US Patent 11805231 Target tracking method applied to video transmission

The invention discloses a target tracking method applied to a video transmission, which can automatically track a specific target and capture images according to sound. The target tracking method includes the following steps: step one is to set a first target area; step two is to determine whether a corresponding sound source position points to the first target area according to a sound source position signal; step three is to capture an image of the first target area and output to a display unit by a camera unit when the sound source position points to the first target area; and step four is to execute a sound source tracking procedure when the sound source position is not pointing to the first target area.