The reference level of a soundtrack is 105db and 115db for the LFE channel. Most people would find these levels quite high, but not difficult to listen to, in a correctly designed home cinema room.
A problem occurs though, when we face the challenge of keeping instantly inside the cinema room. In residential audio visual installation Hertfordshire, quite often we find bedrooms and other living areas to be right next towards the home cinema environment. Special room construction techniques allow us put together a sufficient noise barrier, in order to reduce any sound transmission into the adjacent rooms.
However, doors have always been the weakest point, in this kind attempt. The mass, damping and stiffness of the home cinema door will determine its resistance to your passage of any sound waves. A door's ability to lessen noise is you can find at its Sound transmission Class. This means, the higher inside the Class the better the efficiency.
One more problem arises though; Sound waves can traverse any opening with very little impairment. And to top it off, a tiny hole in a barrier would transmit almost as much sound as a much larger golf hole. This acoustic property of sound could be a big problem in your property cinema installation, where high quality construction is required. Which is where acoustical gaskets come into play. A home cinema door, so as to be effective, the seals around the head, jamb and sill must be complete and air-tight.
In other words, exact same of the acoustical gasket in a home cinema installation, would see how close specific sound performance of the door, arrives to the published standard. A hi-end home cinema design should take everything into consideration, to ensure a hi-end acoustical end result.