发明名称 Voice authentication with means to prevent playback attacks
摘要 The method involves comparing an actual tuning profile with an initial tuning profile that is stored in an authorizing database. An access control signal for granting or refusing an access is output based on results of comparison step. The comparison of profiles includes quantitative similarity evaluation of the actual and stored tuning profiles and threshold value discrimination of determined similarity measures. The access control signal activating granting of the access is produced when a preset similarity measure is not exceeded. An independent claim is also included for an arrangement for controlling user access to service provided in a data network and/or information stored in an utilizable database for protecting stored utilizable data against unauthorized access.
申请公布号 EP2192576(A1) 申请公布日期 2010.06.02
申请号 EP20090013304 申请日期 2009.10.21
申请人 VOICE.TRUST AG 发明人 PILZ, CHRISTIAN
分类号 G06F21/32;G10L17/06;H04L29/06 主分类号 G06F21/32
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