Method and apparatus for expanding the vocabulary of a speech system
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United States of America Patent
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Oct 5, 2004
Grant Date -
N/A
app pub date -
Jun 22, 2000
filing date -
Jun 30, 1999
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Abstract
A computerized method is provided for adding a new word to a vocabulary of a speech system, the vocabulary comprising words and corresponding acoustic patterns for a language or language domain. Within a determination step for the new word, a regularity value is determined which measures the conformity with respect to the pronunciation in the language or language domain. In a comparison step, the regularity value is compared to a threshold value to decide whether the conformity is insufficient. Only in the affirmative case of insufficient conformity, a prompting step is performed, prompting for additional information on the pronunciation of the new word. Finally, in an extension step, the new word and an acoustic pattern of the new word are added to the vocabulary.
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