Hearing Test Results – How are they displayed?

Results are plotted on a graph called an audiogram. The frequency or pitch is marked on the horizontal axis and measured in hertz (Hz). The pitch increases from left to right. Lower numbers represent a lower pitch or bass sound. Higher numbers represent a higher pitch or treble sound. The loudness of sound is marked on the vertical axis and measured in decibels (dB). 0dB is the softest sound heard by a normal healthy ear. 120dB is considered to be the loudest sound tolerated by a person.



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