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Device, system, and method of liveness detection utilizing voice biometrics

  • US 9,484,037 B2
  • Filed: 10/27/2014
  • Issued: 11/01/2016
  • Est. Priority Date: 11/26/2008
  • Status: Active Grant
First Claim
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1. An apparatus comprising:

  • at least one machine-readable medium storing a plurality of voice-prints corresponding to voice characteristics of respective enrolled users; and

    at least one processor programmed to perform;

    providing a first prompt to obtain a text-dependent audio sample from a user at an evaluation stage;

    providing a second prompt to obtain a text-independent audio sample from the user at the evaluation stage;

    andcomparing a voice print of the text-dependent audio sample and the text-independent audio sample;

    making an authentication decision about the user based, at least in part, on results of;

    a comparison between the text-dependent audio sample and a voice print from an enrollment audio sample received at an enrollment stage and the comparison between the voice print of the text-dependent audio sample and the text-independent audio sample.

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