The usera#39;s manual includes a warning that aquot;permanent hearing loss may occur if earphones or headphones are used at ... high as 120 dB in personal music players, according to a story in the January 30 issue of the San Jose Mercury News. ... The agency also contends that the sound thresholds the Navy deems acceptable are well above the levels known to disrupt marine mammal behavior in the wild.
Title | : | Acoustics Today |
Author | : | |
Publisher | : | - 2005 |
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