The design of an anechoic chamber involves many aspects, including structural design, material selection, acoustic characteristics, etc. Here are some key aspects to consider when designing an anechoic chamber:

Structural design:
Anechoic chambers are typically sealed room structures that include walls, ceilings, and floors. Walls are often covered with special acoustic absorbing materials, such as foam or acoustic wedges.

The structure of the anechoic chamber should minimize sound reflections to ensure maximum sound absorption in the room. At the same time, the size and requirements of the product under test also need to be considered during structural design.

material selection:
Material selection for walls, ceilings and floors is crucial. Commonly used sound-absorbing materials include sound-absorbing wedges, sound-absorbing foam, sound-absorbing panels, sound-absorbing cloth, etc.

The sound absorption properties of the material should be able to effectively absorb sound energy and reduce the reflection and transmission of sound.

ventilation system:
Anechoic chambers need to consider the design of ventilation systems to ensure indoor air circulation and avoid overheating or excessive humidity.

Ventilation systems should be designed to minimize noise and vibration to maintain a quiet environment in an anechoic room.

Equipment layout:
According to the specific purpose of the anechoic chamber, test equipment, sound sources, and measuring instruments need to be reasonably arranged to ensure the accuracy and reliability of the test.

The arrangement of equipment should take into account the acoustic properties and avoid sound reflections between equipment or between equipment and walls.

Testing and Debugging:
After completing the design and construction of the anechoic chamber, testing and debugging work are required to verify the anechoic effect and ensure that the indoor environment meets the design requirements.

The sound attenuation effect can be evaluated through acoustic test instruments and measurement equipment, and necessary adjustments and optimizations can be made based on the test results.

The design of an anechoic chamber requires comprehensive consideration of structure, materials, ventilation systems, equipment layout and other aspects to ensure that the indoor environment can effectively absorb sound and provide a suitable testing environment. Designing an anechoic chamber requires certain knowledge of acoustics and engineering, and you can use professional acoustic engineers or designers for design and consultation. Dongguan Jinghuan acoustic  has been designing and producing anechoic chambers for 20 years. Everyone is welcome to consult and discuss together.