It was invented and developed in 1995 and first released on November 1, 1996, in Japan. The DVD (common abbreviation for Digital Video Disc or Digital Versatile Disc) is a digital optical disc data storage format. High-Definition Versatile Multilayer Disc (HD VMD).HD DVD: HD DVD-R, HD DVD-RW, HD DVD-RAM.Blu-ray Disc ( BD): BD-R & BD-RE, Blu-ray 3D, Mini Blu-ray Disc.DVD: DVD-R, DVD+R, DVD-R DL, DVD+R DL, DVD-R DS, DVD+R DS, DVD-RW, DVD+RW, DVD-RAM, DVD-D, DVD-A, DVD-Video, HVD, EcoDisc, MiniDVD.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.DVD+RW, DVD-RAM (Fixed-track writable media).Up to four layers are possible in a standard form DVD.Ħ50 nm laser with a focused beam using more power than for reading, 10.5 Mbit/s (1×)ĭVD Forum's DVD Books and DVD+RW Alliance specifications
DVD-ROM and DVD-R(W) use one encoding, DVD-RAM and DVD+R(W) uses anotherĤ.7 GB (single-sided, single-layer – common)
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