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 (speech analysis-synthesis for redundancy reduction G10L19/00; for image communication H04N); Expansion; Suppression of unnecessary data, e.g. redundancy reduction > Conversion to or from variable length codes, e.g. Shannon-Fano code, Huffman code, Morse code > using table look-up for the coding or decoding process, e.g. using read-only memory