The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
May. 18, 2021
Filed:
Dec. 16, 2019
Applicant:
Amazon Technologies, Inc., Seattle, WA (US);
Inventors:
Bharath Kumar Bhimanaik, Sammamish, WA (US);
Daniel Wade Hitchcock, Bothell, WA (US);
Assignee:
Amazon Technologies, Inc., Seattle, WA (US);
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
G10L 15/00 (2013.01); G10L 17/00 (2013.01); G10L 19/018 (2013.01); G10L 17/02 (2013.01); G10L 17/06 (2013.01); G10L 25/51 (2013.01); G10L 15/08 (2006.01);
U.S. Cl.
CPC ...
G10L 19/018 (2013.01); G10L 17/02 (2013.01); G10L 17/06 (2013.01); G10L 25/51 (2013.01); G10L 2015/088 (2013.01);
Abstract
Disclosed are various embodiments for detecting replay attacks in voice-based authentication systems. 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. If it is determined that the audio includes unexpected environmental audio in addition to the voice authentication factor that has been verified, one or more actions may be performed.