Speech recognition system for languages with compound words
First Claim
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1. A system for recognizing compound words from an utterance representative of a succession of one or more formatives from a predetermined vocabulary, wherein each of said formatives has an associated acoustic model stored in memory, comprising:
- A. a word recognizer including means;
i. selectively operative in a first mode for matching formatives of said utterance with said associated acoustic models according to a score representative of the likelihood of a formative being included in a compound word with other said formatives, for identifying said acoustic models and said associated matched formatives that are representative of a single compound word, and for combining said formatives in response to said identification for generating a single compound word,ii. selectively operative in a second delimiting mode for matching said spoken formatives of said utterance with said associated acoustic models for identifying a Begin Compound Mode command which indicates the beginning of a compound word and an End Compound Mode command which indicates the end of a compound word, and for combining in response to the identification of said Begin Compound Mode command and said End Compound Mode command formatives spoken between said Begin Compound Mode command and said End Compound Mode command into a single compound word, andB. a user interface, including means for selecting between said first mode and said second mode.
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Abstract
A system and associated methods for recognizing compound words from an utterance containing a succession of one or more words from a predetermined vocabulary. At least one of the words in the utterance is a compound word including at least two formatives in succession, wherein those formatives are words in the vocabulary.
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Citations
24 Claims
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1. A system for recognizing compound words from an utterance representative of a succession of one or more formatives from a predetermined vocabulary, wherein each of said formatives has an associated acoustic model stored in memory, comprising:
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A. a word recognizer including means; i. selectively operative in a first mode for matching formatives of said utterance with said associated acoustic models according to a score representative of the likelihood of a formative being included in a compound word with other said formatives, for identifying said acoustic models and said associated matched formatives that are representative of a single compound word, and for combining said formatives in response to said identification for generating a single compound word, ii. selectively operative in a second delimiting mode for matching said spoken formatives of said utterance with said associated acoustic models for identifying a Begin Compound Mode command which indicates the beginning of a compound word and an End Compound Mode command which indicates the end of a compound word, and for combining in response to the identification of said Begin Compound Mode command and said End Compound Mode command formatives spoken between said Begin Compound Mode command and said End Compound Mode command into a single compound word, and B. a user interface, including means for selecting between said first mode and said second mode. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
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14. A computer-implemented method for recognizing compound words from an utterance representative of a succession of one or more formatives from a predetermined vocabulary, wherein each of said formatives has an associated acoustic model stored in memory, comprising the steps of:
A. recognizing said compound words by; i. selectively operating said computer in a first mode to match each of said spoken formatives to an associated acoustic model, to automatically identify ones of said acoustic models and said associated matched formatives that are representative of a single compound word according to a score representative of the likelihood of a formative being included in a compound word with other said formatives, and to combine said formatives in response to said identification, ii. selectively operating said computer in a second delimiting mode to match one of said acoustic models to each of said spoken formatives to identify a spoken Begin Compound Mode command which indicates the beginning of a compound word and a spoken End Compound Mode command which indicates the end of a compound word, and to combine a succession of formatives matched to ones of said associated acoustic models spoken between said Begin Command Mode command and said End Compound Mode command into a single compound word. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
Specification