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Enhanced coded speech

  • US 20030097256A1
  • Filed: 11/08/2001
  • Published: 05/22/2003
  • Est. Priority Date: 11/08/2001
  • Status: Active Grant
First Claim
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1. A method for increasing quality of an enhanced output signal to approximate an undistorted sound signal, the method comprising steps of:

  • receiving a distorted input signal that includes an embedded corrupting signal, wherein the embedded corrupting signal is statistically related to the undistorted sound signal;

    determining an enhancement signal by finding a difference between the distorted input signal and the enhanced output signal, whereby the enhancement signal attempts to offset the embedded corrupting signal;

    analyzing the enhancement signal; and

    producing the enhanced output signal, based at least in part upon the analyzing step.

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