The problem of adding reliability to data has already been mentioned in Section 2.12. This appendix discusses general methods for detecting and correcting errors. Reliability is, in a sense, the opposite of data compression since it is achieved by increasing data redundancy. Nevertheless, many practical situations call for reliable data, so a good data compression program should be able to use codes for increased reliability, if necessary.
KeywordsGenerate Polynomial Bell System Technical Journal Error Detection Rate Codeword Selection Valid Codeword
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