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
Oct 31, 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 its commercial introduction in 1982.
When Were CDs Invented, and How Do They Work? | HowStuffWorks
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 Sony, the CD format was finalized in 1982 and famously documented in the Red Book standard.
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.
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. At a time before...
What is compact disc (CD)? Definition, Types and More
Aug 29, 2023 · Compact discs, sometimes known as CDs, typically have a diameter of 12 cm, or 4.5 inches. There are four distinct layers in it. The top layer is used to mark the disc’s identification marks, and it may also carry printed instructions or a name identifying the contents of the device.
Hello Friend! Here‘s Everything You Could Want to Know About …
Nov 11, 2023 · 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.
Compact Disc Explained – Everything You Need To Know
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?
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.
How Does A Compact Disc (Or DVD) Work? - Science ABC
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.