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Flexible and Scalable Combined Innovation Codebook for Use in CELP Coder and Decoder

  • US 20120089389A1
  • Filed: 04/11/2011
  • Published: 04/12/2012
  • Est. Priority Date: 04/14/2010
  • Status: Active Grant
First Claim
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1. A combined innovation codebook coding device, comprising:

  • a pre-quantizer of a first, adaptive-codebook excitation residual, the pre-quantizer operating in transform-domain; and

    a CELP innovation-codebook module responsive to a second excitation residual produced from the first, adaptive-codebook excitation residual.

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