Well that's a software/user solution to a hardware problem. If you have a quality headset/microphone you can be unmuted for a whole meeting, people collectivel

Well that's a software/user solution to a hardware problem. If you have a quality headset/microphone you can be unmuted for a whole meeting, people collectively making noises (Ahh, or Ohh) are important ways of communicating information that are lost if everyone is muted until they have a comment to make.