Locating and correcting erroneously recognized portions of utter

Details Locating and correcting erroneously recognized portions of utter Locating and correcting erroneously recognized portions of utter

1995-09-08

1998-01-27

MacDonald, Allen R.

395 266, 395 287, G10L 506

Patent

active

057129576

ABSTRACT:
A method of repairing machine-recognized speech is comprised of the steps of receiving from a recognition engine a first n-best list of hypotheses and scores for each hypothesis generated in response to a primary utterance to be recognized. An error within the hypothesis having the highest score is located. Control signals are generated from the first n-best list which are input to the recognition engine to constrain the generation of a second n-best list of hypotheses, and scores for each hypothesis, in response to an event independent of the primary utterance. The scores for the hypotheses in the first n-best list are combined with the scores for the hypotheses in the second n-best list. The hypothesis having the highest combined score is selected as the replacement for the located error.

REFERENCES:
patent: 5241619 (1993-08-01), Schwartz et al.
patent: 5579436 (1996-11-01), Chow et al.
Bernard Suhm, Brad Myers and Alex Waibel, "Interactive Recovery from Speech Recognition Errors in Speech User Interfaces", Proceedings of the International Conference on Spoken Language Processing, ICSLP 96, Philadelphia, PA, Oct. 1996.
Hermann Hild and Alex Waibel (Stephen Jose Hanson ed., 1993), Connected Letter Recognition with a Multi-State Time Delay Neural Network, Neural Information Processing System 5, 1993, published by Morgan Kaufmann, S.F. California.
O. Schmidbauer et al., An LVQ Based Reference Model For Speaker-Adaptive Speech Recognition, IEEE Proceedings of the International Conference on Acoustics, Speech, and Signal Processing, Mar. 1992, Pittsburgh, PA.

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