How To Make A Small Room Less Echoey . Be as hairy as you can be. There are two areas where you can add absorptive materials, the ceiling and the back of the bathroom door. Creative Ways To Make Your Small Bedroom Look Bigger from housegood.co Plus, if you have a linen closet, you can reduce the echo in the. If the delay is a bit longer, say in 55 milliseconds, the user experience is similar to having two people saying the same thing simultaneously as a duet. You will probably need to hire professionals to help construct a new ceiling.