5: 00 1 The sound system comes from 4: 00 1 surround, but a central unit is added. This central unit is responsible for transmitting sound signals below 80Hz, which helps to strengthen the human voice when enjoying the film, and concentrates the dialogue in the middle of the whole sound field to increase the overall effect.
After-introduction surround
The back surround sound is responsible for the peripheral and the whole background music, which makes people feel that they are in the center of the whole scene. Ma Benteng's shock and the effect of jets whizzing overhead are all due to it. The thrilling bass such as motor sound, bomber sound or drum sound are arranged by the subwoofer.