Patents Assigned to The U.S. Goverment as Represented By The Director, National Security Agency
  • Method of comparing voice signals that reduces false alarms
    Patent number: 7650281
    Abstract: A method of comparing voice samples to reduce false alarms by receiving a first voice sample, generating a model of the first voice sample, reordering the first voice sample, generating a model of the reordered first voice sample; receiving a second voice sample; generating a model of the second voice sample; reordering the second voice sample, generating a model of the reordered second voice sample, comparing at least one pairings of the models, and determining if the first voice sample matches the second voice sample if the model comparisons are within a user-definable threshold.
    Type: Grant
    Filed: October 11, 2006
    Date of Patent: January 19, 2010
    Assignee: The U.S. Goverment as Represented By The Director, National Security Agency
    Inventor: Adolf Cusmariu