July 2017
Beginner to intermediate
390 pages
10h 53m
English
If we are not capable of determining the source of a sound, we tend to move our heads. Turning our heads left and right, or up and down a bit, will have different effects. Say a sound origin is located directly to our right. If we hear this, then the sound entering our right ear will be, for instance, twice as loud as the sound entering our left ear. If we, however, turn our heads a bit, this difference will be something like 1.5 times as loud. By constantly moving our head a little bit, we can use this information to calculate the direction of the source of the sound.
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