Feedback cancellation for vehicle communications system
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United States of America Patent
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Jan 17, 2017
Grant Date -
Oct 2, 2014
app pub date -
Mar 27, 2014
filing date -
Mar 27, 2013
priority date (Note) -
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status (Latency Note)
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Abstract
The present disclosure relates to a system and method of cancelling feedback in a vehicle communications system. The system and method may adjust a phase and a polarity of the microphone signal to produce an inverted microphone signal having a shifted phase. A speaker signal may be summed with the inverted microphone signal to cancel out at least a portion of a microphone signal component of the speaker signal.
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