Blu-ray

Blu-ray Disc is an optical disc format that enables storage of HDTV quality video and sound as well as data.

Blu-ray Disc has the following characteristics:
• Capacity of 25 GB on a single layer and 50 GB on a dual layer Disc.
• Blue laser technology.
• Full 1080p video resolution.
• 7.1 channels of native, uncompressed surround sound.
• Interactivity through seamless menu navigation and network/Internet connectivity.
• Backward compatibility: Blu-ray Disc players enable you to continue to view and enjoy your existing DVD libraries.
• Improved resistance to scratches and fingerprints.
• Amongst the supporting companies are: Apple, Inc., Dell, HP, Hitachi, LG, Mitsubishi Electric, Panasonic, Pioneer, Philips, Samsung, Sharp, Sony, Sun Microsystems, TDK, Thomson, Twentieth Century Fox, Walt Disney, Warner Bros.

A competing format for High Definition content storage is HD-DVD.