- Copilot AnswerThe compact disc is a digital optical disc data storage format that was co-developed by Philips and Sony to store and play digital audio recordings. It uses the Compact Disc Digital Audio format which typically provides 74 minutes of audio on a disc. In later years, the compact disc was adapted for non-audio computer data storage purposes as CD-ROM and its derivatives. First released in Japan in October 1982, the CD was the second optical disc technology to be invented, after the much larger LaserDisc. By 2007, 200 billion CDs had been sold worldwide.Media typeOptical discRead mechanism780 nm wavelength (infrared) semiconductor laser (early players used helium–neon lasers),Overview
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. It uses the Compact Disc Digital Audio format which typically pr… See more
Compact disc - Wikipedia
A CD is made from 1.2-millimetre (0.047 in) thick, polycarbonate plastic, and weighs 14–33 grams.From the center outward, components are: the center spindle hole (15 mm), the first-transition area (clamping ring), the clamping area (stacking ring), the second-transition area (mirror band), the program (data) area, … See more
- Audio CD
- The logical format of an audio CD (officially Compact Disc Digital Audio or CD-DA) is described in a document produced in 1980 by the format's joint … See more
In 1995, material costs were 30 cents for the jewel case and 10 to 15 cents for the CD. The wholesale cost of CDs was $0.75 to $1.15, while the typical retail price of a prerecorded music CD was $16.98. … See more
- Recordable CD
- Recordable Compact Discs, CD-Rs, are injection-molded with a "blank" data spiral. A photosensitive dye is then applied, after which the discs are metalized and lacquer-coated. The write laser of the CD recorder changes the color of the dye to allow … See more
The Red Book audio specification, except for a simple "anti-copy" statement in the subcode, does not include any copy protection mechanism. Known at least as early as 2001, attempts were made by record companies to market "copy-protected" non-standard compact discs, which cannot be ripped, or copied, to hard drives or easily converted to … See more
When Did CDs Come Out & What Was the First? | Disc …
Sep 28, 2022 · There are a few albums vying for the title of “first CD ever released,” and how you phrase the question makes a difference. When did CDs come out? October 1st, 2022 marks the 40th anniversary of the release of the …
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History of the CD: 40 years of the compact disc - BBC
Mar 12, 2019 · Forty years ago the world got its first glimpse of what would become one of the most important music devices in history - the compact disc (CD). The CD was invented in 1979.
How Billy Joel's '52nd Street' Became the First Compact …
Oct 1, 2012 · Already a platinum hit, Billy Joel's '52nd Street' became the first compact disc to be commercially released on Oct. 1, 1982.
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First compact disc - Guinness World Records
The standard for the compact disc was first proposed by Philips (Netherlands) and Sony (Japan) in 1980, and agreed upon in 1981 by the Compact Disc Standard Digital Audio Disc …
Compact Disc Explained – Everything You Need To …
Jul 28, 2023 · The first workable digital compact disc device, the precursor to now-ubiquitous CD/DVDs, was invented in the late 1960s by the American physicist James Russell. In 1953, Russell earned his Bachelor’s degree in …
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History: On this day in 1982, the compact disc was …
Exactly 25 years ago, on August 17, 1982, Royal Philips Electronics manufactured the world's first compact disc at a Philips factory in Langenhagen, just outside of Hanover, Germany. The invention of the CD ushered in a …
The Compact Disc (CD) is Developed : History of Information
The first album to be released on CD was Billy Joel's 52nd Street, that reached the market alongside Sony's CD player CDP-101 on October 1, 1982 in Japan. Early the following year on …
Rock on! The compact disc turns 30 | CNN Business
Sep 28, 2012 · The first compact discs could hold up to 74 minutes of music (the rumor was that the length of Beethoven’s Ninth Symphony established that standard) or at least several songs more than a...
The First Music CD - This Day in Tech History
Aug 17, 2024 · “The Visitors” by ABBA becomes the world’s first commercial music compact disc (CD) manufactured, pressed in Langenhagen, Germany by Polygram Records, a subsidiary of Royal Phillips Electronics. Phillips and …
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