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A CD player is an electronic device that plays audio compact discs, which are a digital optical disc data storage format. CD players were first sold to consumers in 1982. CDs typically contain recordings of audio material such as music or audiobooks. CD players may be part of home stereo systems, car audio systems, personal computers, or ...
For example, audio tracks on such media cannot be easily added to a personal music collection on a computer's hard disk or a portable (non-CD) music player. Also, many ordinary CD audio players (e.g. in car radios) had problems playing copy-protected media, mostly because they used hardware and firmware components also used in CD-ROM drives ...
Optical disc packaging. Stacks of compact disc jewel cases. Optical disc packaging is the packaging that accompanies CDs, DVDs, and other formats of optical discs. Most packaging is rigid or semi-rigid and designed to protect the media from scratches and other types of exposure damage.
Pioneer CDJ-1000s in use. The CDJ-1000 (retroactively known as the MK1 after the release of MK2) was introduced in 2001. Featuring "Vinyl Mode" which dramatically improved jog wheel performance, the CDJ-1000 was generally accepted as the first CD player that could accurately emulate a vinyl turntable - including the ability to scratch - soon established the CDJ-1000 as an industry standard for ...
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 computer data storage purposes ...
DVD region code. Restricts region where media can be played by matching region number with configuration flag in DVD players. LaserLock. Includes hidden directory on the CD containing corrupted data which will cause errors while being copied. SafeDisc (version 4) See SafeDisc (versions 1-5) in previous section. SecuROM.
Compact Disc subcode. Subcode or subchannel data (called control bytes in the CD-ROM specification) refers to data contained in a compact disc (CD) in addition to digital audio or user data, which is used for control and playback of the CD. The original specification was defined in the Red Book standard for Compact Disc Digital Audio, though ...
Disc rot. Disc rot is the tendency of CD, DVD, or other optical discs to become unreadable because of chemical deterioration. The causes include oxidation of the reflective layer, reactions with contaminants, ultra-violet light damage, and de-bonding of the adhesive used to adhere the layers of the disc together.