Monitoring text to speech output to effect control of barge-in
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United States of America Patent
Stats
-
Jun 13, 2006
Grant Date -
Dec 5, 2002
app pub date -
May 31, 2002
filing date -
Jun 4, 2001
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A speech system has a speech input channel including a speech recognizer, and a speech output channel including a text-to-speech converter. Associated with the input channel is a barge-in control for setting barge-in behavior parameters determining how the apparatus handles barge-in by a user during speech output by the apparatus. In order to make the barge-in control more responsive to the actual speech output from the output channel, a barge-in prediction arrangement is provided that is responsive to feature values produced during the operation of the text-to-speech converter to produce indications as to the most likely barge-in points. The barge-in control is responsive to these indications to adjust at least one of the barge-in behavior parameters for periods corresponding to the most likely barge-in points.
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