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Multi-speaker method and apparatus for leakage cancellation

  • US 10,217,451 B2
  • Filed: 01/05/2018
  • Issued: 02/26/2019
  • Est. Priority Date: 08/21/2015
  • Status: Active Grant
First Claim
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1. A multi-speaker system comprising:

  • a plurality of first speakers;

    a second speaker;

    a processor configured to apply, to individual speakers in the plurality of first speakers, input audio signals, the plurality of first speakers configured to output the input audio signals such that the input audio signals acoustically propagate to a listening area via a plurality of direct paths and via a plurality of indirect paths; and

    a plurality of filters corresponding to the second speaker, wherein each filter in the plurality of filters is configured to generate a second signal, wherein the plurality of filters are configured to provide the second signals to the second speaker,wherein the second signals applied to the second speaker by the plurality of filters collectively at least attenuate the input audio signals acoustically propagated by the plurality of first speakers to the listening area via the plurality of direct paths to increase audibility of the input audio signals acoustically propagated to the listening area via the plurality of indirect path.

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