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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.
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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, marke...
Durability
Compact discs are more durable than prerecorded, long-playing phonograph records (LPs) and cassette tapes. A compact disc is a laser-encoded disc that is made from the same material as bulletproof glass (polycarbonate plastic). It is almost indestructible. Unlike a record player, where a needle actually touches the record to play the music, a CD player or CDROM drive focuses a laser light on the reflective surface of the disc. Nothing but the laser beam touches the disc; therefore, discs do n...
Affordability
All types of compact discs can be mass-produced in large factories through a process called injection molding, making them cheap to produce. Since an audio compact disc was cheap to produce and much easier to carry and moredurable than an LP record, its popularity increased. As a result of this increase in market demand for audio compact discs, Sony introduced its portable audio CD player in 1984. Now you could listen to your CD anywhere. The Microsoft CD-ROM conference held in 1986 (which be...
Compatibility
In the early 1980s Sony and Philips worked together to create the compact disc for audio players. This venture between the two companies guaranteed that any audio CD would play in any audio CD player. Together they established a standard for the physical characteristics of a compact disc. Since the color of the binder in which this standard was published was red, it became known as the Red Book standard. This standard is the foundation on which all other compact discs' specifications are buil...
With the durability, affordability, and standardization of the compact disc industry, more industries and businesses began utilizing the compactdisc. Even the United Statesgovernment began using it for data distribution. In 1983 over 800,000 audio compact discs were sold. For the first time in 1988, CD sales surpassed LP record sales. Although CD-R...
Parker, Dana and Starrett, Bob. New Riders' Guide to CD ROM.Second ed. Indianapolis, IN: New Riders Publishing, 1994. Sherman, Chris, ed. The CD-ROM Handbook. Second ed. New York: McGraw-Hill, 1994.
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.
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7. Sept. 2010 · A CD is a short term for compact disc and was originally invented to store digital sound recordings exclusively. Later, it was also used to store other types of digital data like images, documents, and the like. Until today, it remains the industry’s standard for storing and preserving audio. The CD was planned to be the successor of the ...
2. Mai 2023 · floppy disk, or diskette, magnetic storage medium used with late 20th-century computers. Floppy disks were popular from the 1970s until the late 1990s, when they were supplanted by the increasing use of e-mail attachments and other means to transfer files from computer to computer.
- The Editors of Encyclopaedia Britannica
