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Method for authentication of a user on the basis of his/her voice profile

  • US 8,090,410 B2
  • Filed: 07/23/2010
  • Issued: 01/03/2012
  • Est. Priority Date: 11/13/2003
  • Status: Active Grant
First Claim
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1. A subscriber'"'"'s identification module (SIM) card for a mobile phone, comprising a control program that controls the following steps:

  • (a) establishing a voice connection via a voice channel of a mobile network,(b) recording a voice sample of a user of the mobile phone, by means of a microphone of the mobile phone; and

    (c) transmitting to a server, asynchronously to speech and parallel in time with the course of a speech dialog transmitted through said voice connection, the voice sample as at least one separate data package via a data channel of the mobile phone network, wherein reduced bandwidths of the data channel are compensated by extending transmission time of the voice sample.

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