Error detection and correction: Difference between revisions

Revision as of 11:57, 16 June 2025

Revision as of 14:02, 19 June 2025

Line 4:

{{More citations needed|article|date=August 2008}}

[[File:Reed–Solomon error correction Mona Lisa LroLrLasercomFig4.jpg|thumb|To clean up transmission errors introduced by Earth's atmosphere (left), Goddard scientists applied [[Reed-Solomon_error_correction|Reed–Solomon error correction]] (right), which is commonly used in CDs and DVDs. Typical errors include missing pixels (white) and false signals (black). The white stripe indicates a brief period when transmission was interrupted.]]

In [[information theory]] and [[coding theory]] with applications in [[computer science]] and [[telecommunications]], '''error detection and correction''' ('''EDAC''') or '''error control''' are techniques that enable [[reliable delivery]] of [[digital data]] over unreliable [[communication channel]]s. Many communication channels are subject to [[channel noise]], and thus errors may be introduced during transmission from the source to a receiver. Error detection techniques allow detecting such errors, while error correction enables reconstruction of the original data in many cases.