first of all, we should pay attention to the acoustic characteristics of the indoor space, and ensure that the acoustic performance of the left and right sides of the sound box is symmetrical, and the sound absorption and reflection characteristics of the left and right sides are consistent. For example, two sides of a room are walls, and we can place the phonograms in symmetrical positions, but this does not guarantee the consistency of their acoustic characteristics. If one side of the room is a brick wall and the other side is a glass window, if the window is closed, the acoustic performance of both sides is similar; However, if one side of the window is opened, the acoustic characteristics of both sides will be asymmetric, and there will be sound loss on the side where the window is opened. Similarly, if one side of the room is a brick wall and the other side is a wooden wall, the acoustic characteristics will be asymmetric, and there will be sound lost on the side where the window is opened. Similarly, if one side of the room is a brick wall and the other side is a wooden wall, the sound absorption characteristics of the wooden wall are strong, which is similar to the effect when opening a window. At this time, the sound absorption coefficient of one side of the brick wall should be increased, and sound absorption materials can be laid on the brick wall to keep the acoustic characteristics on both sides as balanced as possible.

how to create a professional home theater sound layout?

2

The main speaker plays the main music, the dialogue of characters and the effect sound signal, which is used to set off the main atmosphere of the picture and the music background sound effect of the scene. The left and right speakers with the same rated power, frequency response bandwidth and smoothness should be selected, and the acoustic characteristics should be kept consistent when placed, so that the left and right main channels can be well balanced and matched with each other.

3

The center speaker is used to convey the dialogue of characters, and its rated power, frequency response bandwidth, smoothness and other characteristics should be consistent with the main speaker, and its rated power can be slightly less than that of the main speaker. The center speaker can be placed above or below the TV. Because it is close to the TV, the center speaker must be antimagnetic, otherwise it will magnetize the picture tube. The front speaker should be kept in the same line with the center speaker, or in front of it. Never put the front speaker behind the center speaker.

how to create a professional home theater sound layout?

4

surround speaker provides environmental effect sound to create a uniformly diffused closed surround sound field. The frequency band of the surround sound box is narrow, and its rated power is lower than that of the main sound box. According to the conditions of indoor space, surround speaker can be placed in many ways, such as in front of the listener, at the rear of the side, slightly above the listener's head, and the two surround speaker must be placed symmetrically. The common method is that both speakers are facing the listener, or both speakers are facing the wall and transmitted to the listener through the reflection of the wall, or both speakers are facing the ceiling and transmitted to the listener through the reflection of the ceiling.

5

The subwoofer is used to produce powerful bass effects to obtain unique sound effects, such as dull guns and explosions. The subwoofer can usually be placed between the front left speaker and the center speaker.