Echo canceller in a communication system at a terminal

Details Echo canceller in a communication system at a terminal Echo canceller in a communication system at a terminal

H - Electricity

04

M

H04M 9/08 (2006.01)

Patent

CA 2394370

The invention concerns a device for processing echo in a communication system at a terminal comprising a first transducer (4) and a second transducer (5), said echo processing device (1, 101, 201) itself including an adaptive echo cancelling device (3, 103, 203). The invention is characterised in that said echo processing device comprises a device (2. 102, 202) processing residual echo at the output of said adaptive echo cancelling device (3, 103, 203).

La présente invention concerne un dispositif de traitement de l'écho dans un système de communication au niveau d'un terminal comprenant un premier transducteur (4) et un second transducteur (5), ledit dispositif de traitement de l'écho (1, 101, 201) comprenant quant à lui un dispositif adaptatif d'annulation d'écho (3, 103, 203). Il est caractérisé en ce que ledit dispositif de traitement de l'écho comprend un dispositif (2, 102, 202) de traitement de l'écho résiduel en sortie dudit dispositif adaptif d'annulation d'écho (3, 103, 203).

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