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ENHANCED CONVERSION OF WIDEBAND SIGNALS TO NARROWBAND SIGNALS

  • US 20090281796A1
  • Filed: 07/10/2009
  • Published: 11/12/2009
  • Est. Priority Date: 01/24/2001
  • Status: Active Grant
First Claim
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1. A device, comprising:

  • a first element for creating a synthesized wideband speech signal; and

    a second element for enhancing the synthesized wideband speech signal,wherein the second element further comprises;

    a post-filter element; and

    a filter for emphasizing a portion of the frequency spectrum of the synthesized wideband speech signal to output a signal with a non-flat frequency spectrum.

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