Adaptive echo canceller

Details Adaptive echo canceller Adaptive echo canceller

H - Electricity

04

B

340/72

H04B 3/23 (2006.01)

Patent

CA 1219648

"Adaptive Echo Canceler" ABSTRACT In order to prevent tap coefficient values from drifting toward excessively large values or divergence, an adaptive echo canceller is provided with a correction signal controller which (a) reduces the tap coefficient values upon the polarities of the tap coefficient signal and the tap coefficient correction signal coinciding and (b) increases the tap coefficient values upon the polarities differing.

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