An audiogram is a graph that shows the softest sounds that someone can hear at specific frequencies. High-pitched sounds, for example a bird singing or a child squealing, have a high frequency. Sounds at low frequencies have a lower pitch, such as a dog
barking or the noise of a lawnmower.
During a hearing test, an audiologist plays tones, one frequency at a time. The softest tone that a person can hear at each frequency is marked on the audiogram. The chart below shows where everyday sounds would be on the audiogram.