SYSTEMS, METHODS, APPARATUS, AND COMPUTER-READABLE MEDIA FOR COHERENCE DETECTION

  • US 20110038489A1
  • Filed: 10/23/2009
  • Published: 02/17/2011
  • Est. Priority Date: 10/24/2008
  • Status: Active Grant
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First Claim
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1. A method of processing a multichannel signal, said method comprising:

  • for each of a plurality of different frequency components of the multichannel signal, calculating a difference between a phase of the frequency component in a first channel of the multichannel signal and a phase of the frequency component in a second channel of the multichannel signal; and

    based on information from the plurality of calculated phase differences, calculating a value of a coherency measure that indicates a degree of coherence among the directions of arrival of at least the plurality of different frequency components.

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