Method and System for Enrolling a Voiceprint in a Fraudster Database
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Accused Products
Abstract
Disclosed is a method for enrolling a voiceprint in a fraudster database, the method comprising: a) defining a fraud model comprising at least one hypothesis indicative of a fraudulent transaction; b) processing audio data based on the fraud model to identify at least one suspect voiceprint in the audio data suspected of belonging to a fraudster; and c) enrolling the at least one suspect voiceprint in the fraudster database.
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Citations
40 Claims
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1-20. -20. (canceled)
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21. A method for enrolling a voiceprint into a fraudster database, the method comprising:
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storing a fraud model in a memory device; receiving at a fraud detection engine a batch of transactions before detection of a fraud for transactions in the batch, each transaction including audio data and a caller identity; processing the batch of transactions to extract a subset of the batch of transactions based on the fraud model, the processing performed using a selection engine; processing the audio data of each of the extracted transactions using a voice processing engine to identify a group of transactions in the extracted transactions, the identified group of transactions including audio data characteristic of a unique individual who has called multiple times; processing the caller identities of the identified group of transactions using the voice processing engine to determine that the unique individual has used multiple caller identities; generating a voiceprint from the audio data of the identified group of transactions using the voice processing engine; and enrolling the generated voiceprint into the fraudster database using an enrollment engine. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28)
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29. A system for early detection of fraudsters, the system comprising:
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a device memory for storing a fraud model; an early detection engine configured to receive a batch of transactions before the system receives a fraud report for transactions in the batch, each transaction including caller audio data and caller identity data; a selection engine configured to extract a subset of transactions from the batch of transactions based on the fraud model; a voice processing engine configured to process the caller audio data and caller identity data of the subset of transactions extracted from the batch to; identify a group of transactions including audio data characteristic of a unique individual who has called multiple times using more than one caller identities, and generate a voiceprint from the audio data of the identified group of transactions; and an enrollment engine configured to enroll the generated voiceprint into the fraudster database. - View Dependent Claims (30, 31, 32, 33, 34, 35, 36, 37)
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38. A non-transitory computer readable storage media having a program embodied thereon, the program being executable by a processor to perform a method for enrolling voiceprints into a database of suspected fraudsters, the method comprising:
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analyzing caller audio data in a batch of transactions related to calls to identify a plurality of groups of multiple calls, each group characteristic of a unique individual; determining from caller identity data for each of the identified groups of multiple calls if the transactions related to the group of multiple calls include multiple caller identities; and enrolling a voiceprint of the unique individual into the database of suspected fraudsters. - View Dependent Claims (39, 40)
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Specification