Mike Tsinberg and Craig Eggers
Toshiba America Consumer Products
SUMMARY developers have an extra incentive to create attractive
digital content that cross boundaries of broadcasting and
Starting in 1993 Toshiba made history introducing DVD
technology to the industry. Toshiba provided leadership in
building DVD alliance and cooperation with many
companies in the developing unified DVD format and key
enabling technologies. These companies included but not
limited to Time Warner, Matsushita, Pioneer, Dolby,
Hitachi, Philips, Sony and many others.
Key enabling technologies that make DVD work are:
unified DVD format, 0.6 mm thick disk, phase change,
MPEG2 Video and AC-3 audio compression, DVD
encoder and authoring equipment, multi-angle & multistory,
double layer, 8: 16 modulation, WORM disk,
advanced RSPC error correction, commercial 650 nm
laser, integrated MPEG2 and AC-3 decoders.
Just as Compact Disc (CD) provided a dramatic leap in
quality over vinyl records, DVD provided a powerful shift
in quality, interactivity and versatility when compared to
traditional media including videocassette and laserdisc.
DVD takes advantage of higher capacity discs which are
physically the same size as today's CDs but offer
tremendous storage capacities - from 4.7GB to 17GB -- to
accommodate all types of data, audio and video. Both
DVD-ROM drives and DVD players can read content of
all four disc formats: single-sided, single layer 4.7GB disc,
the single sided, double-layer 8.5GB disc; the double
sided, single-layer 9.4GB disc and the double-sided,
double-layer 17GB disc, And, DVD-ROM drives will read
existing CD-ROMs and audio CDs.
Through DVD technology, content developers, computer
users and entertainment enthusiasts not only have playback
capabilities similar to today's CD and laser disc
technologies but also the promise of recordability. DVD
technology was developed to provide both write-once and
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