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Apparatus and method for detecting user speech

  • US 20050071158A1
  • Filed: 09/25/2003
  • Published: 03/31/2005
  • Est. Priority Date: 09/25/2003
  • Status: Abandoned Application
First Claim
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1. An apparatus for detecting user speech comprising:

  • a first microphone and at least a second microphone each operable to generate sound signals with respective signal characteristics;

    the first microphone operable to capture a greater proportion of speech sounds of a user than the second microphone;

    processing circuitry operable to process the signal characteristics of the sound signals generated by the first microphone and the second microphone to determine variations in those signal characteristics for determining if the user is speaking.

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