The Invention of Compact Discs - Research Article from Science and Its Times

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The Invention of Compact Discs

Overview

Did you know that until the late 1800s the ability to record audio (voice or music) was just a dream? In 1877 "Mary Had a Little Lamb" was recorded and played on Thomas Edison's first experimental talking machine called a phonograph. About one hundred years (1982) after Edison's introduction of the phonograph, two companies, Sony and Philips, marketed the first digital audio 5-inch compact disc (CD). A CD-ROM (Compact Disc Read-Only Memory) disc is basically the same as a CD audio disc, except for the way the data is stored on the disc. A CD-ROM allows multimedia data (audio, text, computer graphics, and video images) to be stored on the same disc for use in a personal computer. For example, a CD-ROM can contain the complete text of the dictionary, 24 volumes of an encyclopedia, a...

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This section contains 1,465 words
(approx. 5 pages at 300 words per page)
Buy The Invention of Compact Discs Encyclopedia Article
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The Invention of Compact Discs from Gale. ©2005-2006 Thomson Gale, a part of the Thomson Corporation. All rights reserved.
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