Blu-ray disc, which is also known as BD or Blu-ray format for storing optical disc media. It is commonly used for HD video storage and data storage. This disc looks like any ordinary disc and has the same dimensions.

The name Blu-ray Disc comes from the blue laser used to read and write this type of disc. It is a combination of the word "blue" that stands for blue-violet laser beam, and `` stands for the optical beam.

Since the shorter wavelength of around 405 nm, so it can store much more data than a DVD which uses red or 650 nm laser. To give you more details, double-layer Blu-ray disc has a storage capacity of 50 GB, almost six times the capacity of similar dual-layer DVD.

Blu-ray Disc was invented Blu-ray Disc Association. This is a group of companies that represent computer hardware, consumer electronics, and are also involved in film production. There are more than 180 member companies of the association, from all over the world. The current Board consists of companies such as Apple Computer, Inc., Warner Bros. Entertainment, Dell Inc., Thomson Multimedia, Hewlett Packard Company, Sharp Corporation, Hitachi, Ltd., Twentieth Century Fox, LG Electronics Inc., Sony Corporation, Matsushita Electric Industrial Co., Sun Microsystems, Inc., Ltd., TDK Corporation, Mitsubishi Electric Corporation, Pioneer Corporation, Royal Philips Electronics, Samsung Electronics Co., Ltd., Walt Disney Pictures.

There was a time when Blu-ray Disc is a competition with the HD DVD format, but soon most of the leading companies have announced that they could no longer find buyers for its HD DVD players and recorders. So Blu-ray emerged as the clear winner of format war.

There are many myths about this technology, since it is relatively new. In this article we will try to clear some of these. The first myth is that the Internet connection is required to support this format. This is absolutely true. Internet connection is not needed for basic playback of Blu-ray movies support. This will be a need for additional features such as download value-added services, web browsing, watching the latest movie trailers, etc. You will also need the internet if you want to authorize a managed copy of the Blu-ray movies that are transmitted over a home network.

is another myth of the down conversion of analog outputs. Blu-ray players will down convert the signal from the analog outputs than video or image contains the ICT token limit. Since most film studios such as Sony, Fox, Disney, MGM, Paramount, Universal, and not to use this feature, so you will not have much trouble with it.

The second issue is related to support mandatory managed copies. Well, Blu-ray format will have such protection (MMC) to enable users to legal and authentic copies of Blu-ray movies, which can be easily transferred over a home network.

Since it is new technology so it is obvious that the first generation of products will be more expensive because it will be low production volumes. However, manufacturers are planning a wide range of Blu-ray products, such as players, drives, recorders, media, writers, etc., and thus the amount of products soon to be expected that growth will give way to lower prices.

This is a general expectation that the Blu-ray will soon replace DVDs and most major movie studios are highly supported by this format compared to DVD-monopoly. They have released movies in this format and plan to continue the same. But it is quite likely that the DVD will also not be entirely extinct. Chances are that these two formats will co-exist for some time. That is why most of the best brands of consumer electronics such as Panasonic, Philips, Sony, Samsung, Sharp, Pioneer and LG have introduced products that can read and write CDs, DVD and Blu-ray discs.

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