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.

Jan 13, 2025 · 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.

Mar 6, 2024 · A compact disc or CD is a disc that's made of plastic and used to store data such as video, audio and text files. Compact discs replaced floppy discs because they are more efficient to use and can store more data.

Jul 28, 2023 · Compact discs are portable storage devices used for recording, storing, and playing video, audio, and other forms of digital data. So how does the compact disc work? Whenever a CD is played, a laser beam focuses on the CD’s data track as it rapidly spins around; the laser beam reflects differently off the aluminum layer of the CD — the ...

Aug 29, 2023 · What is a CD (Compact Disk)? 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.

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.

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.

Oct 19, 2023 · What Is A Compact Disc? Compact disc CD is a digital storage format for optical media jointly developed by Philips and Sony. The CD format was originally developed for storing and playing sound recordings but was later adapted for storing data.

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.

compact disc (CD), Molded plastic disc containing digital data that is scanned by a laser beam for the reproduction of recorded sound or other information. After its commercial introduction in 1982, the audio CD became the dominant format for high-fidelity recorded music for several decades.