Speech recognition system with barge-in capability

Details Speech recognition system with barge-in capability Speech recognition system with barge-in capability

2005-04-19

2005-04-19

McFadden, Susan (Department: 2655)

Data processing: speech signal processing, linguistics, language

Speech signal processing

Application

C704S235000, C704S256000, C704S275000, C379S088020

Reexamination Certificate

active

06882973

ABSTRACT:
A voice processing system includes a speech recognition facility with barge-in. The system plays out a prompt to a caller, who starts to provide their spoken response while the prompt is still being played out. The system performs speech recognition on this response to determine a corresponding text, which is then subjected to lexical analysis. This tests whether the text satisfies one or more conditions, for example, including one or more words from a predefined set of task words. If this is found to be the case, the playing out of the prompt is terminated (i.e. barge-in is effected); otherwise, the playing out of the prompt is continued, essentially as if the caller bad not interrupted.

REFERENCES:
patent: 5475791 (1995-12-01), Schalk et al.
patent: 6311159 (2001-10-01), Van Tichelen et al.
patent: 6314402 (2001-11-01), Monaco et al.
patent: 6427134 (2002-07-01), Garner et al.

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