The pattern & position of the air and bone conduction results for each ear can be interpreted by the audiologist to explain the extent, nature and possible cause of any results that fall outside of the normal range.
The vertical axis of the audiogram chart is used to show the loudness or intensity of the signal presented. This is measured in decibel (hearing level ) dBHL. The axis starts at -10dBHL (very quiet) and increases in 5dBHL steps upto 120dBHL (very loud).
The frequency (tone/pitch) is read along the horizontal axis. The left of the axis starts at low pitched sounds and rises in pitch as you go across to the right.