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    • Invented in 1979

      • The CD was invented in 1979. At a time before before online music existed, it became the most sophisticated way to store and play music. On the 25th anniversary of its first public release in 1982, it was estimated that 200 billion CDs had been sold worldwide.
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  2. en.wikipedia.org › wiki › Compact_discCompact disc - Wikipedia

    The compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It uses the Compact Disc Digital Audio format which typically provides 74 minutes of audio on a disc.

  3. The story of the CD started way back in 1957 with experiments involving the rudimentary video disc by the Italian Antonio Rubbiani, that stimulated an entire generation of scientists to think along the lines of digital technology.

  4. 2 days ago · Compact disc, a molded plastic disc containing digital data that is scanned by a laser beam for the reproduction of recorded sound and other information. Learn more about the history of the compact disc, starting with its commercial introduction in 1982.

    • The Editors of Encyclopaedia Britannica
  5. The history of the CD - The beginning While experimenting with equipment to record morse signals automatically, the 30-year-old Thomas Alva Edison accidentally discovered in 1877 that he had recorded sounds that resembled a human voice.

  6. Feb 7, 2018 · Most often attributed to inventor James Russell, the CD evolved from multiple optical mediums, and was eventually finalized in 1980 when Sony and Philips created the famed “Red Book” standard,...

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