Speaker authentication by fusion of voiceprint match attempt...

Details Speaker authentication by fusion of voiceprint match attempt... Speaker authentication by fusion of voiceprint match attempt...

2007-07-03

2007-07-03

Knepper, David D. (Department: 2626)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

C704S246000

Reexamination Certificate

active

10392549

ABSTRACT:
A speaker authentication system includes a data fuser operable to fuse voiceprint match attempt results with additional information to assist in authenticating a speaker providing audio input. In other aspects, the system includes a data store of speaker voiceprints and a voiceprint matching module adapted to receive an audio input and operable to attempt to assist in authenticating a speaker by matching the audio input to at least one of the speaker voiceprints. The voiceprint matching module adjusts a confidence of voiceprint match attempt results by at least one of: (a) a number of utterance repetitions upon which a matching speaker voiceprint has been trained; or (b) a passage of time since a training occurrence associated with a matching speaker voiceprint.

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