Atelier Crescendo - Acoustic consultant - Acoustic design - Acoustic Design Library Understanding Acoustic Weighting Curves (where does dBA comes from?) When measuring sound, it is not enough to simply capture the raw data — we need to understand how people actually hear it. As introduced in Understanding the Ear’s Sensitivity and Loudness Perception, human hearing varies in sensitivity across different frequencies and sound levels, which significantly influences how loud a sound feels. This is why sound meters use frequency-weighting curves like A, B, C, and Z to adjust the signal before showing you a result. In this post, we explain:. what these curves are; why they matter; and how they help us measure sound in a way that reflects human perception Enjoy the read!
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Understanding Acoustic Weighting Curves (where does dBA comes from?)

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When measuring sound, it is not enough to simply capture the raw data — we need to understand how people […]