Selectively adaptable far-end echo cancellation in a packet voice system
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United States of America Patent
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Mar 31, 2015
Grant Date -
Nov 14, 2013
app pub date -
Jul 19, 2013
filing date -
Dec 23, 2002
priority date (Note) -
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Abstract
A packet voice transceiver adapted to reside at a first end of a communication network and to send an ingress communication signal comprising voice packets to, and receive an egress communication signal comprising voice packets from, a second packet voice transceiver residing at a second end of the communication network. The packet voice transceiver includes a far-end echo canceller that reduces echo that is present in the egress communication signal. The far-end communicates with other functional components of the transceiver system and cancels echo or refrains from canceling echo based on the activity of the other functional components.
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