What do you mean by soundproofing in engineering?
The room is one of the soundproofing receptacles.
When you
- are inside a room, You won’t hear outside sounds.
- When you are in outside, you won’t hear sounds generated by inside room.
Is this used in both contexts or just in one sentence? In Wikipedia you can find examples like Room within a room (1) and Residential soundproofing (2). Material and installation could be different in both cases but the term “soundproofing” should also be used in a more general case (3).
