passing down the microphone like in real life, only the person who holds the virtual microphone can speak others are automatically muted, if someone wants to sp

passing down the microphone like in real life, only the person who holds the virtual microphone can speak others are automatically muted, if someone wants to speak , they have to ask for the microphone with a key press, the current speaker or the moderator decides to pass down the microphone, we can increase the number of mic to 2 or 3