Echo-related decisions on automatic gain control of uplink speech signal in a communications device
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United States of America Patent
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May 21, 2013
Grant Date -
Dec 8, 2011
app pub date -
Jun 3, 2010
filing date -
Jun 3, 2010
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Abstract
A method for performing a call between a near-end user and a far-end user, which includes the following operations performed during the call by the near-end user's communications device. Automatic gain control (AGC) is performed to update a gain applied to an uplink speech signal. A frame is detected in a downlink signal that contains speech; in response, the updating of the gain is frozen. Other embodiments are also described and claimed.
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