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Audibility enhancement

  • US 7,092,514 B2
  • Filed: 02/25/2004
  • Issued: 08/15/2006
  • Est. Priority Date: 02/27/2003
  • Status: Active Grant
First Claim
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1. A method of enhancing audibility of a far-end signal received at a near-end user in a telephone system by applying a gain to said far-end speech signal, the method comprising:

  • determining whether a ratio between an estimated near-end speech signal level and an estimated near-end background noise level exceeds a first threshold; and

    increasing said gain if said ratio exceeds said first threshold and at least one of said estimated near-end speech signal level and said estimated near-end background noise level exceeds a second and third threshold, respectively.

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