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C2 error

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Title: C2 error  
Author: World Heritage Encyclopedia
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Subject: Compact disc, CD ripper, DVD, C2, PMCD
Collection: Compact Disc, Dvd
Publisher: World Heritage Encyclopedia

C2 error

A C2 error is a read error of a compact disc. C2 errors can to a degree be recovered by the hardware error detection and correction scheme. 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. C2 error correction is an analysis over many interleaved frames, an improvement over C1 error correction, which analyzed just one frame, resulting in more accurate data correction.[1] C2 error correction codes are also used by the Digital Audio Tape (DAT) format.

Some copy protection schemes add false C2 errors to discs to discourage copying.


  1. ^ Decker, Logan (Winter 2002). "How To... Make MP3s". Maximum PC.

External links

  • Feurio FAQ: C2 errors
  • Explaining Common CD Errors
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