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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. In August 1982, the first compact disc was manufactured. It was then released in October 1982 in Japan and branded as Digital Audio Compact Disc.
- Various
- Optical disc
- Typically up to 700 MiB (up to 80 minutes audio).
- Rainbow Books
12. März 2019 · 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...
A look into the origins of the CD and how it has evolved over the years. In the late 1970s, the two companies Philips and Sony, separately developed prototypes in a bid to become the first to develop the Compact Disc (CD). Below, we delve into the history of the CD and its evolution.
Die Compact Disc (kurz CD, englisch für kompakte Scheibe) ist ein optischer Datenträger, der Anfang der 1980er Jahre als erster digitaler Tonträger von Philips / PolyGram und Sony in Zusammenarbeit mit dem Chemiekonzern Bayer eingeführt wurde und die Kassette ablösen sollte.
- ø 12 cm bzw. 8 cm
- 176 kB/s (CD-DA), 150 kB/s (1×), 10800 kB/s (72×)
- 150 kB/s (1×), 8400 kB/s (56×)
- Optisches Speichermedium
21. Juni 2013 · 1969: The idea of a compact disc was born in the mind of Klass Compaan, a Ducth physicist. 1970: A glass disc prototype that was readable by laser was created by Klass Compaan and Pete Kramer at Philips. 1971: Intel produced the microprocessor. 1972: First color prototype of the compact disc produced by Kramer and Compaan.
- Stephanie Ciccarelli
