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DECODER, ENCODER, AND METHODS THEREOF

  • US 20130085752A1
  • Filed: 05/27/2011
  • Published: 04/04/2013
  • Est. Priority Date: 06/11/2010
  • Status: Active Grant
First Claim
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1. A decoding apparatus that receives and decodes first coded data generated through speech coding and second coded data generated through music coding, the apparatus comprising:

  • a first decoding section that performs an orthogonal transformation on a signal obtained by decoding the first coded data, to generate a first spectrum;

    a second decoding section that decodes the second coded data to generate a second spectrum;

    an identification section that identifies a first band in which a degree of suppression of an amplitude of the first spectrum is adjusted, using the second spectrum; and

    a suppressing section that suppresses an amplitude of the first band of the first spectrum based on the adjusted degree.

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