Listening to an animated TV show and some dialogue was spoken directly behind the camera, and it sounded perfect. My mind immediately understand the direction of the sound.
What exactly is changed to help make the mind perceive the sound is behind us?
In: Biology
Now engineers can use digital processing to add delays and frequency shift to make it seem like sound is coming from anywhere. In the past, some engineers have gone so far as to place microphones inside an anatomical correct mannequins head and ear canals to record exactly what the sound would be at the ear drum instead of just in open air on a mic stand.
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