System and method for speech verification using an efficient...

Details System and method for speech verification using an efficient... System and method for speech verification using an efficient...

2005-02-01

2005-02-01

McFadden, Susan (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

C704S251000

Reexamination Certificate

active

06850886

ABSTRACT:
The present invention comprises a system and method for speech verification using an efficient confidence measure, and includes a speech verifier which compares a confidence measure for a recognized word to a predetermined threshold value in order to determine whether the recognized word is valid, where a recognized word corresponds to a word model that produces a highest recognition score. In accordance with the present invention, the foregoing confidence measure may be calculated using the recognition score for the recognized word and a pseudo filler score that may be based upon selected average recognition scores from an N-best list of recognition candidates.

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patent: 6173266 (2001-01-01), Marx et al.
patent: 6182037 (2001-01-01), Maes
patent: 6226612 (2001-05-01), Srenger et al.
patent: 6473735 (2002-10-01), Wu et al.
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patent: 6735562 (2004-05-01), Zhang et al.

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