A compact disc or CD is an optical data storage format introduced in 1982 that rapidly replaced vinyl records and cassette tapes as the standard format for high-fidelity digital audio recordings.

CD

Learn what defines the compact disc format that replaced records and tapes – its origins, audio encoding, manufacturing process, longevity, quality debates and legacy.

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Pressed CDs are another term for replicated discs, which are CDs that have been pressed from a glass master.

CD Pressing

CD Pressing is the term used to describe the process of manufacturing CDs by pressing them from a master copy.

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