There are several important factors which affect the propagation of sound: geometric spreading, atmospheric effects, and surface effects. These are discussed separately below. Attenuation from a point ...

For the first time in the industry, Continental has unveiled an "Acquired Sound" display that integrates speaker functions ...

A room is said to be acoustically 'dead' when it contains a great deal of sound absorbing material, such that there is little or no REVERBERATION, and strong ATTENUATION of high frequencies. The ...