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See all on WikipediaCompact disc - Wikipedia
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 provides 74 minutes of audio on a disc. In later years, the compact disc was adapted for non-audio … See more
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 … See more
• Comparison of popular optical data-storage systems
• Optical disc packaging
• Extended Resolution Compact Disc
• High Definition Compatible Digital – Proprietary backward-compatible CD audio format See moreAudio 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 creators, Sony and Philips. The document is known … See moreIn 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 … See more
The Red Book audio specification, except for a simple "anti-copy" statement in the subcode, does not include any copy protection mechanism. … See more
• Ecma International. Standard ECMA-130: Data Interchange on Read-only 120 mm Optical Data Disks (CD-ROM), 2nd edition (June 1996). See more
Wikipedia text under CC-BY-SA license When Were CDs Invented, and How Do They Work?
Mar 6, 2024 · The invention of the standard compact disc revolutionized the way music, data, and later video were stored and distributed, marking a significant leap from analog to digital storage media. Developed jointly by Philips and …
Compact disc (CD) | Definition & Facts | Britannica
Sep 21, 2024 · Compact disc, a molded plastic disc containing digital data that is scanned by a laser beam for the reproduction of recorded sound and other information. Learn more about the history of the compact disc, starting with …
What is compact disc (CD)? Definition, Types and More …
Aug 29, 2023 · Compact disc is portable storage devices used for storing digital data like recording, storing, and playing video, and audio. Compact Disc can be explained as a disc-like memory device made from plastic material.
How compact disc is made - material, manufacture, …
A compact disc is a deceptively simple looking device considering the technology required to make it. CDs consist of three layers of materials: A base layer made of a polycarbonate plastic.
How do CD and DVD players work? - Explain that Stuff
Feb 17, 2022 · A compact disc is a thin, circular disc of metal and plastic about 12cm (just over 4.5 inches) in diameter. It's actually made of three layers. Most of a CD is made from a tough, brittle plastic called polycarbonate. Sandwiched in …
How Do Compact Discs (CDs) Work?
Feb 6, 2010 · Explore The Basics Of Compact Discs (CDs), Including; How They Work, What They Are Made Of, and How Lasers Read Them. Visit Today To Learn More.
Visualizing the Inner Workings of a Compact Disk
The CD diagram can be further divided into different sections. The innermost part of the CD is called the hub, which is where the CD is mounted on the spindle of the CD player or drive. …
How compact disc player is made - material, …
The various components include a housing cabinet, an optical pick-up assembly, and printed circuit boards (PCBs), which contain microchips that direct the electronic processes of the system. The cabinet that houses the …
The Analog Compact Disc - Stereophile.com
Dec 25, 1994 · A compact disc is a piece of polycarbonate (a type of plastic) on which a spiral track has been impressed. This spiral track is a series of indentations ("pits") separated by flat areas ("land"). This alternating pit-and …
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