Listen to these holophonic auditory illusions using headphones. You might also want to try closing your eyes. The way the audio was recorded creates the effect of being in a 3D environment. The sounds seem to be coming from all different direction.
Try out the virtual haircut
This is a demonstration of the stereo effect. 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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