Two Mode AGC for Single and Multiple Speakers

摘要

A control system (100) for varying an audio level in a communication system, the control system comprising a receiving unit (110, 120) for receiving an audio signal and a video signal, a determining unit (130, 140) for determining a number of individuals speaking determined by performing recognition on either the audio signal or the video signal; and a gain adjustment unit (150) for adjusting a gain of the audio signal based on said number of determined individuals that are speaking. 0.)0 ctj )