×

Method and apparatus for encoding and decoding high frequency signal

  • US 10,115,407 B2
  • Filed: 10/25/2016
  • Issued: 10/30/2018
  • Est. Priority Date: 11/17/2006
  • Status: Active Grant
First Claim
Patent Images

1. A method of encoding a high band signal in an encoding device, the method comprising:

  • extracting, performed by at least one processor, a coefficient from linear prediction of a high band signal;

    encoding the extracted coefficient;

    generating a signal based on a low band signal and the extracted coefficient;

    obtaining a gain from an energy value of the high band signal and an energy value of the generated signal;

    adjusting, by the encoding device, the gain in consideration of reducing noise in a reconstructed signal at a decoding device;

    encoding the adjusted gain; and

    transmitting a bitstream including the encoded coefficient and the encoded gain to the decoding device,wherein the encoding the extracted coefficient comprises performing an interpolation process on the extracted coefficient, andwherein the high band signal has at least one of audio characteristic and speech characteristic.

View all claims
  • 0 Assignments
Timeline View
Assignment View
    ×
    ×