< 5th News in brief
22.03.2014 18:11 Age: 9 yrs

News in brief No.6

Threshold of hearing for low and infrasound frequencies

The  performed  hearing  threshold measurements  link  the  existing  threshold values  to  values  in  the  lower  audible frequency range (20 Hz to 125 Hz) and even to  threshold  values  in  the  so  called “inaudible” infrasound region (2.5 Hz to 20 Hz)...

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