Echo cancelling/suppression for handsets
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United States of America Patent
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-
Feb 14, 2006
Grant Date -
N/A
app pub date -
Jan 20, 2000
filing date -
Mar 26, 1999
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A method for suppressing echo signals generated in a communication path such as acoustic coupling between a speaker and a microphone in a telephone device handset includes the steps of monitoring signals supplied to the communication path to determine an attribute thereof and masking signals received from the communication path as a function of the determined attribute of the monitored signals thereby to suppress echo.
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