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Blu Ray Disk: The Good Choice For Video Storage And High-Definition Data

By Joyca Willsondery

The fast evolution of technology made humans experience the latest advancements in the entertainment industry. Starting from the CD and moving forward with the DVD, entertainment has actually come to its customers door step. People did not have to go to the cinema hall to watch the movie they liked. They could experience it all at the comfort of their homes. These high-tech equipments had unmatched picture quality with high audio and video resolution. So getting Blu ray disk will be really important.

After the DVD was engulfed by the world, the Blue ray disk came with more features. The Blu ray disk has taken the optical disc technology to a higher level as it is mainly used for high-definition data and video storage. The dissimilarity between a DVD and a Blu ray disk is that a DVD uses a red laser, whereas the Blu ray disk uses a blue laser. The name ‘Blu ray’ was a result of the laser color that was used in the disk.

The Blu ray disk was developed by the Blu ray disk association; a group is consisting of some of the highly known names in the consumer electronic trade. The most popular names include Sony, Hitachi, Philips, Samsung, Panasonic, Hewlett Packard (HP), etc. A Blu ray disk is used for recording, rewriting and the playback of high definition video.

When talking about advantages, one of the major advantages that a Blu ray disk has over a standard DVD is the high storage capacity. A single-layer Blu ray disk has a storage capacity of 25GB and the dual-layer Blu ray disk can store up to 50GB. It also has advanced audio and video codes; so a person can have the ultimate high-definition video viewing experience.

Unlike the traditional DVD, a Blu ray disk has storage capacity around five times higher than the normal one. A Blu ray disk can store around 9 hours of high-definition video and 23 hours of standard-definition video on a 50GB disk. Another advantage of the Blu ray disk is that the blue-violet laser in it has a shorter wavelength; hence enabling it to focus on a disc area with greater precision. The size of the disk is the same as a CD, but the storage capacity is much higher.

The major disadvantage is that sometimes standard DVD players are unable to recognize the format in these disks. Luckily this problem is being rectified by the use of backward compatible players. Many of the CDs and DVDs can be used in a player which is compatible with Blu ray disks and DVDs.

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Article Citation
MLA Style Citation:
Willsondery, Joyca "Blu Ray Disk: The Good Choice For Video Storage And High-Definition Data." Blu Ray Disk: The Good Choice For Video Storage And High-Definition Data. 26 Aug. 2010. 27 Mar 2016 <>.

APA Style Citation:
Willsondery, J (2010, August 26). Blu Ray Disk: The Good Choice For Video Storage And High-Definition Data. Retrieved March 27, 2016, from

Chicago Style Citation:
Willsondery, Joyca "Blu Ray Disk: The Good Choice For Video Storage And High-Definition Data"

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