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Apparatus and method for encoding at least one parameter associated with a signal source

  • US 8,725,500 B2
  • Filed: 11/19/2008
  • Issued: 05/13/2014
  • Est. Priority Date: 11/19/2008
  • Status: Active Grant
First Claim
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1. An audio signal encoding apparatus for encoding at least one audio signal parameter associated with a signal source for transmission over k frames of an encoded bitstream, the apparatus comprising:

  • a processor configured in operation to;

    assign a predetermined bit pattern to n bits associated with the at least one audio signal parameter of a first frame of k frames, the predetermined bit pattern indicating a start of the at least one audio signal parameter; and

    set the n bits associated with the at least one audio signal parameter of each of k−

    1 subsequent frames to values, such that the values of the n bits of the k−

    1 subsequent frames represent the at least one audio signal parameter;

    wherein the values of the n bits in each of the k−

    1 subsequent frames are selected to be different to values of the n bits of the predetermined bit pattern; and

    wherein the at least one audio signal parameter is encoded within (2n

    1)(k-1) values provided by the n bits of the k−

    1 frames.

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