Sony group unveils DVD-RAM competitor

Sony group unveils DVD-RAM competitor
Tom Foremski
Sony and its partners have unveiled a rewritable technology for DVD disks that competes with the DVD Forum’s DVD RAM format. The Sony disc uses phase-change technology that can store 3Gbyte per side. The format is compatible with DVD ROM drives but not with DVD RAM.
Sony is joined by Hewlett-Packard, Philips Electronics, Mitsubishi, Ricoh and Yamaha. The new drives will be called DVD+RW drives and will be available in the first half of 1998.
“The ReWritable specification is designed to offer the most straightforward migration path during the extended period of time that CD and DVD products are expected to coexist.” costs,” said Jan Oosterveld, senior director of Philips Electronics.
The DVD RAM format only provides 2.6Gbyte of data storage per disk side, but the DVD Forum says it is working on a DVD RAM format that will store almost 5Gbytes of data.

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