×

Encoding method and apparatus, decoding method and apparatus and recording medium

  • US 6,169,973 B1
  • Filed: 03/25/1998
  • Issued: 01/02/2001
  • Est. Priority Date: 03/31/1997
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for encoding plural input audio signals, comprising the steps of:

  • generating plural lower frequency signals and higher frequency signals by splitting a signal derived from the plural input audio signals, wherein a number of the higher frequency signals is less than that of the plural input audio signals;

    encoding each of said plural lower frequency signals;

    encoding said higher frequency signals and generating encoding information obtained on said step of encoding said higher frequency signals; and

    generating a codestring based on signals encoded by said step of encoding each of said lower frequency signals, the step of encoding said higher frequency signals and on said encoding information.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×