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What is Blu-ray Disc

Blu-ray Disc (official abbreviation BD, erroneously also known as BR or Blu-ray, not Blue-ray) is an optical disc storage medium designed to supersede the standard DVD format. Its main uses are for storing high-definition video, PlayStation 3 video games, and other data, with up to 25 GB per single-layered, and 50 GB per dual-layered disc. Although these numbers represent the standard storage for Blu-ray Disc drives, the specification is open-ended, with the upper theoretical storage limit left unclear. 200 GB discs are available, and 100 GB discs are readable without extra equipment or modified firmware.The discs have the same physical dimensions as standard DVDs and CDs.

While current optical disc technologies such as DVD, DVD±R, DVD±RW, and DVD-RAM rely on a red laser to read and write data, the new format uses a blue-violet laser instead, hence the name Blu-ray. Despite the different type of lasers used, Blu-ray products can easily be made backwards compatible with CDs and DVDs through the use of a BD/DVD/CD compatible optical pickup unit. The benefit of using a blue-violet laser (405nm) is that it has a shorter wavelength than a red laser(650nm), which makes it possible to focus the laser spot with even greater precision. This allows data to be packed more tightly and stored in less space, so it's possible to fit more data on the disc even though it's the same size as a CD/DVD. This together with the change of numerical aperture to 0.85 is what enables Blu-ray Discs to hold 25GB/50GB. Recent development by Pioneer has pushed the storage capacity to 500GB on a single disc by using 20 layers.

There are a few formats of Blu-ray Discs available or in the works including BD-ROM, BD-R and BD-RE. Although HD DVD has had combo discs (one side HD, other side standard DVD), Blu-ray has not yet created such a format, but is planning to introduce it soon.Videos will be stored on either MPEG-2 (enhanced for new HD), MPEG-4/AVC (High Profile standard) or on the best of all three, VC-1 (HD standard based on Microsoft's Windows Media Video (WMV) technology.)

HD DVD had a head start in the high definition video market, as Blu-ray Disc sales were slow to gain market share. The first Blu-ray Disc player was perceived as expensive and "buggy", and there were few titles available. This changed when the PlayStation 3 was launched, since every PS3 unit also functioned as a Blu-ray Disc player. At CES 2007, Warner proposed Total Hi Def - a hybrid disc containing Blu-ray on one side and HD DVD on the other - but it was never released.

Related Blu-ray Resources :

Convert Bluray M2TS to MKV Video and Compress M2TS Video to MKV and Keep Image Quality.

Rip Blu-ray to MKV, Decrypt Blu-ray and Rip BD M2TS to MKV.

By January 2007, Blu-ray Discs had outsold HD DVDs,and during the first three quarters of 2007, BD outsold HD DVDs by about two to one. In a June 28, 2007 press release, Twentieth Century Fox cited Blu-ray Disc's adoption of the BD+ ant-copying system as a key factor in their decision to support the Blu-ray Disc format. In February 2008, Toshiba withdrew its support for the HD DVD format, leaving Blu-ray Disc as the victor.

Some analysts believe that Sony's PlayStation 3 video game console played an important role in the format war, believing that it acted as a catalyst for Blu-ray Disc, as the PlayStation 3 used a Blu-ray Disc drive as its primary information storage medium. They also credited Sony's more thorough and influential marketing campaign. It is also worth noting that AVCHD camcorders first appeared in 2006, produce recordings that can be played back on many Blu-ray Disc players without re-encoding, but not on HD DVD players.

Related Software

WinX Blu-ray Decrypter: Decrypt Blu-ray to hard drive and ripping Blu-ray discs to m2ts file set.

WinX Blu-ray Ripper: Rip and decrypt Blu-ray disc to portable devices or computer hard disk drive.

WinX Blu-ray to HD Converter: Convert Blu-ray DVD to HD video formats and popular normal video files.

WinX DVD Ripper Platinum: Advanced version of free WinX DVD Ripper. Besides converting DVD to AVI at fastest speed in excellent quality, also converting DVD to MP4, MPEG, MOV, WMV, FLV, M2TS, TS, iPhone, iPod, iPad, Android, Samsung, HTC, Microsoft, Google, Sony, Nokia, Asus, Acer, etc. Makes perfect 1:1 DVD to ISO image/DVD folder copy and clone DVD to multi-track MPEG2 file with 5 minutes only. Constantly update to defeat upcoming DVD copy protections.

WinX DVD Ripper for Mac: Mac version WinX DVD Ripper Platinum, rip any DVD on Mac OS X Mavericks/Mountain Lion/Tiger/Leopard/Snow Leopard., convert DVD to MP4, H.264, MOV, M4V videos that are playable on Mac computer, as well as DVD to iPhone, iPod, iPad, Apple TV, iTunes, iDVD, iMovie, Final Cut Pro, Air Playit, Android, etc.

WinX HD Video Converter Deluxe: Built in hundreds of A/V codecs and equipped with Photo Slideshow Maker and Website Video Downloader functions. As all-in-one HD Video Converter software, it helps you transcode HD video formats like convert AVCHD M2TS to MKV, convert Blu-ray to MKV, MKV to MP4, etc. Moreover, it is embedded with numerous profile settings for Apple, Samsung, HTC, Sony, Microsoft portable devices, iOS, Android, Windows mobiles. Convert MKV to iPhone, convert MKV to iPad are good examples.

WinX HD Video Converter for Mac: Professional HD Video converter for converting HD Videos on Mac OS, provides the perfect solution to convert Blu-ray videos and videos from HDTV and HD camcorders, like JVC, Panasonic, Sony and Cannon to other formats. Also act as a Mac screen and camera video recorder, slideshow maker, YouTube video downloader, etc. Running perfectly on Mac OS X Mavericks/Mountain Lion/Tiger/Leopard/Snow Leopard.

Related Source

DVD - The advantage and disadvantage of DVD and how to convert DVD.

Related External Source

Blu-ray / Bluray Disc - Blu-ray Disc (aka BD) is an optical disc storage medium like the DVD format

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