Guangzhou fuxing shun metal products co., LTD
Contact: Mr. Liu
Phone: 13922340558
Q Q: 776522518
Website: www.leyoulp.com
Address: no. 19, 3rd street, the private industrial zone of fuguanyu road, panyu village, guangzhou panyu district
Decorate the home theater sound engineering to build high quality home theater audio and visual space, its perfect quality not only comes from high quality home theater audio equipments, good listening environment also has a close relationship with a good voice. To make a home theater sound system play the best performance, audio-visual room acoustic processing is very necessary, and diffusion process is the important measures to adjust audio-visual space acoustics of one.
In the av room, play the sound with his own reflection wave encounter one, has the stronger or weaker effect, volatility into a wave of in situ vibration do not move, we call it a standing wave. The presence of the presence of a wave can reduce the sound quality of audio-visual space, and the sound field is not uniform and not surrounded. If it makes the direction of the reflection wave spreading around, will not interference with the direct sound, reduce or interference, fills the audio-visual space, so that sound waves can produce uniform sound field.
Diffusion is the phenomenon of the sound in many directions irregular reflection, refraction and diffraction. The sound is spread out in all directions on the uneven surface of the surface, and the sound is gone, and the sound of the music is safe and relaxed. Diffusion is the ability to turn the ups and downs of the rock into a beach like a beach. Therefore, in order to make the sound uniform, it is necessary to arrange the audio-visual space as the characteristic of the diffusion sound field.
In professional audio engineering audio-visual space to get certain sound diffusion effect, can be in the av room smallpox, lateral wall and back wall of surface diffusion, set up different geometric shapes of triangle and half cylinder structure simple, the diffusion effect is good and is widely used in the acoustic treatment. The geometrical dimensions of the diffused surface of the diffuser must be sufficient to achieve a good diffusion effect.
Professional acoustics design will use diffusion body to spread of voice, their principle is that if the sound waves bounce back when the phase of the wave can be random, the wave direction would like spread out in all directions. But how to make the reflection of random, this also is to let each reflected wave walk different paths, so wireless multiple paths can be divided into real produce so-called random phase. But luckily, mathematicians have found a way to simulate this random path, which is called the quadratic residue method. It is made in depth, different grid plate when the reflected sound waves to run into the bottom of the grid, because the depth is not one sample of each grid, so each phase is different also, the sound waves bounce back after use and remainder method to calculate the depth, can be used to simulate the reflection of random phase. As a result, the reflection travels in all directions, and the chances of a trip in waves are small.
The ceiling is also best for sound absorption and diffusion. If it is only spread, the high frequencies from the ceiling will be too strong.
With the development of acoustic processing technology, processing and diffusion material also has a lot of development, the spread of more professional, more targeted measures and material has been gradually applied to home theater is decorated in, make home theater audio and visual space of the acoustic environment better, listen to the sound quality is higher, it is also a video fans might expect. This is also a factor that needs to be noted in acoustics engineering.
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