0 to make a sound or device able to be heard again after it has been muted (= made unable to be heard):
I couldn't see how to unmute the TV without using the remote.
Participants will be able to unmute themselves if they need to contribute to the discussion.
Click the "X" next to the name of the person you want to unmute.
Start with the Master volume control, which is on the far left. First, unmute it with the m key.
Tap on the microphone icon to unmute yourself.
If you change your mind, you can always unmute your friends by going to their profiles or your Following tab.
