调音台是目前广播、电视、电影、录音、唱片等节目制作及剧场扩声等必要的设备。随着科学技术的发展和大型音乐节目的增多,现代专业调音台的结构也愈益复杂。广播调音台是调音员(或录音师)对所需制作的广播节目的声音信号进行控制(音 Mixer is currently the necessary equipment for radio, television, film, sound recording, record production and theater sound reinforcement. With the development of science and technology and the increase of large-scale music programs, the structure of modern professional mixing console is also increasingly complicated. The radio mixer is a mixer (or sound engineer) that controls the sound signal of the desired broadcast program