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Critical Listening Skills for Audio Professionals by F. Alton Everest

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Protect Your Hearing!

Our sense of hearing is irreplaceable. All the work being done on cochlear implants offers nothing that approaches the performance of our natural hearing. Therefore, the hearing we now have is all that there is. We may augment deficient hearing with hearing aids, but no hearing aid works as well as our original, undamaged equipment.

The acuity of hearing of a typical group of Americans is shown in Fig. 9. The 1-percent curve represents “normal hearing” for a healthy young adult. Only 1-percent of the population can claim acuity this keen. The 10-percent curve means that 10 percent of the group could hear a sound as weak or weaker than the curve indicates. There is not much room between the 1 percent and 50-percent curves, ...

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