Syntactic continuous speech recognizer

Details Syntactic continuous speech recognizer Syntactic continuous speech recognizer

1979-07-16

1981-07-07

Nusbaum, Mark E.

Communications: electrical

Land vehicle alarms or indicators

Internal alarm or indicator responsive to a condition of the...

3401463WD, G10L 100

Patent

active

042776449

ABSTRACT:
The accuracy of segmenting an utterance into words is improved by the use of sequence-defining signals. An utterance is recognized as one of a plurality of reference word sequences in an arrangement wherein a set of signals is generated to define the syntax, i.e., word arrangements, of the sequences. Each sequence corresponds to a selected series of reference words. A signal is generated to identify the successive word positions of the sequences. Responsive to the sequence defining signals, the utterance, and the reference words, a set of signals is produced, each representing the correspondence between said utterance and one of the sequences. The sequence having the closest correspondence to the utterance is selected. The sequence correspondence signal generation includes selecting, in each identified word position, the word position reference word for each sequence and the portion of the utterance corresponding thereto responsive to said sequence defining signals, and generating a signal representative of the acoustic correspondence between each sequence word position reference word and its selected utterance portion.

REFERENCES:
patent: 3553372 (1971-01-01), Wright
patent: 3816722 (1974-06-01), Sakoe et al.
patent: 4049913 (1977-09-01), Sakoe
patent: 4059725 (1977-11-01), Sakoe
patent: 4092493 (1978-05-01), Rabiner et al.
patent: 4107460 (1978-08-01), Grunza et al.
patent: 4156868 (1979-05-01), Levinson
L. Rabiner, et al., "Considerations in Dynamic . . . Recognition", IEEE Trans. Ac. Speech and Sig. Proc., Dec. 1978, pp. 575-582.
R. Alter, "Utilization of Contextual Constraints etc.", IEEE Trans. Audio Electroacoustics, Mar. 1968, pp. 6-11.

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