My apartment/studio was very quiet except for the steam heat so i put a mic in the middle of the room (an ear trumpet labs edwina) and put it through a lindell mic preamp and then into a focusrite 18i20 interface to record. This is the mono, 48khz, 32-bit file for your dining and dancing pleasure. Actually, it's just room tone and can be mixed judiciously to cover gaps in your own tone or to make brand new rooms from scratch.
Author: Pushkin