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SomNandi Industries designs, fabricates, and installs chambers compliant with ISO 3744 and ISO 3745, delivering full anechoic, semi-anechoic, hemi-anechoic, Modular Anechoic Chamber, and mini anechoic chambers as complete turnkey projects. An anechoic chamber is a controlled room designed to eliminate sound or electromagnetic reflections, isolating internal activity from outside interference so only direct sound reaches the measurement point, replicating an open free field indoors. Acoustic engineers, NVH test labs, automotive and aerospace manufacturers, and product development teams who need a certified anechoic test chamber for machinery noise testing, audiometric testing, or acoustic research, not a generic soundproof room built without free-field validation.