Patent ID: 8264517

Claim:
A method of controlling movement of a line of sight of a video camera mounted on a mobile videoconferencing terminal, the method comprising: f) a step of determining a position of a target area in an image captured by the video camera; and g) a step of controlling movement of the line of sight as a function of the position determined in step f) so that the target area moves toward a center of the image captured by the camera, wherein, upon a determination that the position of the target area cannot be determined during step f), a) at least two microphones are used, spaced apart from each other in three dimensions, and attached to the mobile terminal to pick up a sound uttered by a user of the mobile terminal, each of the microphones configured to generate a corresponding signal in response to the sound uttered by the user, b) the signals generated by the at least two microphones are responded to in order to establish a direction in which a mouth of the user is located, and c) movement of the line of sight is controlled as a function of the direction established during step b).