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AUDIO SIGNAL PROCESSING FOR CERTIFICATION ENHANCEMENT IN A HANDHELD WIRELESS COMMUNICATIONS DEVICE

  • US 20090253457A1
  • Filed: 12/08/2008
  • Published: 10/08/2009
  • Est. Priority Date: 04/04/2008
  • Status: Abandoned Application
First Claim
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1. A handheld wireless communications device having an adjustable volume setting, comprising:

  • an uplink audio processor; and

    a downlink audio processor, at least one of the uplink and downlink audio processors has a noise suppressor, the noise suppressor to attenuate its output signal in accordance with a delay parameter, the delay parameter controls how much the onset of said attenuation is delayed,wherein the delay parameter is automatically set to indicate a short delay when the communications device is at a higher volume setting, and a long delay when the device is at a lower volume setting.

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