System and Method for Tracking Fraudulent Electronic Transactions Using Voiceprints of Uncommon Words
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United States of America Patent
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Sep 9, 2014
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May 29, 2007
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Abstract
Disclosed are systems, methods, and computer-readable media for comparing customer voice prints comprising of uncommonly spoken words with a database of known fraudulent voice signatures and continually updating the database to decrease the risk of identity theft. The method embodiment comprises comparing a received voice signal against a database of known fraudulent voice signatures, denying the caller's transaction if the voice signal substantially matches the database of known fraudulent voice signatures, adding the caller's voice signal to the database of known fraudulent voice signatures if the voice signal does not substantially match a separate speaker verification database and received additional information is not verified.
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