A client for reproducing a video session includes a memory and a processor coupled to the memory. The memory stores a first video frame that includes first video data, a first video sub-frame comprising second video data that is different from the first video data, and a second video sub-frame comprising...http://www.google.com/patents/US7027708?utm_source=gb-gplus-sharePatent US7027708 - System and method for reproducing a video session using accelerated frame playback
