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In-vehicle communication signal processing

  • US 10,002,601 B2
  • Filed: 07/21/2016
  • Issued: 06/19/2018
  • Est. Priority Date: 12/30/2015
  • Status: Active Grant
First Claim
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1. A system comprising:

  • a feedback filter configured to receive an audio signal from a microphone and to process the audio signal based on a feedback path between a loudspeaker and the microphone;

    a second feedback filter configured to receive the audio signal from the microphone and to process the audio signal based on a second feedback path between a second loudspeaker and the microphone, wherein the second feedback path is distinct from the feedback path;

    an adaptive filter coupled to the feedback filter and to the second feedback filter; and

    a signal combiner coupled to the microphone and to the adaptive filter.

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