 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. Let's try the opposite. My microphone is now off. Victor's microphone is off, and he's going to interrupt me. My volume remains constant, while Victor's interruption can be difficult to understand.