Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. … merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.
20 Hz (2015)
05/19/2015 (GB) • 5m
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Overview
Human hearing is capable of detecting sound waves between 20 and 20.000 Hz. … merely a small fraction of the frequency spectrum. Most sounds around us go unnoticed.