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Encoder, method of encoding, and computer-readable recording medium

  • US 20080097751A1
  • Filed: 10/11/2007
  • Published: 04/24/2008
  • Est. Priority Date: 10/23/2006
  • Status: Active Grant
First Claim
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1. An encoder that performs a high-pass encoding process for dividing an input signal into frames formed of certain samples and calculating a plurality of parameters indicating characteristics of a high-frequency component in the input signal to generate encoded data of high-frequency component, comprising:

  • an upper-limit number-of-bit storage unit that stores an upper limit of a number of bits of the encoded data of high-frequency component finally generated in the high-pass encoding process; and

    a number-of-bit controller that controls the high-pass encoding process so that the number of bits of the encoded data of high-frequency component finally generated in the high-pass encoding process becomes equal to or less than the upper limit stored in the upper-limit number-of-bit storage unit.

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