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Method and apparatus for determining whether a verbal message was spoken during a transaction at a point-of-sale terminal

  • US 20030164398A1
  • Filed: 03/27/2003
  • Published: 09/04/2003
  • Est. Priority Date: 08/17/1998
  • Status: Active Grant
First Claim
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1. A method for determining whether a verbal message was spoken during a transaction at a point-of-sale terminal, comprising:

  • receiving an audio signal during a transaction at a point-of-sale terminal; and

    determining whether the audio signal satisfies a predetermined criterion.

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