"Blue ray" redirects here. For the fish, see Neoraja caerulea.
Blu-ray Disc Blu-ray Disc.svg
Reverse side of a Blu-ray Disc
Media type High-density optical disc
Encoding MPEG-2, H.264/MPEG-4 AVC, and VC-1
Capacity 25 GB (single-layer)
50 GB (dual-layer)
100/128 GB (BDXL)
Block size 64 kb ECC
Read mechanism 405 nm laser:
1× @ 36 Mbit/s (4.5 MByte/s)
Developed by Blu-ray Disc Association
Usage Data storage
1080p High-definition video High-definition audio
stereoscopic 3D
Blu-ray Disc (official abbreviation BD) is an optical disc storage medium designed to supersede the DVD format. The format defines as its standard physical media a 12 cm (same as DVDs and CDs), 25 GB per-layer optical disc, with dual layer discs (50 GB) the norm for feature-length video discs and additional layers possible later.
The name Blu-ray Disc refers to the blue laser used to read the disc, which allows for six times more storage than on a DVD. The term Blu was used because blue is commonly used in English and therefore not registrable as a trademark.
Blu-ray Disc was developed by the Blu-ray Disc Association, a group representing makers of consumer electronics, computer hardware, and motion pictures. As of June 2009, more than 1,500 Blu-ray Disc titles were available in Australia and the United Kingdom, with 2,500 in the United States and Canada. In Japan as of July 2010 more than 3,300 titles were released.
During the high definition optical disc format war, Blu-ray Disc competed with the HD DVD format. Toshiba, the main company that supported HD DVD, conceded in February 2008, releasing their own Blu-ray Disc player in late 2009.
Blu-ray Disc Blu-ray Disc.svg
Reverse side of a Blu-ray Disc
Media type High-density optical disc
Encoding MPEG-2, H.264/MPEG-4 AVC, and VC-1
Capacity 25 GB (single-layer)
50 GB (dual-layer)
100/128 GB (BDXL)
Block size 64 kb ECC
Read mechanism 405 nm laser:
1× @ 36 Mbit/s (4.5 MByte/s)
Developed by Blu-ray Disc Association
Usage Data storage
1080p High-definition video High-definition audio
stereoscopic 3D
Blu-ray Disc (official abbreviation BD) is an optical disc storage medium designed to supersede the DVD format. The format defines as its standard physical media a 12 cm (same as DVDs and CDs), 25 GB per-layer optical disc, with dual layer discs (50 GB) the norm for feature-length video discs and additional layers possible later.
The name Blu-ray Disc refers to the blue laser used to read the disc, which allows for six times more storage than on a DVD. The term Blu was used because blue is commonly used in English and therefore not registrable as a trademark.
Blu-ray Disc was developed by the Blu-ray Disc Association, a group representing makers of consumer electronics, computer hardware, and motion pictures. As of June 2009, more than 1,500 Blu-ray Disc titles were available in Australia and the United Kingdom, with 2,500 in the United States and Canada. In Japan as of July 2010 more than 3,300 titles were released.
During the high definition optical disc format war, Blu-ray Disc competed with the HD DVD format. Toshiba, the main company that supported HD DVD, conceded in February 2008, releasing their own Blu-ray Disc player in late 2009.
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