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System and method for voice authentication

  • US 9,898,723 B2
  • Filed: 12/18/2013
  • Issued: 02/20/2018
  • Est. Priority Date: 12/19/2012
  • Status: Active Grant
First Claim
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1. A method for authenticating a user for a transaction, comprising:

  • receiving, by a device, a user request to initiate the transaction;

    transmitting, by the device and to a server computer, a notification of the user request to the initiate the transaction;

    in response to transmitting the notification to the server computer, receiving, by the device and from the server computer, a supplemental signal comprising an inaudible sound and an element unique to the transaction;

    in response to receiving the supplemental signal, displaying, by the device, a word string to be repeated by the user, wherein the word string comprises a random element and a fixed element;

    playing, by the device, the received supplemental signal;

    concurrently recording, by the device, (a) an audio segment originating from the user while the user attempts to vocally reproduce the displayed word string and (b) the received supplemental signal; and

    sending, by the device, the concurrently recorded audio segment and the received supplemental signal, to the server computer, wherein the server computer authenticates the user based at least in part on (a) the sent audio segment matching with a voice profile associated with the user and (b) the supplemental signal sent by the device matching the supplemental signal originally received by the device.

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