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Toshiba develops three layer HD DVD combo disc

September 11th, 2006 · No Comments

Toshiba, in conjunction with Memory-Tech, has developed a single-sided, three-layer ROM disc supporting the playback of both DVD and formats. The new hybrid disc is the latest addition to the so-called DVD TWIN format.
In a two-layer HD DVD configuration, the new platter has a 30GB HD DVD capacity, plus 4.7GB for standard DVD content. Configured to maximize standard DVD content, the disc can support 8.5GB on two layers, plus 15GB of HD DVD material on the third layer.
The standard definition layer can be played back on a regular DVD player, while HD DVD decks can play back both formats.
Memory-Tech and Toshiba proposed the original DVD/HD DVD combo format to the DVD Forum in 2004, as transitional media able to support both standard DVD and HD DVD content. A number of combo discs using the technology have since appeared. The drawback with the first generation TWIN disc was its limited capacity (15GB of HD DVD content and 4.7GB of DVD content). The new 3-layer disc meets demand from movie studios and software companies for a capacity boost.
Memory-Tech and Toshiba say they will formerly propose the new disc to the HD DVD Forum, the industry body that defines all DVD standards.

Tags: HD DVD and Blu-ray · Trade

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