Anechoic chamber and EMC anechoic chamber are two rooms with different purposes. Their main differences are as follows:
Function: The anechoic chamber is mainly used to isolate and reduce the transmission of sound, so that the interior of the room can achieve a lower noise level. The EMC anechoic chamber is mainly used to isolate and shield the interference of external electromagnetic waves to ensure the stability of the internal electromagnetic environment.
Structure: The anechoic room usually adopts special sound-proof materials and sound-proof technologies, including sound-absorbing materials, sound-proof doors and windows, sound-proof walls, etc., to minimize sound transmission. The EMC anechoic chamber uses special metal shielding materials and designs to block and absorb external electromagnetic waves and reduce electromagnetic wave interference.
Application fields: Anechoic chambers are mainly used in audio, acoustic experiments, noise testing, recording studios and other fields to provide a good sound environment. The EMC anechoic chamber is mainly used in wireless communication, electromagnetic compatibility testing, electronic equipment testing and other fields to ensure accurate test results and stable equipment performance.

Design requirements: The design of the anechoic chamber needs to consider the selection of sound insulation materials, the sealing of the structure and the control of air flow to achieve a good sound insulation effect. The design of the EMC anechoic chamber needs to consider the selection of metal shielding materials, the integrity of the shielding structure and the absorption capacity of electromagnetic waves to achieve a good electromagnetic shielding effect.

In general, anechoic chambers and EMC anechoic chambers are designed and built for different physical phenomena and requirements, and are used to isolate the transmission of sound and electromagnetic waves respectively.