To add to this, most middle age adults can not hear above 15khz and threshold is very high at 11khz, especially if they were exposed to high sound levels in youth. Virtually no one can hear above 22khz.. if you ever…
To add to this, most middle age adults can not hear above 15khz and threshold is very high at 11khz, especially if they were exposed to high sound levels in youth. Virtually no one can hear above 22khz.. if you ever…