and NEC.
The company showed a DVD player supporting read-only discs with 15GB of recording capacity on a single side, a single layer. Note that such 0.6-mm layer discs are made using the technology similar to used for current DVDs. Toshiba and NEC promote the cheapness of making as the main advantage of their new standard. Naturally, they require completely new mechanism with blue laser and NA=0.65.
During the demonstration included multiple HDTV playback using a 15GB disc. With variable encoding speed (average 13 Mbps) such data density enables to store about two hours of HDTV video on a 15GB disc.
Source: Nikkei
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