Hyper-Communication 291

Hyper-Communication 291 Hologram There are still problems. The image is stereo but planar. All the light coming into your eye comes from the screen a meter or so away. In the real world objects need you to change the focal length of your eye to bring them into sharp focus depending on their proximity. Try looking at your hand as you move it towards and away from your face, too close and your eye can't pull focus any further and it will blur. This mismatch between focal depth and the apparent distance implied by motion parallax is one of the reasons you can get headaches watching 3D images. There is something not quite right about them and your eye has to learn a new behavior. Audio Field Our poor friend at the end of the phone is listening to a mere 4700 bits per second rendition of the comedian. A compact disk is 64,000, 16- bit samples per second in stereo, over a million bits per second. So the information content of a mobile phone call is very low. It is a miracle you can understand speech at all over such a narrow channel, but this is made possible by two factors. First, human speech uses a limited range of frequencies. All the information in our voices lies within about two octaves centered on middle C. And, second, you can perform some HOUSE_OVERSIGHT_015981