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:
Nov. 10, 2015
Filed:
May. 30, 2014
International Business Machines Corporation, Armonk, NY (US);
Sheng Hu Bao, Beijing, CN;
Min Li, Beijing, CN;
Yong Qin, Beijing, CN;
Zhong Su, Beijing, CN;
Liu Wen, Beijing, CN;
Shi Lei Zhang, Beijing, CN;
GLOBALFOUNDRIES U.S. 2 LLC, Hopewell Junction, NY (US);
Abstract
Voice based biometric authentication method, apparatus (system), and computer program product. Provided is voice verification solution with a high accuracy rate that can prevent cheating via recording. The method includes: transmitting to the user a question prompt requiring the user to speak out a voice segment and an answer to a dynamic question, the voice segment having a corresponding text dependent speaker verification model enrolled before the authentication; segmenting, in response to receiving the voice answer, the voice segment part and the dynamic question answer part out from the voice answer; and verifying boundary smoothness between the voice segment and the answer to the dynamic question within the voice answer. With this method, whether a voice answer relates to cheating via recording is determined according to the degree of smoothness at a detected boundary. The apparatus and computer program product carry out the steps of the above-mentioned method.