h.264

from The Free On-line Dictionary of Computing (8 July 2008)

H.264
Advanced Video Coding
AVC

   <video, standard> (Or Advanced Video Coding, AVC) A low {bit
   rate} visual communication {standard} used in {video
   conferencing}.  H.264 was developed by {MPEG} and {ITU-T}
   {VCEG} to replace {H.263}.

   Video and image compression resources and research
   (http://www.vcodex.fsnet.co.uk/h264.html).

   (2007-03-16)