A device called an audiometer is used to figure out a person's hearing threshold. An audiometric exam measures a person's ability to hear over a variety of frequencies. A hearing aid is a discreet electronic device worn behind or in the ear. It amplifies some sounds so that a person with hearing loss may listen, converse, and take part in daily activities to a greater extent. An audiometer is a device that assesses hearing acuity. They typically consist of an integrated hardware unit coupled to headphones and a feedback button for test subjects, and occasionally a normal PC. These methods may also be used to assess conductive hearing mechanisms using bone vibrators.
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