G - Physics – 06 – F
Patent
G - Physics
06
F
354/54
G06F 1/00 (2006.01)
Patent
CA 1246229
APPARATUS AND METHOD FOR PRODUCING A LIST OF LIKELY CANDIDATE WORDS CORRESPONDING TO A SPOKEN INPUT ABSTRACT A speech recognition apparatus and method of selecting likely word from a vocabulary of words, wherein each word is represented by a sequence of at least one prob- abilistic finite state phone machine and wherein an acoustic processor generates acoustic labels in response to a spoken input, include: (a) forming a first table in which each label in the alphabet provides a vote for each word in the vocabulary, each label vote for a sub- ject word indicating the likelihood of the subject word producing the label providing the vote; (b) forming a second table in which each label is assigned a penalty for each word in the vocabulary, the penalty assigned to a given label for a given word being indicative of the likelihood of the given label not being produced according to the model for the given word; and (c) for a given string of labels, determining the likelihood of a particular word which includes the step of combining the votes of all labels in the string for the particular word together with the penalties of all labels not in the string for the particular word.
504806
Bahl Lalit R.
Desouza Peter V.
Mercer Robert L.
International Business Machines Corporation
Rosen Arnold
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