How We Localize Surround Sound

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The crickets ears are located on its front legs and have four acoustic inputs. Sound first reaches the outer eardrum which is connected to an acoustic trachea a transverse trachea and an acoustic trachea on the opposite side allowing the sound to pas ...
The cricket’s ears are located on its front legs, and have four acoustic inputs. Sound first reaches the outer eardrum, which is connected to an acoustic trachea, a transverse trachea, and an acoustic trachea on the opposite side, allowing the sound to pass all the way through the cricket’s body. Credit: Michelsen and Larsen

You're walking down a busy street, with cars and buses driving past and bits of conversations reaching your ears, when you hear someone call your name. You turn about 60 degrees to your left and look up to the second floor window of a building about 100 meters away, to exactly the spot where a friend is waving.


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