The group of companies behind the DVD format has approved a next-generation rewritable optical disc that can hold more than four times the amount of data than today's discs.
The rewritable HD-DVD (High Definition and High Density-DVD) format was approved as the DVD Forum kicked off its general meeting in Tokyo this week, according to an official at one of the group’s founding members. It specifies a 12-centimeter optical disc that can store up to 20G bytes of data on a single-sided disc compared to 4.7G bytes on existing DVDs. The format has been largely developed by Toshiba Corp. and NEC Corp. and a read-only version of HD-DVD, which can hold 15G bytes of data, was approved late last year.
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