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As more and more people upgrade to HDTV to enjoy the benefits of digital television (DTV), the
need for recording high definition content will rise. Blu-ray was designed with this in mind and
uses the same MPEG-2 compression standard as DTV, so it is highly compatible with the global
standard for digital broadcasting. To handle the increased amount of data required for
high-definition video, Blu-ray employs a 36Mbps data transfer rate, which is more than enough
to record and playback digital high-definition broadcasts while maintaining the original picture
quality. In addition, by fully utilizing an optical disc's random accessing features, it's
possible to playback pre-recorded video on a disc while simultaneously recording high-definition
video being broadcast on TV.
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