Healthy headphone use: How loud and how long? -
2020-7-22u2002·u2002The Occupational Safety and Health Administration (OSHA) mandates that employers offer hearing protection for employees with averaged exposure of 85 dB for greater than eight hours. While this sounds like a long time, headphone use at only slightly higher sound levels can cause damage in less than one hour, and it is easy to imagine listening ...
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