Method and apparatus for controlling output level of voice signal during video telephony

摘要

A method and apparatus controls an output level of a voice signal for video telephony by considering the distance between a user and a terminal and surrounding noises. An input image signal and an input voice signal of the user to be used for the video telephony are received at the user's terminal. A received image signal and a received voice signal received from the other party's terminal to which the video telephony is connected, are output on the user's terminal. The user's face region included in the input image signal is extracted. A size information of the extracted face region is checked. A distance information about a distance from the user is checked using the size information. And an output level of the received voice signal is controlled based on the distance information.