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Audio signal decoder and method for producing a scaled reconstructed audio signal

  • US 8,219,408 B2
  • Filed: 12/29/2008
  • Issued: 07/10/2012
  • Est. Priority Date: 12/29/2008
  • Status: Expired due to Fees
First Claim
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1. An apparatus that decodes a multiple channel audio signal, comprising:

  • a decoder that receives a coded audio signal, a coded balance factor and a coded gain value;

    a gain vector decoder of an enhancement layer decoder that generates a decoded gain value from the coded gain value;

    a scaling unit of the enhancement layer decoder that scales the coded audio signal with the decoded gain value to generate a scaled audio signal;

    a signal combiner that applies the coded balance factor to the scaled audio signal to generate a decoded multiple channel audio signal and outputs the decoded multiple channel audio signal.

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