Data processing: speech signal processing – linguistics – language – Speech signal processing – Recognition
Patent
1997-12-29
2000-09-12
Wieland, Susan
Data processing: speech signal processing, linguistics, language
Speech signal processing
Recognition
704243, 704244, 704273, G10L 908
Patent
active
061190845
ABSTRACT:
A useful, novel, and nonobvious speech verification apparatus, method and media incorporating the same, as well as a secure interactive voice response ("IVR") system. The speaker verification apparatus and method involves a determination whether one or more speech samples captured from a speaker substantially matches a speaker template in a registration database. If no substantial match is found, alternate access control is utilized to allow the speaker to verify herself, without the use of speaker verification techniques. If alternative access control is able to verify the speaker, the captured speech samples are used to modify the corresponding speaker template. The so-modified speaker template may account for acoustic idiosyncrasies or anomalies perceived in the speech samples to improve verification rates in subsequent acoustic attempts.
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Roberts Tracy
Will Craig A.
Johnson W. Glen
Nortel Networks Corporation
Wieland Susan
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