New disc to store one Terabyte of Data

Six leading technology companies have formed
a consortium to make an optical disc that could store
a few hundred movies.

The Holographic Versatile Disc (HVD) Alliance, which
includes Fuji Photo and CMC Magnetics, will let
consumers conceivably put a terabyte (1TB) of data on
to a single optical disc, reports Cnet news.com.

The consortium said an HVD disc could hold as much
data as 200 standard DVDs and transfer data at over
one gigabit a second, or 40 times faster than a DVD.

HVD is a possible successor to technologies such as
Blu-ray and HD DVD. Single layer Blu-ray discs hold
about 25GB of data while dual layer discs hold 50GB.
Ordinary DVD discs hold about 4.7GB.

HVD technology will be pitched at corporations and the
entertainment market, the HVD Alliance said.

The technology behind HVD is based on holography
technology from Japan’s Optware, one of the six
founders of the consortium. A technical committee was
formed in December to flesh out HVD standards.

Sony unveiled a home server with 1TB of storage for
the Japanese market last year. Half the capacity would
be enough to record six channels of TV for five and a
half days non-stop, Sony said.

The consortium, however, is looking at first
developing discs with lower capacities. The first
assignments of the technical committee involve coming
up with standards for a 200GB recordable disc and a
100GB read-only disc.

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