As we all know, the acoustic environment of the film and television hall has a far greater impact on the playback effect of the audio system than any other audio equipment. Although there are many ways to improve the sound environment, too much processing of the film and television studio will make things worse. For example, let the sound diffuse. Diffusion disperses the sound in all directions and can avoid echo. However, if the room is full of diffuse surfaces, the stereo sound image localization will be poor, the sound will diffuse in all directions, and it cannot be focused as finely as the sound image.

Room acoustics in small rooms are more complicated. Although many audio books and periodicals have dedicated introductions to this, they cannot give precise and pertinent opinions. The problem is that there are many contradictions, and different experts have expressed different views. However, the acoustic environment of the room and the placement and listening position of the speakers have a great influence on the sound reproduction effect. This article will not talk about the profound principles and the strange ways of dealing with the acoustic environment of the room. We only introduce some simple and practical methods that you can do to deal with the indoor listening environment.

the film

First, spread a thick carpet on the ground

The ground is probably the most prone to severe reflection of sound waves. Although the carpet has no effect on low frequencies, the first thing to do is to absorb some high reflections as much as possible. The early reflections formed in the first 5nS after the direct sound (milliseconds and several milliseconds later) will become part of the direct sound, and because most of them come from the same direction, they will be heard. Avoid mixing high-frequency sound from pure sound speakers and ground reflections. Together. And because it is impossible to add some soft cushions on the ceiling, if you do not lay the carpet on the floor, there will be two parallel highly reflective surfaces, and the sound waves reflect back and forth between the floor and the ceiling, making the sound unpleasant.

Second, hang curtains on the windows

In some concert halls, reflective glass is always avoided. In the film and television hall, since all the walls are close together, the reflection sound produced by the glass is easy to feel annoying. You can try to hang some openable curtains on the windows and close the curtains while listening to music. In addition, do not place bookcases and furniture with glass front panels in the movie hall.

Third, try to destroy the reflection of parallel walls

Parallel walls, like the floor and ceiling, are likely to produce endless reflections and produce “multiple echoes” that make the sound unpleasant. You can clap your hands hard. If you hear an echo, it means that there is something wrong with the studio. Bookshelves, especially bookshelves where books are randomly placed, can cut off the reflection of those parallel surfaces as a diffuser of sound waves. Although many special sound diffusion screens have been sold, putting a few bookshelves in the film and television hall can achieve quite good results.

As we all know, the acoustic environment of the film and television hall has a far greater impact on the playback effect of the audio system than any other audio equipment. Although there are many ways to improve the sound environment, too much processing of the film and television studio will make things worse. For example, let the sound diffuse. Diffusion disperses the sound in all directions and can avoid echo. However, if the room is full of diffuse surfaces, the stereo sound image localization will be poor, the sound will diffuse in all directions, and it cannot be focused as finely as the sound image.

Room acoustics in small rooms are more complicated. Although many audio books and periodicals have dedicated introductions to this, they cannot give precise and pertinent opinions. The problem is that there are many contradictions, and different experts have expressed different views. However, the acoustic environment of the room and the placement and listening position of the speakers have a great influence on the sound reproduction effect. This article will not talk about the profound principles and the strange ways of dealing with the acoustic environment of the room. We only introduce some simple and practical methods that you can do to deal with the indoor listening environment.

the film

First, spread a thick carpet on the ground

The ground is probably the most prone to severe reflection of sound waves. Although the carpet has no effect on low frequencies, the first thing to do is to absorb some high reflections as much as possible. The early reflections formed in the first 5nS after the direct sound (milliseconds and several milliseconds later) will become part of the direct sound, and because most of them come from the same direction, they will be heard. Avoid mixing high-frequency sound from pure sound speakers and ground reflections. Together. And because it is impossible to add some soft cushions on the ceiling, if you do not lay the carpet on the floor, there will be two parallel highly reflective surfaces, and the sound waves reflect back and forth between the floor and the ceiling, making the sound unpleasant.

Second, hang curtains on the windows

In some concert halls, reflective glass is always avoided. In the film and television hall, since all the walls are close together, the reflection sound produced by the glass is easy to feel annoying. You can try to hang some openable curtains on the windows and close the curtains while listening to music. In addition, do not place bookcases and furniture with glass front panels in the movie hall.

Third, try to destroy the reflection of parallel walls

Parallel walls, like the floor and ceiling, are likely to produce endless reflections and produce “multiple echoes” that make the sound unpleasant. You can clap your hands hard. If you hear an echo, it means that there is something wrong with the studio. Bookshelves, especially bookshelves where books are randomly placed, can cut off the reflection of those parallel surfaces as a diffuser of sound waves. Although many special sound diffusion screens have been sold, putting a few bookshelves in the film and television hall can achieve quite good results.