How do we know someone is calling us from behind? How do we know something is coming right at us?? Thanks
In: Biology
You literally just had to put this in google to get the answer.
If a sound comes in at an angle to the right of the face, the direction of the sound waves means that the sound will not reach both ears at the same time.
The time lag is due to the fact that the distance from the source of the sound to the left ear is a little longer than it is to the right ear. Therefore, the sound waves must travel a little longer before reaching the left ear which is farthest away.
The brain registers the time lag and informs us that the direction of the sound is a little to the right of the face.
Source: https://m.hear-it.org/The-direction-of-sound
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