The reference level of ones 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 regular alarm inside the cinema room. In household installation, quite often we find bedrooms and other living areas to be right next towards the home cinema environment. Special room construction techniques allow us produce a sufficient noise barrier, in order to reduce any sound transmission into the adjacent rooms.
However, doors constantly been the weakest point, in this attempt. The mass, damping and stiffness of the home cinema door determines its resistance towards the passage of any sound waves. A door’s ability to reduce noise is offered by its Sound transmission Class. This means, the higher inside the Class the better the efficiency.
One more problem arises though; Sound waves can travel through any opening with very little impairment. And to top it off, a tiny hole in a barrier would transmit almost as much sound as being a much larger emergency. This acoustic property of sound could be an appreciable problem in a home cinema installation, where high quality construction is required. That’s the where acoustical gaskets come into play. A home cinema door, so that you can be effective, the seals around the head, jamb and sill must be complete and air-tight.
In other words, the quality of the acoustical gasket in a place cinema audio visual installation St Albans, would see how close the particular sound performance of the door, will come to the published order. A hi-end home cinema design should take all the info into consideration, to ensure a hi-end acoustical result.