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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.
Compact Disc Digital Audio (CDDA or CD-DA), also known as Digital Audio Compact Disc or simply as Audio CD, is the standard format for audio compact discs. The standard is defined in the Red Book technical specifications , which is why the format is also dubbed "Redbook audio" in some contexts. [ 1 ]
Wikipedia:Merchandise for other Wikipedia-related products; Wikipedia:Version 1.0 Editorial Team; Wikipedia:Version 0.5, the first CD release from the Editorial Team, released April 2007. Wikipedia:Release Version, an official project to get together Wikipedia's best and most important articles; meta:Static content group
The unified design of the compact disc allowed consumers to purchase any disc or player from any company and allowed the CD to dominate the at-home music market unchallenged. [8] The Sony CDP-101, released in 1982, was the world's first commercially released compact disc player. It was originally sold only in Japan.
CD-ROM drives are rated with a speed factor relative to music CDs. If a CD-ROM is read at the same rotational speed as an audio CD, the data transfer rate is 150 Kbyte/s, commonly called "1×" (with constant linear velocity, short "CLV"). At this data rate, the track moves along under the laser spot at about 1.2 m/s.
The CD-i player 500 series, which includes the 550 model, which was essentially the same as the 450 with an installed digital video cartridge. It was introduced at CES Chicago in June 1994. [41] The CD-i player 600 series, which includes the 601, 602, 604, 605, 615, 660, and 670 models. The 600 series is designed for professional applications ...
A certificate of deposit (CD) is a time deposit sold by banks, thrift institutions, and credit unions in the United States. CDs typically differ from savings accounts because the CD has a specific, fixed term before money can be withdrawn without penalty and generally higher interest rates. CDs require a minimum deposit and may offer higher ...
An album (Latin albus, white), in ancient Rome, was a board chalked or painted white, on which decrees, edicts, and other public notices were inscribed in black.It was from this that in medieval and modern times, album came to denote a book of blank pages in which verses, autographs, sketches, photographs and the like are collected. [9]