Compact disc (CD) is a digital optical disc data storage format that was co-developed by Philips and Sony and released in 1982. The format was originally developed to store and play only digital audio recordings (CD-DA) but was later adapted for storage of data (CD-ROM).
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Compact Disc Digital Audio (CDDA or CD-DA), also known as Audio CD, is the standard format for audio compact discs. The standard is defined in the Red Book, one of a series of Rainbow Books (named for their binding colors) that contain the technical specifications for all CD formats.
A Compact Disc, also called a CD are small plastic discs which store and retrieve computer data or music using light. Compact Discs replaced floppy disks because they were faster and could hold more information. The CDs made floppy disks become obsolete. CDs were invented by both Philips and Sony at the same time, but not together.
Compact disc−CD — computer storage media on 120 mm optical discs. Commonly used for digital audio and video storage and playback. The main article for this category is Compact disc.
Ing Compact Disc (a ausan da mu namang CD) metung yang optical disc a gagamitan king pamagsimpan (storage) king digital data.Aniang mumuna, meyalkus ya bang magsimpan mu kareng makasimpan a katni o sound recording, oneng kaibat, miliari ya mu namang magdala kareng aliwang uri ning data.
A CD-ROM (/ ˌsiːdiːˈrɒm /, compact disc read-only memory) is a pre-pressed optical compact disc that contains data. Computers can read—but not write to or erase—CD-ROMs, i.e. it is a type of read-only memory.
Compact disc bronzing, or CD bronzing, is a specific variant of disc rot, a type of corrosion that affects the reflective layer of compact discs and renders them unreadable over time. The phenomenon was first reported by John McKelvey in the September/October 1994 issue of American Record Guide.
The Compact Disc-Interactive (CD-I, later CD-i) is a digital optical disc data storage format that was mostly developed and marketed by Dutch company Philips. It was created as an extension of CDDA and CD-ROM and specified in the Green Book, co-developed by Philips and Sony, to combine audio, text and graphics.
Super Audio CD (SACD) is a read-only optical disc format for audio storage, introduced in 1999. It was developed jointly by Sony and Philips Electronics, and intended to be the successor to the Compact Disc (CD) format. The SACD format offers more audio channels (e.g. surround sound), a higher bit rate, and longer playing time than a ...
Diversos outros formatos foram depois derivados deste, incluindo o CD de áudio e dados , mídias regraváveis , o Video Compact Disc , o Super Video Compact Disc , o Photo CD, Picture CD, CD-i, Enhanced Music CD, dentre outros. Os CDs de áudio e leitores de CD são comercializados desde o início dos anos 80.