Digital Audio Tape (DAT)

Digital Audio Tape or simply put, DAT, is a signal recording and playback standard medium. DAT was developed by Sony and introduced in 1987. Digital Audio Tape has become the standard recording and archiving technology in professional recording environments for master recordings. The technology is based on video recorders and the 4 mm tape and also the rotary head configuration is closely similar to 8 mm from Sony.

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Dvd

“DVD” is the abbreviation for digital versatile disc or digital video disc. It is a data storage medium, a type o optical disk technology, very similar to CD-ROM, offering higher capacity than CDs while it has the same dimensions. “DVD”, as an optical disc storage was invented in 1995 by Philips, Sony and Panasonic.

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