Pulse code modulation translators

Details Pulse code modulation translators Pulse code modulation translators

H - Electricity

03

M

354/103

H03M 7/50 (2006.01) H03K 17/687 (2006.01) H03K 17/693 (2006.01)

Patent

CA 1249371

ABSTRACT The present translators are able to translate a linear PCM code into a companded PCM code according to the A- or mu-law and vice-versa. Each translator calculates a corresponding relatively simple function wherein only one parameter (K') is dependent on a control bit (A) whose value indicates the A-law or the mu-law respectively. The invention also describes a shift register cell and a multiplier device used in these translators. It was implemented on a 2 mm2 silicon area using NP-CMOS.

462951

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