The entertainment industry in the latest century has given the world some of the biggest evolutions. One of the biggest evolutions was the arrival of DVD’s. It had a huge impact on the total entertainment experience. Latest blockbuster movies could be watched at the comfort of their homes mainly because with DVD’s came the DVD player. These high-tech equipments had unmatched picture quality with high audio and video resolution blu ray disks.
A Blu ray disk has the same physical attributes as a standard DVD. Unlike the DVD, the Blu ray disk is mainly used for high-definition data and video storage. Another 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 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. The format in a Blu ray disk enables recording, rewriting and the playback of high definition video.
blu-ray disks
When talking about advantages, one of the major advantages 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, therefore a person to have the ultimate high-definition video viewing experience.
A Blu ray disk, also known as a BD has storage capacity around five times higher than a traditional DVD. These disks can store high-definition video as well as standard-definition video. The standard can store around 9 hours whereas the high-definition video can store up to 23 hours. Another advantage of the Blu ray disk is that the blue-violet laser in it has a shorter wavelength, focus is made 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.
blu ray disk
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 CD’s and DVD’s can be used in a player which is compatible with Blu ray disks and DVD’s.
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