Virtual Barber Shop – Sound Recording


This is quite an interesting video (or perhaps more accurately, audio) clip of a scenario in a barber shop. Now what’s so fancy about that? Not too much, though it does show the stereo sound property quite well – if you close your eyes and listen to it, give it a little imagination and voila, you’d find yourself thinking someone’s really working on your hair in the shop (perhaps a little creepy due to its ‘realness’).

Listening to it, you feel as though you are in a barber’s chair, with the barber moving around you, clipping away at your hair. As the barber “moves” to your right, the volume increases slightly in the right channel and decreases in the left. Similarly, increases in the volume of sound from the clippers give the impression that he is bringing them closer and closer to each ear. The illusion demonstrates our ability to locate sounds in space; by comparing the inputs to the two ears, we can work out where a sound is coming from.

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