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Audiovisual carriers


The DAT cassette (Digital Audio Tape) was first developed by Sony in 1986. This is a digital recording and playback format primarily for use by industry professionals. The DAT technology made it possible to produce recordings with the same quality as the CD, and consequently was frequently used for the middle stages of professional record production. Today, DAT cassettes are considered as safe and reliable audio recordings for secure back-up copies in archives, but have been obsolete since 2006.

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