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Encoding and decoding of overlapping audio signal values by differential encoding/decoding

  • US 7,376,555 B2
  • Filed: 11/13/2002
  • Issued: 05/20/2008
  • Est. Priority Date: 11/30/2001
  • Status: Expired due to Fees
First Claim
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1. A method of coding an audio signal, the method comprising the steps of:

  • providing a first set of audio signal values related to subsequent times in a first time interval of the audio signal;

    providing a second set of audio signal values related to subsequent times in a second time interval of the audio signal;

    the first time interval having an overlap with the second time interval, the overlap including at least two subsequent times of the second interval; and

    wherein at least one of the audio signal values of the second set related to the at least two subsequent times in the overlap is encoded with reference to an audio signal value of the first set which is closer in time to the at least one audio signal value of the second set than any other audio signal value in the second set.

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