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Methods and apparatus for information encoding and decoding based upon tonal components of plural channels

  • US 5,758,316 A
  • Filed: 06/13/1995
  • Issued: 05/26/1998
  • Est. Priority Date: 06/13/1994
  • Status: Expired due to Fees
First Claim
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1. A signal encoding method, comprising the steps of:

  • converting plural-channel input signals into frequency components;

    separating the frequency components into first signals made up of tonal components and second signals made up of other components;

    encoding the first signals of at least two of the plural channels, the encoding being one of encoding in common the first signals of each of at least two of the plural channels and separately encoding the first signals of each of the at least two of the plural channels.

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