The difference between anechoic chamber and anechoic box

Anechoic chambers and anechoic boxes are two common devices used to reduce noise and interference. They play an important role in scientific research, engineering experiments, and audio recording. Although they share the goal of providing a quiet environment, there are clear structural and functional differences between anechoic chambers and anechoic boxes.

First, the anechoic chamber is a completely enclosed room, usually constructed of soundproofing and sound-absorbing materials, designed to provide maximum isolation from outside noise. Anechoic chambers are designed to create a nearly completely silent environment so that the sound inside can be accurately measured and analyzed. Anechoic chambers are usually used in acoustic experiments, noise testing, audio recording and other occasions that require a highly precise and low-noise environment.

In contrast, the anechoic box is a relatively smaller, more portable device that is typically used to reduce the noise produced by a specific piece of equipment or the instrument itself. The exterior of the anechoic box is usually wrapped with sound insulation materials or sound insulation structures, and the interior is designed with sound absorbing materials and sound insulation barriers to effectively reduce the noise generated when the equipment is running. Anechoic boxes are usually used to reduce the operating noise of fans, compressors, generators and other equipment to ensure a quiet surrounding environment. When used for this purpose, we are also called soundproof boxes. Precision-made anechoic boxes can also be used for acoustic testing, but because the anechoic box itself is small, it can only detect smaller products. In addition, because the production of the anechoic box is different from the anechoic chamber, the background noise of the anechoic chamber will It can be lower. When doing acoustic testing, the application range will be wider, and it is more suitable for products with higher acoustic testing requirements.

In addition, anechoic chambers usually have larger spaces and more complex acoustic designs to ensure that the internal acoustic performance meets the requirements. Anechoic chambers usually require specialized design and construction, which are costly. The anechoic box is more flexible. Different sizes and materials can be selected according to needs, which is easy to move and install, and the cost is relatively low.

Both anechoic chambers and anechoic boxes are designed to provide a quiet environment, but their application scenarios, structural design, and cost are different. When researchers and engineers choose appropriate silencer equipment, they need to consider the characteristics of both based on specific needs and budget to achieve the best noise control effect. The existence of anechoic chambers and anechoic boxes creates a clearer and quieter working and research space for us. They all provide support for our acoustic research and work. They will differ in function and cost. We purchase or manufacture Beforehand, choose an experienced factory to consult and choose suitable equipment. If you can go to the factory to view comparison samples on the spot, you will have a more intuitive experience.