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An audiogram is the result of a hearing test. On a pure-tone audiogram, two qualities of a person’s hearing are shown, namely:
- The intensity of a sound – how soft/loud a sound is (measured in decibel).
- The different sounds from low to high frequencies a person can hear (measured in Herz).
The softest intensity a normal hearing person can hear is approximately 0-14dB. Normal speech at a distance of one metre is approximately 60dB, while a loud sound that causes pain or discomfort is 130-140dB.
Identification without follow-up is worthless. A person's hearing can be determined with a series of tests, and never after a single test.
