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Speech or audio encoding of variable frequency tonal components and non-tonal components

  • US 5,832,424 A
  • Filed: 05/27/1997
  • Issued: 11/03/1998
  • Est. Priority Date: 09/28/1993
  • Status: Expired due to Term
First Claim
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1. A method for encoding an input signal comprising the steps of:

  • breaking down the input signal into frequency components;

    separating the frequency components into a first signal made up of a plurality of tonal components and a second signal made up of other components, the number of the frequency components making up the tonal components being variable;

    encoding said first signal; and

    encoding said second signal.

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