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Posted on Oct 06, 2010 under Used DVD Movies Online | Comments are off

Sound of Music The 45th Anniversary Edition Blu ray Widescreen
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US $19.99

Obsessed Blu ray Disc 2009 2 Disc Set
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US $3.99

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Day Off Blu

BLU-RAY vs DVD

What is Blu-ray™ ?

Blu-ray™, also known as Blu-ray™ Disc (BD) is the name of a next-generation optical disc format. The format was developed to enable recording, rewriting and playback of high-definition video (HD), as well as storing large amounts of data. The format offers more than five times the storage capacity of traditional DVDs and can hold up to 25GB on a single-layer disc and 50GB on a dual-layer disc. The name Blu-ray™ is derived from the underlying technology, which utilizes a blue-violet laser to read and write data. The name is a combination of "Blue" (blue-violet laser) and "Ray" (optical ray). According to the Blu-ray Disc™ Association the spelling of "Blu-ray" is not a mistake, the character "e" was intentionally left out so the term could be registered as a trademark.The correct abbreviation is BD A single-layer disc can hold 25GB. A dual-layer disc can hold 50GB! *Over 3 hours of high-definition (HD) video on a 50GB disc. *About 9 hours of standard-definition (SD) video on a 50GB disc. To ensure that the Blu-ray™ Disc format is easily extendable (future-proof) it also includes support for multi-layer discs, which should allow the storage capacity to be increased to 100GB-200GB (25GB per layer) in the future simply by adding more layers to the discs.

Will Blu-ray™ replace DVDs?

Yes, that's the expectation. The Blu-ray format has received broad support from the major movie studios as a successor to today's DVD format. In fact, seven of the eight major movie studios (Disney, Fox, Warner, Paramount, Sony, Lionsgate and MGM) have released titles in the Blu-ray format. Many studios have also announced that they will begin releasing new feature films on Blu-ray Disc day-and-date with DVD, as well as a continuous slate of catalog titles every month. For more information about Blu-ray movies, check out our Blu-ray movies section which offers information about new and upcoming Blu-ray releases, as well as what movies are currently available in the Blu-ray format. However, the two formats (Blu-ray and DVD) will most likely co-exist for quite some time until HDTVs become more widespread.

Why should I upgrade from DVD to Blu-ray™?

The simple answer is HDTV. If you've ever seen high-definition (HD) video on an HDTV, then you know just how incredibly sharp the picture is and how vivid the colors are. In fact, HD offers five times the amount of detail compared to standard-definition (SD). The problem with today's DVDs is that they only support SD and don't have the necessary storage capacity to satisfy the needs of HD. That's where Blu-ray comes in, it offers up to 50GB of storage capacity and enables playback, recording and rewriting of HD in all of the HD resolutions including 1080p. The format also supports high-definition audio formats and lossless audio. In addition to the greater video and audio quality, the extra storage capacity also means there will be plenty of room for additional content and special features. This combined with the new BD-J interactivity layer adopted by Blu-ray will bring the menus, graphics and special features to a whole new level. For example, you will be able to bring up the menu system as an overlay without stopping the movie, and you could have the director of the movie on the screen explaining the shooting of a scene while the scene is playing in the background. The advanced interactivity combined with the networking features of Blu-ray will also allow content producers to support new innovative features such as downloading extras, updating content via the web, and watching live broadcasts of special events. Thanks to the greatly enhanced HD video and audio quality as well as the advanced interactivity and networking features, Blu-ray represents a huge leap forward in the DVD viewing experience and will offer consumers an unprecedented HD experience.

The Blu-ray Disc region Contrary to DVD, the Blu-ray Disc region coding system divides the world into only 3 regions, called regions A, B and C. The usage of region coding on a Blu-ray Disc movie title is a publisher's option. A Blu-ray Disc player will play any movie title that does not have region coding applied, plus all titles of its corresponding region.

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About the Author

Ian Harvey former aircraft engineer. Trying to catch-up in the world of I.T. Various interests, especially movies and photography. Blogging at http://www.dvdandbluray.com (movie reviews) and http://www.europhotoshop.com (photo of the day)