Echo detection and delay estimation

Details Echo detection and delay estimation Echo detection and delay estimation

H - Electricity

04

B

H04B 3/23 (2006.01)

Patent

CA 2647386

A method, apparatus, system, and program, for evaluating a call communicated between communicating devices through at least one communication path. The method comprises segmenting, into first segments, at least one first communication signal traveling from a first one of the communicating devices to a second one of the communicating devices through the at least one communication path, and segmenting, into second segments, at least one second communication signal traveling from the second one of the communicating devices to the first one of the communicating devices through the at least one communication path. The method also comprises determining predetermined call characteristics based on the first and second segments, and identifying whether an echo is present in the call based on a result of the determining.

Procédé, appareil, système et programme destiné à évaluer un appel établi entre des dispositifs de communication par l'intermédiaire d'au moins une voie de transmission. Le procédé comprend la segmentation, en premiers segments, d'au moins un premier signal de communication circulant entre un premier dispositif de communication et un second dispositif de communication par l'intermédiaire d'au moins une voie de transmission, et la segmentation, en seconds segments, d'au moins un second signal de communication circulant entre le second dispositif de communication et le premier dispositif de communication par l'intermédiaire d'au moins une voie de transmission. Le procédé comprend également la détermination des caractéristiques d'appel prédéterminées sur la base des premiers et des seconds segments, et l'identification de la présence d'un écho dans l'appel sur la base d'un résultat de détermination.

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