loudspeaker mute

例句：

1. 1.The loudspeaker was set to mute during the meeting.
   会议期间，扬声器被设置为静音。
2. 2.The engineer used a silencer to muffle the noise from the construction site.
   工程师使用消声器来减轻工地的噪音。
3. 3. The mute button on the remote control allows you to turn off the sound without turning it completely off.
   遥控器上的静音按钮可以让你在不彻底关闭声音的情况下关闭声音。