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1. www.techtarget.com › searchstorage › definitionWhat is compact disc (CD)? | Definition from TechTarget

   www.techtarget.com › searchstorage › definition

   CD-Magneto Optical (CD-MO) is a compact disc format that uses magnetic fields for data storage. Defined by Philips and Sony in their 1990 Recordable CD Standard , informally known as the Orange Book ), CD-MO discs can, at least theoretically, be rewritten an unlimited number of times.

2. www.nature.com › articles › s41928/018/0063-7How we made the compact disc | Nature Electronics

   www.nature.com › articles › s41928/018/0063-7

   17. Apr. 2018 · Philips director Lou Ottens, who developed the compact audio cassette in the 1960s, proposed a 115-mm disk diameter. The cross diameter of the compact audio cassette, which was very popular at ...

3. www.britannica.com › summary › compact-disccompact disc (CD) summary | Britannica

   www.britannica.com › summary › compact-disc

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   compact disc (CD), Molded plastic disc containing digital data that is scanned by a laser beam for the reproduction of recorded sound or other information. Since its commercial introduction in 1982, the audio CD has become the dominant format for high-fidelity recorded music. Digital audio data can be converted to analog form to reproduce the original audio signal

4. www.discmakers.co.uk › history-of-the-compact-discHistory of the Compact Disc - Disc Makers

   www.discmakers.co.uk › history-of-the-compact-disc

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   A Compact Disc (also known as a CD) is an optical disc used to store digital data, originally developed for storing digital audio. The CD has been available on the market since October 1982, and remains the standard physical medium for sale of commercial audio recordings to the present day. The technology was later adapted and expanded to ...

5. atlantadisc.com › history-of-compact-discHistory of Compact Disc - Atlanta Disc

   atlantadisc.com › history-of-compact-disc

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   Before they did this, they had started studying the concept back in the late 70’s. The original Compact Disc was an 11.5 cm disc that quickly fell to the wayside. In the Far East, companies were also struggling to create a new disc based format. Sony’s audio department began production on their optical disc in 1974 after creating a PCM ...

6. www.bbc.co.uk › newsround › 47441962History of the CD: 40 years of the compact disc - CBBC Newsround

   www.bbc.co.uk › newsround › 47441962

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   9. März 2019 · Forty years ago the world got its first glimpse of what would become one of the most important music devices in history - the compact disc (CD). The CD was invented in 1979. At a time before ...

7. www.dutchaudioclassics.nl › Philips-Compact-Disc-history-andPhilips Compact Disc history and technology (Philips, 1984)

   www.dutchaudioclassics.nl › Philips-Compact-Disc-history-and

   Compact Disc is the new digital audio medium that uses advanced computer technology to encode up to around 8O minutes of uninterrupted programme material on a disc only 12 cm in diameter. Unlike the conventional LP record medium, Compact Disc uses a unique, non-contact laser *read-out' system, so there can be no wear of either the disc or the ...