Is a
Patent attributes
Current Assignee
Patent Jurisdiction
Patent Number
Patent Inventor Names
Nikko Strom0
Dylan F. Salisbury0
Date of Patent
October 11, 2011
0Patent Application Number
114256510
Date Filed
June 21, 2006
0Patent Primary Examiner
Patent abstract
A system generates an audio challenge that includes a first voice and one or more second voices, the first voice being audibly distinguishable, by a human, from the one or more second voices. The first voice conveys first information and the second voice conveys second information. The system provides the audio challenge to a user and verifies that the user is human based on whether the user can identify the first information in the audio challenge.
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