Term: HD-DVD

A High Definition videodisc standard developed by Toshiba and other partners that is not compatible with existing DVD players. A rival standard, Blu-ray (see above) developed by Sony is currently engaged in a format “war” to decide which will become the High Definition video disc standard. Both are capable of delivering spectacular HD image quality on HDTV displays. Neither type of disc will play on a conventional DVD player, however, a Blu-ray or HD-DVD player will play conventional DVDs with the existing video quality.

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