[Home Theater Network HDAV.com.cn] Controls Reverberation Time
Generally, there are no acoustically treated rooms, and there are not many smooth decorative walls, so the sound reflection of each frequency band is more serious. Give a few simple improvements:
1, hanging curtains, glass is very strong against high-frequency reflection, if there are windows must be hanging curtains, it is best to hang large curtains.
The material of the curtain is preferably a long and fine fluff on the surface, such as velvet.
The curtains should not be so rough that they are as light as a rag, and it is not recommended to hang a satin-like curtain.
The general curtain is a 1:2 fold, the higher the ratio, the better.
2, tapestries, carpets, as many floors as possible, try to use fine and thick. Under the subwoofer, you must pad a professional pad or an extra thick carpet.
3, the wall as much as possible to reduce the reflectivity of the cloth-like painting (do not add glass protection, the back is filled with sound-absorbing cotton or polyester fiber).
4, the sofa should try to use a large fabric sofa.
5, if possible, the wall is keeled, covered with perforated wooden sound-absorbing panels, and filled with polyester fiber, or laid wood sound-absorbing panels. Make sufficient sound absorption at least at the first reflection point.
6, all the sound placement, do not face the wall, a little angle.
For the placement of each cabinet, refer to the placement recommendations provided by manufacturers such as THX and Dolby, and there are no strict regulations. Because the size and environment of each house are different, adjust according to your own hearing.
In addition, the center recommended to hang on the wall as much as possible, and ensure that the height of the tweeter is flush with the ears of the emperor.
These measures absorb sound waves and reduce reverberation time. The simple hearing discrimination is that there is no echo in the loud voice, and there is a small amount of tail in the palm.
Then it destroys the structure of the corner and absorbs the low frequencies.
Low frequency is difficult to absorb and diffuse, the general processing method is in the corner
Placing a low-frequency trap is a device that can both break the corner of the corner and absorb low frequencies:
Various low frequency traps:
Oh, this is a semi-finished product. The environmental sound processing has come to an end.
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