Speech recognition training

Details Speech recognition training Speech recognition training

1997-05-20

1999-10-05

Hudspeth, David R.

Data processing: speech signal processing, linguistics, language

Speech signal processing

Recognition

704232, 704236, 704243, G10L 506, G10L 900

Patent

active

059639067

ABSTRACT:
A method and system performs speech recognition training using Hidden Markov Models. Initially, preprocessed speech signals that include a plurality of observations are stored by the system. Initial Hidden Markov Model (HMM) parameters are then assigned. Summations are then calculated using modified equations derived substantially from the following equations, wherein u.ltoreq.v<w:

REFERENCES:
patent: 5381513 (1995-01-01), Tsuboka
Deller et al, Discrete-time processing of speech signals, pp. 679-735, Prentice-Hall, New Jersey, Jun. 1987.
Zhang and Mason, Improved training using semi-hidden . . . , Proc. IEEE ICASSP, vol. 1 pp. 306-309, Jun. 1989.
Sivaprakasam, An equivalent Markov . . . IEEE Transactions on Comm. vol. 43 No. 2-4, pp. 1347-1355. Apr. 1995.
Deng et al, A locus model of Coarticulation in an HMM . . . Proc. IEEE ICASSP, vol. 1 pp. 97-100, Jun. 1989.

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