Echo cancelling/suppression for handsets

Details Echo cancelling/suppression for handsets Echo cancelling/suppression for handsets

H - Electricity

04

B

H04B 3/23 (2006.01) H04B 7/015 (2006.01) H04M 1/20 (2006.01) H04M 9/08 (2006.01)

Patent

CA 2293911

A method for suppressing echo signals generated in a communication path such as acoustic coupling between a speaker and a microphone in a telephone device handset includes the steps of monitoring signals supplied to the communication path to determine an attribute thereof and masking signals received from the communication path as a function of the determined attribute of the monitored signals thereby to suppress echo.

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