XPost: rec.audio.pro, comp.dsp   
   From: kludge@panix.com   
      
   Dick Pierce   wrote:   
   >   
   >What both technique miss, and, having in fact, experienced   
   >eyephones in several very sophisticated goggle-based 3-d   
   >displays far beyond what is available to consumer, miss VERY   
   >badly, is the fact that a REAL soundfield and a REAL scene   
   >is staionary while you move through it. Wat happens in binaural   
   >is that with your head absolutely stationary, the illusion can   
   >be very good, but move your head for any reason, like to look   
   >at (or to better sample) that sound "over there," the whole image   
   >moves with you. It can be disturbingly disorienting.   
   >   
   >It's much worse with your stereo TV "concept:" There's a deep   
   >physiological connection between what you eye's are telling you,   
   >what your balance organs are telling you and what your head and   
   >neck muscles are doing.   
      
   This is true, BUT there are some folks working on similar ideas where they   
   measure the head position using MEMS gyros and shift the sound sources around   
   in the virtual field (using a mathematical transform representing the   
   acoustical   
   response of the head to sources from different directions).  Much of this   
   technology was first developed by NASA for portable flight simulators, but   
   some of the gamer folks are adopting it.   
      
   >The end result of your "stereo TV" concept is often your lunch   
   >in your lap.   
      
   In the case of gaming consoles and flight simulators this is often the goal.   
   --scott   
   --   
   "C'est un Nagra. C'est suisse, et tres, tres precis."   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)