Longitudinal redundancy check
ERROR DETECTION NUMBER CALCULATED OVER A SERIAL DATA STREAM
Horizontal redundancy check; ISO 1155; Optimal rectangular code; Optimal Rectangular Code; ORC (code)
In telecommunication, a longitudinal redundancy check (LRC), or horizontal redundancy check, is a form of redundancy check that is applied independently to each of a parallel group of bit streams. The data must be divided into transmission blocks, to which the additional check data is added.