An anechoic chamber is a specially engineered room, full anechoic, semi-anechoic, or hemi-anechoic, lined with sound-absorbing wedges that eliminate reflections and create a free-field acoustic environment for precise noise measurement, tested and qualified to standards such as ISO 3745 and ISO 3744. NVH test labs, automotive and electronics manufacturers, and R&D teams in India who are specifying an anechoic chamber, comparing manufacturers, or trying to understand why their existing chamber’s measurements don’t match its rated performance.
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