November 21, 2008

Blu-ray Disk

What is Blu-ray?

Blu-ray is one of the two major formats competing for the emerging high definition DVD market. The name "Blu-ray" comes from the use of a blue-violet laser to read and write data. The term Blu-ray discs is shortened to BD for simplicity.

Due to HD DVD's capitulation in February 2008, Blu-ray is now the dominant HD format (in the West, at least).

A single layer BD will store around 25GB, which is more than 5 times the capacity of a single layer DVD. For each additional layer, an additional 25GB of storage will be available. The reason for the dramatic capacity increase over DVD is obvious when you consider that a HD transmission will take up a lot more room than a typical DVD stream, although with 25GB and 50GB capacities, and better compression algorithms, capacity shouldn't be an issue (so no "flippers", or double sided disc). These two types of discs are often referred to as BD25 and BD50.

BD resolution will follow the standard HD resolution standards currently used for HDTV transmissions. This means, at least for the present, the maximum resolution will be 1080i/p, or 1920x1080 in either interlaced or progressive format . There is also 720p resolution (1280x720, progressive), which is the current native resolution of many home theatre displays, and also SD resolution support, similar to today's DVDs.

The official date has been set to Spring 2006, announced in December 2005. HD DVD's release date was earlier pushed back to early 2006 as well. The difference between HD DVD and Blu-ray's launch dates is probably not a major issue, because even DVDs, the most successful format ever, took a year to become a "must-have" item after its official launch date, so the difference of a few months between the official launch dates is probably insignificant.

Blu-ray is now the only remaining HD format, after Toshiba announced in February 2008 that HD DVD will no longer be supported. And so technically, all companies are now backers of Blu-ray, but the list below is a list of the original backers of the format, before and during the format war.

Blu-ray is backed by the following list of companies:

* Apple Computer, Inc.
* Dell Inc.
* Hewlett Packard Company
* Hitachi, Ltd.
* LG Electronics Inc.
* Matsushita Electric Industrial Co., Ltd.
* Mitsubishi Electric Corporation
* Pioneer Corporation
* Royal Philips Electronics
* Samsung Electronics Co., Ltd.
* Sharp Corporation
* Sony Corporation
* TDK Corporation
* Thomson Multimedia
* Twentieth Century Fox
* Walt Disney Pictures

The main backers are Sony, Matsushita (Panasonics) and Philips, with Sharp also playing an important role. Sony (formerly Columbia/Tri-Star, and also the new owner of MGM), Fox and Disney are the main studio backers.

Warner is now the only major studio to back both formats after Paramount/Dreamwork's decision in August 2007 to stop releasing movies for Hd Dvd and to produce Blu-ray releases only. Rumors suggest that this deal will only last 18 months, although official statements indicate it is indefinite.

Warner has also announced in January 2008 that they will end support for HD DVD in May 2008, becoming a Blu-ray exclusive studio.

In November 2005, HP has stated that it might shift its support to HD DVD if "managed copy" and "iHD" are not supported by Blu-ray. Subsequently, mandatory managed copy will now be part of Blu-ray specifications, but the decision to include iHD is being considered.

What is Blu-ray Notebooks?

A Blu-ray Notebook (also known as Laptop) is a small mobile computer, and weigh 3 to 10 pounds (1.4 to 4.4 kg),yes many older regular notebooks may weigh more.

A player/drive which use blue-violet laser to read and write data called as blu-ray player/drive and any notebook come with this small but high tech device called blu-ray-Notebooks.

Blu-ray Notebooks usually run on a single main battery or from an external AC/DC adapter that charges the battery while also supplying power to the whole body hardware itself even in the event of a power failure.

Blu-ray Notebooks contain many components that are similar to the regular desktop computers and notebooks which perform the same functions, but come with more powerful graphic card to get benefit of any blu-ray discs, plus it will equipped with high resolution screen as now a days many notebooks coming with 1920X1200 high resolution screen which will enhance your experience to watch any bluray movies.

Still many people don't know which company selling which model in blu-ray or you can simply upgrade some of them.

For more Guidance of any blu-ray notebooks click on right side bar to know more about any particular brand bluray Notebooks and other accessory.

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