Humans can hear sounds in the range 20 hertz to 20,000 hertz. This is often referred to as the range of hearing. Not everyone can hear over all of this range - the numbers are only approximate. In ...
Humans can hear sounds in the range 20 hertz to 20,000 hertz. This is often referred to as the range of hearing. Not everyone can hear over all of this range - the numbers are only approximate. In ...
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