Final answer:
Interaural level difference is the most important indicator of azimuth position. It refers to the fact that a sound coming from the right side of your body is more intense at your right ear than at your left ear because of the attenuation of the sound wave as it passes through your head.
Step-by-step explanation:
The interaural level difference is the most important indicator of azimuth position. It refers to the fact that a sound coming from the right side of your body is more intense at your right ear than at your left ear because of the attenuation of the sound wave as it passes through your head. This cue is used to help with sound localization in the horizontal plane.