Blu Ray Discs Offer an Addition in Storage Capacity

With the advent of the Compact Disc at the beginning of Nineteen Eighties, the world underwent a dramatic change. It offered excellent audio quality and its 650MB storage capacity was a great leap in data storage and retrieval. This happened to be the first instance of low-priced media which offered recordable, pre-recorded and rewritable options. It enabled widespread recording and distribution of audio.  Anyway, the necessity for greater storage capabilities grew in the nineteen nineties and resulted in the creation of the DVD which saw a five-fold increase of storage capabilities.  Although it was a new technology, the new DVD format used the same form factor as the CD which facilitated the migration into the next generation format.  This increased the DVD’s popularity with the clients.

Today, the blu ray discs are yet another revolution in technology.  This novel optical disc system is an important creation of the Blu Ray Disc Association (BDA) which includes Dell, Hp, Hitachi, LG, Samsung, Apple, JVC, Panasonic, Mitsubishi, Sony, Pioneer, Philips, Thomson, Sharp and TDK.   Blu Ray Disc Association consists of the Globe’s frontline producers of media, personal computers and consumer electronics items, numbering one hundred and eighty.

Blu ray discs provide enhanced storing capabilities, i.e. twenty-five GB on single-layer and fifty GB on dual layer discs. It is the last word in user experience and facilitates rewriting, recording, playback and distribution of HD videos.  The fact that the blu ray discs are based on the bare disc physical form factor renders it compatible with compact discs and DVDs.

Just as its name denotes, blu ray discs utilizes a blue-violet laser beam to read and write data instead of the red laser beam which is being used as per the available technology at present. The wavelength of a blue-violet laser (405nm) is way shorter than that of a red laser (650nm) and this has made it easier to concentrate the laser spot with superb accuracy.  The plus point in this is that it allows storing of data in very little space compactly giving the user extra space to add more data even though the size of the disc is similar to that of a normal CD/DVD.

Presently supported by some of the world’s leading consumer electronics, personal computer, video game, recording media, and music companies, these new generation blu ray discs have also won the support of Hollywood studios and other smaller studios, some of whom have already announced the release of new movies on blu ray discs.

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