Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Full Title

Conversion of a code where information is represented by a given sequence or number of digits to a code where the same information is represented by a different sequence or number of digits > Compression; Expansion; Suppression of unnecessary data, e.g. redundancy reduction

Classification Context

Section:

ELECTRICITY

Class:

ELECTRONIC CIRCUITRY

Subclass:

CODING, DECODING OR CODE CONVERSION, IN GENERAL

Related Keywords

Child Classifications

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• H03M 7/32 Conversion to or from delta modulation, i.e. one-bit differential modulation
• H03M 7/36 Conversion to or from differential modulation with several bits, i.e. the difference between successive samples being coded by more than one bit
• H03M 7/4 Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code
• H03M 7/46 Conversion to or from run-length codes, i.e. by representing the number of consecutive digits, or groups of digits, of the same kind by a code word and a digit indicative of that kind
• H03M 7/5 Conversion to or from non-linear codes, e.g. companding