| 摘要 |
Method and apparatus for using video input to control speech recognition systems is disclosed. In one embodiment, gestures of a user of a speech recognition system are detected from a video input, and are used to turn a speech recognition unit on and off. In another embodiment, the position of a user is detected from a video input, and the position information supplied to a microphone array point of source filter to aid the filter in selecting the voice of a user that is moving about in the field of the camera supplying the video input.
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