Method for authentication of a user on the basis of his/her voice profile
First Claim
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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Accused Products
Abstract
Voice recording used for authentication is transmitted to the voice portal of the service provider not by way of the voice channel, but rather by way of a data channel. In this connection, the voice recording is sent not synchronous to speech and subject to loss, but rather asynchronously and loss-free, in an extra data package (for example advantageously as a Multimedia Messaging Service (MMS) data package). For this purpose, the resources that are available as standard items in most mobile phone terminals, such as digital voice recording and MMS transmission, can be utilized. Preferably, the subscriber'"'"'s identification module or SIM card in the mobile phone terminal can store and implement the corresponding control program.
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Citations
5 Claims
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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:
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(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. - View Dependent Claims (2, 3, 4, 5)
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Specification