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

Child Classifications

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• H03M 7/001 +7 CPC CPC only CPC only
• H03M 7/02 Conversion to or from weighted codes, i.e. the weight given to a digit depending on the position of the digit within the block or code word since 1985 IPC+CPC Available in IPC and CPC
• H03M 7/14 Conversion to or from non-weighted codes since 1985 IPC+CPC Available in IPC and CPC
• H03M 7/26 Conversion to or from stochastic codes since 1985 IPC+CPC Available in IPC and CPC
• H03M 7/28 Programmable structures, i.e. where the code converter contains apparatus which is operator-changeable to modify the conversion process since 1985 IPC+CPC Available in IPC and CPC
• H03M 7/30 Compression (speech analysis-synthesis for redundancy reduction G10L19/00; for image communication H04N); Expansion; Suppression of unnecessary data, e.g. redundancy reduction since 1985 +12 CPC −2 IPC IPC+CPC Available in IPC and CPC