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Encyclopedia > Overburning
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Overburning in computer storage is the process of recording data past the normal size limit on a recordable compact disc. Jump to: navigation, search This article needs to be cleaned up to conform to a higher standard of quality. ... Jump to: navigation, search Interference colors. ...

Many disc manufacturers extend a recordable disc to leave a small margin of extra groove at the outer edge. This lead-out was originally intended to provide tolerance for the read head of an audio CD player should it overseek, by providing a padding of up to 90 seconds of silent digital audio.

Recording onto the lead-out is possible with some combinations of CD recorder and authoring software. The actual amount of data that it will hold depends ultimately on the recordable media and varies somewhat between brands of disc, with some being up to 10% of the total disc capacity. A CD-R (Compact Disc-Recordable) is a thin (1. ... In computing, CD authoring or DVD authoring is the process of recording source material—video, audio or other data—onto a compact disc or DVD in a particular format. ...

Almost all CD-ROM drives are capable of reading from the lead-out. For this reason, software publishers have on occasion shipped their software on similarly oversized compact discs to reduce packaging costs. Oversized discs have also been used as a form of copy protection because it is more difficult to record copies of them. The CD-ROM (an abbreviation for Compact Disc Read-Only Memory (ROM)) is a non-volatile optical data storage medium using the same physical format as audio compact discs, readable by a computer with a CD-ROM drive. ... Copy prevention, also known as copy protection, is any technical measure designed to prevent duplication of information. ...

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  Results from FactBites:
Mariposa Home of the CDR Guide (1020 words)
From a point of view, overburning can be easily justified as regaining the extra space normally kept for the leadout area, so you can almost safely burn 15MB over the official specifications to reach 665MB (these 15MB are the equivalent of the 90 seconds normally intended for the leadout as defined in the official specifications).
Overburning with 80min media is also possible, but the risks are equally increased.
Transferring your data on a cd can be a risk by itself; overburning when doing so can be really asking for trouble, especially if you go to the very limit of the overburning capacity, and you can end up with a cd with some unreadable files.
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