Compact 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.
Compact disc (CD) | Definition & Facts | Britannica
2024年12月22日 · 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 its commercial introduction in 1982.
Compact Disc Explained – Everything You Need To Know
2023年7月28日 · What is a compact disc? Compact discs are small plastic discs used to store digital information, such as music, video, etc. When was the compact disc invented? October 1982. How much did compact discs cost? $1,000 in 1982. What are compact discs used for? Compact discs were initially used for audio and data storage. What is an example of a ...
Compact Disc Digital Audio - Wikipedia
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]
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2023年11月11日 · In this epic deep dive, we‘ll explore all aspects of the compact disc (CD) – from its origins in the 1960s to how CDs work technically to their rise and fall from popularity. We‘ll also analyze the incredible influence CDs had on music, tech, and pop culture.
What is compact disc (CD)? | Definition from TechTarget
A compact disc is a portable storage medium that can record, store and play back audio, video and other data in digital form. A standard compact disc measures 4.7 inches, or 120 millimeters (mm), across, is 1.2 mm thick, weighs between 15 grams and 20 grams, and has a capacity of 80 minutes of audio, or 650 megabytes ( MB ) to 700 MB of data.
When Were CDs Invented, and How Do They Work? | HowStuffWorks
2024年3月6日 · 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 Sony, the CD format was finalized in 1982 and famously documented in the Red Book standard.
What is compact disc (CD)? Definition, Types and More
2023年8月29日 · 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.
Compact Disc - Encyclopedia.com
2018年6月8日 · compact disc (CD) Disc used for high-quality digital sound reproduction. It is a plastic disc with a shiny metal layer and a transparent protective plastic coating. The sound signal consists of millions of minute pits, pressed into one side of the metal.
The history and evolution of the compact disc (CD)
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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