Method and system for speaker-independent recognition of user-de

Details Method and system for speaker-independent recognition of user-de Method and system for speaker-independent recognition of user-de

1997-12-29

2000-05-02

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704255, 704256, 704257, G10L 908, G10L 500

Patent

active

060583630

ABSTRACT:
Method and system of determining an out-of-vocabulary score for speaker-independent recognition of user-defined phrases comprises enrolling a user-defined phrase with a set of speaker-independent (SI) recognition models using an enrollment grammar. An enrollment grammar score of the spoken phrase may be determined by comparing features of the spoken phrase to the SI recognition models using the enrollment grammar. The enrollment grammar score may be penalized to generate an out-of-vocabulary score.

REFERENCES:
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patent: 5719921 (1998-02-01), Vysotsky et al.
patent: 5732187 (1998-03-01), Scruggs et al.
patent: 5832063 (1998-11-01), Vysotsky et al.
Jeffrey Scruggs, Barbara Wheatley, Abraham Ittycheriah, "Speaker-Dependent Speech Recognition Using Speaker-Independent Models," Aug. 23, 1991.
Ayman Asadi, Richard Schwartz and John Makhoul, "Automatic Detection of New Words in a Large Vocabulary Continuous Speech Recognition System," IEEE, pp. 125-128, 1990.
Sheryl R. Young, "Detecting Misrecognitions and Out-of-Vocabulary Words," IEEE, pp. II-21-II-24, 1994.
C.S. Ramalingam, Lorin Netsch and Yu-Hung Kao, "Speaker-Independent Name Dialing with Out-of-Vocabulary Rejection," IEEE, pp. 1475-1478, 1997.
M. Pawlewski, et al., "Advances in Telephony-Based Speech Recognition," BT Technology Journal, vol. 14, No. 1, pp. 127-149, Jan. 1996.

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