音调控制 meaning in Chinese

pitch control : n/a
ton control
tone control

Manual tuning balance tone volume controls
3 .前后左右音量音调控制
Control system of the automatic tone
自动音调控制系统
Dtp - digital tone processor
Dtp数码音调控制系统
Audio - visual , video and television equipment and systems - control , synchronization and address codes - method of operation for pulsed cue tone control systems for two still projectors
视听视频电视设备及系统.第5部分:控制同步和地址码.第2节:双片式投影仪脉冲音调控制设备操作方法