Task-constrained connected speech recognition of propagation of tokens only if valid propagation path is present
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United States of America Patent
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Oct 6, 1998
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N/A
app pub date -
Oct 11, 1995
filing date -
Mar 31, 1993
priority date (Note) -
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Abstract
A speech recognition system recognizes connected speech using a plurality of vocabulary nodes, at least one of which has an associated signature. In use, partial recognition paths are examined at decision nodes intermediate the beginning and end of the recognition path, each decision node having an associated set of valid accumulated signatures. A token received by a decision node is only propagated if the accumulated signature of that token is one of those in the set of valid accumulated signatures associated with that decision node.
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