Actually, it looks more like isolating the whole cockpit (or room) with the "paper" to the noise is cancelled before entering the cockpit. You could imagine a

Actually, it looks more like isolating the whole cockpit (or room) with the "paper" to the noise is cancelled before entering the cockpit. You could imagine a recording studio with 2 sheet of this: - sheet against the wall to cancel the outside sounds coming INTO the recording room - sheet against the previous one (but turn oppositerly) to cancel the sound from the recording room to go outside the room The contact sheet between both would stay fixed