Speech processing using an expanded left to right parser

Details Speech processing using an expanded left to right parser Speech processing using an expanded left to right parser

1993-07-06

2000-05-02

Knepper, David D.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704256, G10L 506

Patent

active

060583657

ABSTRACT:
Continuous speech is recognized by selecting among hypotheses, consisting of candidates of symbol strings obtained by connecting phonemes corresponding to a Hidden Markov Model (HMM) having the highest probability, by referring to a phoneme context dependent type HMM from input speech using a HMM phoneme verification portion. A phoneme context dependent type LR (Left-Right) parser portion predicts a subsequent phoneme by referring to an action specifying item stored in an LR (Left to Right) parsing table to predict a phoneme context around the predicted phoneme using an action specifying item of the LR table.

REFERENCES:
patent: 4931928 (1990-06-01), Greenfeld
patent: 4984178 (1991-01-01), Hemphill et al.
patent: 5033087 (1991-07-01), Bahl et al.
patent: 5054074 (1991-10-01), Bakis
patent: 5086472 (1992-02-01), Yoshida
patent: 5105353 (1992-04-01), Charles et al.
L.R. Bahl et al., "Decision Trees For Phonological Rules in Continuous Speech", ICASSP '91 (Toronto, Canada) May 14-17, 1991, pp. 185-188.

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