| 摘要 |
PROBLEM TO BE SOLVED: To recognize a whole speech part without missing a head part of the speech part which is required for speech recognition. SOLUTION: When it is detected by a detecting means 9 that a sound volume level of sound data 4 exceeds a threshold sound volume level, a speech recognition means 11 discriminates the speech part from the recorded speech data 4, by going back to time of a predetermined period Tw2 before the detection time Tp by the detecting means 9, in the recorded sound data 4 in an overwrite record means 7, and performs speech recognition of the speech part. A control means 13 controls operation based on a control content expressed by the speech part which is discriminated by the speech recognition means 11. COPYRIGHT: (C)2009,JPO&INPIT
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