In depth study of the DVD technology.
Date Submitted: 09/10/2006 05:27:31
Category: / Literature / European Literature
Length: 3 pages (959 words)
Category: / Literature / European Literature
Length: 3 pages (959 words)
Introduction
DVD or Digital Versatile Disc is an optical disc storage media format, which can be used for Data storage, high quality video and audio. DVDs resemble CDs in terms of physical dimensions being 8 to 12 cm in diameter but information is encoded in a different format and at a higher density. It utilizes a 650nm infrared laser and numerical aperture of 0.6 instead of a 780nm laser and numerical aperture of 0.45, which are used in CDs. …
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…in DVD rental stores and gives benefits like increased security and copyright while the costumer can avoid late fees. (How Stuff Works/ Flexplay 2006)
Other research includes the Paper Disc developed by Sony in conjunction with TOPPAN Printing Co. This Disc is made from 51% paper and holds up 25GBs of data. It is easily cut up by scissors and can be recycled making it environmentally friendly as well as offering data security benefits. (Wikipedia/ Paper disc, 2005)
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