Adaptive pause detection in speech recognition
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United States of America Patent
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Apr 12, 2016
Grant Date -
Jul 23, 2015
app pub date -
Jan 23, 2014
filing date -
Jan 23, 2014
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Abstract
A method, system, and computer program product for adaptive pause detection in speech recognition are provided in the illustrative embodiments. A speech stream comprising audio signal of a speech is received. A first point in the speech stream is marked with a beginning time stamp. After the first point, a pause is detected in the speech stream. The pause is of a duration at least equal to a pause duration threshold. A second point after the pause in the speech stream is marked with an ending time stamp. A portion of the speech stream between the beginning and the ending time stamps forms a first speech segment. A speech rate of the first speech segment is computed using a number of words in the first speech segment, the beginning time stamp, and the ending time stamp. The pause duration is adjusted according to the first speech segment's speech rate.
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