channel controller

例句：

1. 1.The channel controller is responsible for managing the audio and video signals.
   频道控制器负责管理音频和视频信号。
2. 2.The engineer used a channel controller to adjust the volume levels.
   工程师使用频道控制器来调整音量水平。
3. 3. The technician needs to check the channel controller settings before starting the project.
   技术人员在开始项目之前需要检查频道控制器设置。