Conventional or pre-BD-XL Blu-ray Discs contain 25 GB per layer, with dual-layer discs (50 GB) being the industry standard for feature-length video discs. The polycarbonate disc is 120 millimetres (4.7 in) in diameter and 1.2 millimetres (0.047 in) thick, the same size as DVDs and CDs. The name "Blu-ray" refers to the blue laser (which is actually a violet laser) used to read the disc, which allows information to be stored at a greater density than is possible with the longer-wavelength red laser used for DVDs. The main application of Blu-ray is as a medium for video material such as feature films and for the physical distribution of video games for the PlayStation 3, PlayStation 4, PlayStation 5, Xbox One, and Xbox Series X.
#Is bluray 1080p or 720p 720p#
It is designed to supersede the DVD format, and capable of storing several hours of high-definition video (HDTV 720p and 1080p). The Blu-ray Disc ( BD), often known simply as Blu-ray, is a digital optical disc storage format.
Compact disc ( CD): CD-DA, CD-ROM, CD-R, CD-RW, 5.1 Music Disc, Super Audio CD ( SACD), Photo CD, CD Video ( CDV), Video CD ( VCD), Super Video CD ( SVCD), CD+G, CD-Text, CD-ROM XA, CD-i, MIL-CD, Mini CD.Up to four layers are possible in a standard form BD.Ĥ05 nm diode laser with a focused beam using more power than for reading
#Is bluray 1080p or 720p code#
Different brands of disc can have different colors, such as silver, gold, or grey.ĭata encoding: CLV or Zoned CAV pits-and-lands with interleaved error correction code Unlike CD and DVD, the reflection has a blue hue.
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