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Sound Encoding Device And Sound Encoding Method

  • US 20080065373A1
  • Filed: 10/25/2005
  • Published: 03/13/2008
  • Est. Priority Date: 10/26/2004
  • Status: Active Grant
First Claim
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1. A speech encoding apparatus comprising:

  • a analysis section that performs MDCT analysis on one frame of a time-domain speech signal by both a long analysis length and a short analysis length to obtain two types of transform coefficients in a frequency domain; and

    an encoding section that encodes the two types of transform coefficients.

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