I hope you all appreciate that in this scene, just after Jack is told about the Overlook's history, the walls behind him start to pulsate. Watch the interview scene, you'll see all kinds of weird stuff. Search "The Shining" here for the rest of my gifs from the movie. Happy Halloween!
The sound is part of a line of dialogue said by Ullman. "the idea of st" The full line is, "Obviously some people can be put off with the idea of staying alone in a place where something like that actually happened."