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Recently the business of entertainment in the form of discs has grown increasingly sophisticated. In the year 80's there are laser disc, and then replaced with a VCD (Video Compact Disc). In the range of year 2000 has developed the DVD format, then since the year 2008 began developed a disc called Blu-ray disc. Here's a glimpse of information about the Blu-ray Disc.

What is Blu-ray Disc?

Blu-ray Disc (BD) is an optical disc storage media that is designed to replace the standard DVD format. Primary use is for storing high-definition video, the PlayStation 3 video games, and other data with up to 25 GB of storage capacity per single-layered, and 50 GB per dual-layer disc in which physical dimensions as standard DVDs and CDs.

The name Blu-ray Disc comes from a blue-violet laser used to read the disc on the player. While the standard DVD using a 650 nanometer red laser, Blu-ray Disc using a shorter wavelength, i.e. 405 nm blue-violet laser, which allows to store data nearly ten times more than DVD data storage. Competition high-definition optical discs occur between Blu-ray Discs with HD DVD. But finally Toshiba, the main company supporting HD DVD, admitted in February 2008 that Blu-ray is superior compared with HD DVD. At the end of 2009, Toshiba released its own Blu-ray Disc player. Blu-ray Disc was developed by the Blu-ray Disc Association, a group representing electronics manufacturers, computer hardware, and moving images. In June 2009, has released more than 1,500 titles Blu-ray Disc in Australia and the United Kingdom, 2,500 in Japan, and more than 3,000 in the United States and Canada.

BD-Live

The biggest difference between the Bonus View and BD-Live is that the BD-Live requires Blu-ray Disc player that has an Internet connection to access Internet-based content. BD-Live features include automatic firmware update, the transmission of all data usage to the producers (including all the Blu-ray Disc can be played), checking each time the device is switched on to see if the file is corrupted or does not, internet chat, chat directory, internet games, featurettes download , quizzes, downloads, and movie trailers downloaded. While some players may have only Bonus View Ethernet port, which is used to update the firmware and not used for internet-based content.

Blu-ray Disc Region

As with the implementation of the regional code for DVD, Blu-ray Disc players sold in a particular geographical area and designed to play discs that are only allowed by the content provider for the region. It is intended to enable content providers (movie studios, etc.) have the ability to support a diversity of products in the content, price, release date, etc., according to each region.

According to the Blu-ray Disc Association, "all Blu-ray Disc player ... (and) Blu-ray Disc-equipped computer system tools to support the coding region (region)." However, the use of area code (region) is not mandatory for content providers, "About 70% of the movie format Blu-ray Disc from major studios do not use region codes, and therefore can be played on any Blu-ray player in any region. Among the major U.S. studios, Paramount Pictures and Universal Studios have released all the titles of their production movie region free code. Sony Pictures and Warner Bros. has released most of the movie region free code. Lionsgate and Walt Disney Pictures has released the titles of the film use a region code free and limited to the region code. [20th Century Fox and MGM have released most of the movie titles they use region codes.

Scheme coding region Blu-ray Disc divide the world into three regions, labeled A, B, and C.

In an effort to avoid the region code restrictions, Blu-ray Disc player is sometimes modified by third parties to allow playback of Blu-ray Disc (and DVD) that uses the area code. Unlike the region code DVD, Blu-ray region code only verified by the player software, not by the drive and the computer operating system. The code is stored in the player or the program file in the registry. In stand-alone player, it is part of the firmware.

3D Blu-ray Disc

Blu-ray Disc Association created a task force comprised of executives from the film industry, electronics and IT sector to help set standards for placing the film in 3D and 3D television content in the Blu-ray Disc. On December 17, 2009, BDA 3D officially announced the specifications for the Blu-ray Disc, which allows compatibility with Blu-ray player 2D. The specifications for video encoding using a 3D Blu-ray profile "Stereo High" set by the Multiview Video Coding (MVC), an extension of ITU-T H.264 Advanced Video Coding (AVC) codec which is currently supported by all the Blu-ray Disc .