| 摘要 |
PROBLEM TO BE SOLVED: To provide a voice control system for properly recognizing a speech uttered by a user and controlling a target device by recognizing the user's speech considering the operating state of the target device. SOLUTION: A speech recognition dictionary switching unit 4b selects a speech recognition dictionary including only the commands selectable in current operating states of the control target device 2 detected by a device-state detecting unit 4a. When a speech recognition engine 3 recognizes a user's utterance, it recognizes only the commands included in the speech recognition dictionary and does not recognize other commands. Thus, such commands that do not coincide with the current operating states are not recognized, which results in decreasing unreasonable and unpleasant feeling of the user in voice manipulation. COPYRIGHT: (C)2004,JPO
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