Video technology has increased significantly over the past years, and
is continuing to grow at an incredible rate. Digital Video Disc’s aka
DVD’s are the most likely the last big jump in consumer video
technology that everyone is familiar with. To keep up with the ever
advancing world of electronics a new format of video storage will be
released soon called Blu-ray.
Blu-Ray is a next generation optical disc that will blow the socks off
of what we all know today: DVD. Conventional DVD’s use a red laser that
have long wave lengths, which limits the storage capacity on a disc.
Blu-Ray uses a blue laser which has much shorter wave lengths. Because
the wave lengths on the Blu-Ray are much smaller it can focus on a spot
with much greater precision, allowing for data to be packed much more
tightly than the red laser DVD’s.
Blu-Ray discs can hold up to 50GB’s of information which 10 times that
of a 4.5GB DVD. 10 times the storage will greatly increase the amount
of information that we can save on any one disc and will change the way
we save information. Dual Layer Blu-Ray discs will be able to hold up
to 4 hours of High-Definition Video. High Definition video is going to
hit big here, Blu-Ray is an example of a technology that is going to
make it happen. 50GB is probably comparable to size of many of our
hard-drives, and to picture having all of that information on a small
disc that we can slide into a pocket and take wherever we want is a bit
scary.
Expect to see Blu-Ray replacing DVD and VCR over the next few years,
following along with the transition of video to High Definition Video.
Video isn’t the only thing that will benefit from Blu-Ray technology; I
would expect that it will also become the standard for PC and other
types of storage.
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