You'd very likely want acoustic treatment. You'd hear the command from the direction it was given in, not bouncing around, echoing, and interfering with itself.

You'd very likely want acoustic treatment. You'd hear the command from the direction it was given in, not bouncing around, echoing, and interfering with itself. There's probably a practical set-design aspect to this. The acoustic tile as backdrop also makes a better sound stage, I would think.