Is a
Patent attributes
Patent Applicant
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Daniel Wade Hitchcock0
Bharath Kumar Bhimanaik0
Date of Patent
September 18, 2018
Patent Application Number
15241900
Date Filed
August 19, 2016
Patent Citations Received
...
Patent Primary Examiner
Patent abstract
Disclosed are various embodiments for detecting replay attacks in voice-based authentication systems through the use of watermark signals. In one embodiment, audio is captured via an audio input device. It is then verified that the audio includes a voice authentication factor spoken by a user. A watermark signal is detected as present in the audio, which indicates that the voice authentication factor was replayed from a recording. One or more actions may then be performed.
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