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Apparatus and Method for Encoding a Multi-Channel Audio Signal

  • US 20110085671A1
  • Filed: 09/09/2008
  • Published: 04/14/2011
  • Est. Priority Date: 09/25/2007
  • Status: Active Grant
First Claim
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1. An apparatus for encoding a multi channel audio signal, the apparatus comprising:

  • a receiver for receiving the multi channel audio signal comprising at least a first audio signal from a first microphone and a second audio signal from a second microphone;

    a time difference unit for determining an inter time difference between the first audio signal and the second audio signal;

    a delay unit for generating a compensated multi channel audio signal from the multi channel audio signal by delaying at least one of the first audio signal and the second audio signal in response to the inter time difference signal;

    a mono unit for generating a mono signal by combining channels of the compensated multi channel audio signal; and

    a mono signal encoder for encoding the mono signal.

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