G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 15/14 (2006.01) G10L 15/06 (2006.01)
Patent
CA 2051602
A method and apparatus for modeling words based on match scores representing (a) the closeness of a match between probabilistic word models and the acoustic features of at least two utterances, and (b) the closeness of a match between word models and the spelling of the word. A match score is calculated for a selection set of one or more probabilistic word models. A match score is also calculated for an expansion set comprising the probabilistic word models in the selection set and one probabilistic word model from a candidate set. If the expansion set match score improves the selection set match score by a selected nonzero threshold value, the word is modelled with the word models in the expansion set. If the expansion set match score does not improve the selection set match score by the selected nonzero threshold value, the word is modelled with the words in the selection set.
Brown Peter Fitzhugh
de Gennaro Steven V.
de Souza Peter Vincent
Epstein Mark E.
International Business Machines Corporation
Saunders Raymond H.
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