Absolutely I can hear the room and surfaces around you when someone speaks or claps the hand.
I would be able to get around quite OK if I were blind as I can definitely sense things around me aurally. Ever see a blind person tapping their white stick and scurrying along just as fast as everyone else - they can hear obstacles just in the same way bats and dolphins use sound to echo locate objects (admittedly our human hearing systems are not nearly as refined as those animals for echo location tasks but the approach totally works)
I would be able to get around quite OK if I were blind as I can definitely sense things around me aurally. Ever see a blind person tapping their white stick and scurrying along just as fast as everyone else - they can hear obstacles just in the same way bats and dolphins use sound to echo locate objects (admittedly our human hearing systems are not nearly as refined as those animals for echo location tasks but the approach totally works)