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Information encoding method and apparatus, information decoding method and apparatus information transmission method and information recording medium

  • US 5,752,224 A
  • Filed: 06/04/1997
  • Issued: 05/12/1998
  • Est. Priority Date: 04/01/1994
  • Status: Expired due to Term
First Claim
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1. An information encoding method comprisingresolving an input signal into frequency components,gain controlling the input signal to be resolved into frequency components,encoding the output information resolved into the frequency components and the control information for gain control, andselecting a gain control quantity at an acutely increased portion of the waveform signal from a plurality of magnitudes, with the maximum value of the gain control quantity being 40 dB or more.

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