Distributed echo cancelling

Details Distributed echo cancelling Distributed echo cancelling

H - Electricity

04

B

H04B 3/23 (2006.01)

Patent

CA 2430030

A distributed echo cancelling architecture is provided where echo- cancelling functions are performed at locations remote from devices receiving signals with echoes. The echo cancelling functions use a reference signal, which has been corrupted with the echoes at the devices, for echo cancellation. As echo canceller resources are located at a central system and not at each individual device, the echo canceller resources can therefore be shared between the devices.

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