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Look up underrun in Wiktionary, the free dictionary. In computing, buffer underrun or buffer underflow is a state occurring when a buffer used for communicating between two devices or processes is fed with data at a lower speed than the data is being read from it. The term is distinct from buffer overflow, a condition where a portion of memory ...
Compact Disc and DVD copy protection. CD/DVD copy protection is a blanket term for various methods of copy protection for CDs and DVDs. Such methods include DRM, CD-checks, Dummy Files, illegal tables of contents, over-sizing or over-burning the CD, physical errors and bad sectors. Many protection schemes rely on breaking compliance with CD and ...
A CD drive can have extraction errors when the data on the disc is not readable due to scratches or smudges. The drive can compensate by supplying a "best guess" of what the missing data was, then supplying the missing data.
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.
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.
CD player. 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 ...
Pregap. The pregap on a Red Book audio CD is the portion of the audio track that precedes " index 01" for a given track in the table of contents (TOC). The pregap ("index 00") is typically two seconds long and usually, but not always, contains silence. Popular uses for having the pregap contain audio are live CDs, track interludes, and hidden ...
CDBurnerXP is an optical disc authoring utility for Windows 2000 and later, written mostly in Visual Basic .NET as of version 4, released in September 2007. [4] It has international language support. The software is available to download in both 32-bit and 64-bit variants. The program supports burning data on CD-R, CD-RW, DVD-R, DVD-RW, DVD+R ...