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Split-band encoding and decoding of an audio signal

  • US 20080208575A1
  • Filed: 02/27/2007
  • Published: 08/28/2008
  • Est. Priority Date: 02/27/2007
  • Status: Abandoned Application
First Claim
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1. A method comprising:

  • determining a value representative of a background noise level in an audio signal that is to be encoded;

    determining a gain value for a higher frequency band of at least two frequency bands of the audio signal; and

    determining a correction factor for the determined gain value based on the determined value representative of the background noise level.

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