Method of adaptation step control in echo cancellers

Details Method of adaptation step control in echo cancellers Method of adaptation step control in echo cancellers

H - Electricity

04

M

H04M 1/20 (2006.01) G10K 11/178 (2006.01) H04B 3/23 (2006.01) H04M 3/18 (2006.01)

Patent

CA 2514434

A method is set forth for calculating an expected Echo Return Loss Enhancement (ERLE) in an echo canceller. The expected ERLE is used to control the adaptation step of an adaptive filter in the echo canceller. Also, a novel echo canceller is set forth where the adaptation step of its adaptive filter is controlled based on the expected ERLE.

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