US Patent 7499859 Video device with voice-assisted system

A video device with a voice-assisted system is provided by using a voice command to adjust the images. The voice-assisted system includes a voice recognition engine and a control unit. The voice recognition engine receives a voice command and outputting a voice signal based on the voice command to the control unit. The control unit based on the voice signal performs the adjustment actions to adjust image. The user only requires inputting a single voice command. The voice recognition engine then can perform a series of actions to adjust image. Therefore, the voice-assisted system can enhance the convenience of adjusting the image of the video device and reduce the operation complexity for the user.