Can barotrauma be caused by pressure differences from an explosion?

I think it can. The human threshold of pain is about 120 dB. That is a pressure of 200 Pa. Engines can reach about 140 dB ~ 50000 Pa ~ 0,5 bar. An explosion can reach far more than 0,5 bar. Barotrauma is caused by diving, about Pressure differences around 3 - 10 bar. So I think Explosions can cause it when you are in a room.