text:  And so let's say I'm answering a question. My light is green, and I'm speaking. Phil's microphone is off, and his green lights are not illuminated. He's going to interrupt me as I'm speaking, and this is what it will sound like. My volume remains constant, while Phil's interruption can be difficult to understand. I'm glad they demonstrated what a muted microphone sounds like. I don't know if you know this. Breaking news, you can't hear him.