In what year was the compact disc invented?

yeaux

1972 Jun 25 04, 10:05 AM

McGruff

This first site credits Klass Compaan with the idea of the compact disc in 1969, however, other sites, like the second one below, say it was James Russell in 1965. 1969 - Sony introduces it's 13-bit PCM digital recorder at a 47.25 kHz (47,250 time per second) sampling rate. The digital recording is sent to a 2" video tape. Klass Compaan, a Dutch physicist comes up with the idea for the Compact Disc. http://www.oneoffcd.com/info/historycd.cfm James Russell invented the compact disk in 1965. Russell was granted a total of 22 patents for various elements of his compact disk system. However, the compact disk came into popularity when it was mass manufactured by Philips in 1980. http://inventors.about.com/library/inventors/blcompactdisk.htm">http://inventors.about.com/library/inventors/blcompactdisk.htm Aug 17 05, 8:24 AM

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What was the first compact disc pressed in the United States? What was the first compact disc ever pressed in the United States? Which musical composition was the first commercial recording on a compact disc? What was the first CD (compact disc) pressed in the United States?

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