Ah, ok, I missed that entirely and expected it to be in the Options. I guess it's fine then! Maybe add another option for Footstep Sounds if it's not already there.
For the room, it was the one near which there were individual pictures of the family members, on the far left end of that corridor that's on the 4th screenshot from the top on your game page (the one with those windows that show the parallax background with faces).
I was playing the browser version as I said.