G - Physics – 10 – L
Patent
G - Physics
10
L
G10L 15/18 (2006.01) G10L 5/02 (1995.01)
Patent
CA 2091912
A speech recognition system displays a source text of one or more words in a source language. The system has an acoustic processor for generating a sequence of coded representations of an utterance to be recognized. The utterance comprises a series of one or more words in a target language different from the source language. A set of one or more speech hypotheses, each comprising one or more words from the target language, are produced. Each speech hypothesis is modeled with an acoustic model. An acoustic match score for each speech hypothesis comprises an estimate of the closeness of a match between the acoustic model of the speech hypothesis and the sequence of coded representations of the utterance. A translation match score for each speech hypothesis comprises an estimate of the probability of occurrence of the speech hypothesis given the occurrence of the source text. A hypothesis score for each hypothesis comprises a combination of the acoustic match score and the translation match score. At least one word of one or more speech hypotheses having the best hypothesis scores is output as a recognition result.
Brown Peter F.
Della Pietra Stephen A.
Della Pietra Vincent J.
Jelinek Frederick
Mercer Robert L.
International Business Machines Corporation
Saunders Raymond H.
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