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Method of comparing voice signals that reduces false alarms

Patent image
NSA

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.

Inventors: 
Cusmariu, Adolf
Patent Number: 
Technical domain: 
IT and Software
FIle Date: 
2006-10-11
Grant Date: 
2010-01-19
Grant time: 
1,196 days
Grant time percentile rank: 
21
Claim count percentile rank: 
5
Citations percentile rank: 
1
'Cited by' percentile rank: 
1
Assignee: 
NATIONAL SECURITY AGENCY