Multiple stage speech recognizer
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United States of America Patent
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Jun 29, 2004
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N/A
app pub date -
Mar 3, 1998
filing date -
Mar 3, 1998
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Abstract
A speech recognition approach that involves forming a series of segments associated with a spoken utterance. Each segment has a time interval within the utterance, and scores characterizing the degree of match of the utterance in that time interval with a set of subword units. Based on the series of segments, the approach includes determining a set of word sequences hypotheses associated with the utterance and then computing scores for the set of word sequence hypotheses using a second set of subword units to represent words in the word sequence hypotheses.
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