Patent ID: 6104757
Filing Date: 2000-08-15
Classification: H04B,H04L,H04N

Abstract:
A system for displaying an incoming stream of video images comprising:(a) means for receiving said stream of video images in the form of frames comprised of packets, each frame based on a reference frame, and each frame having a predesignated playout time;(b) means for determining whether any frame packets were lost during transmission;(c) means for requesting that any lost frame packets be retransmitted;(d) means for determining whether retransmitted lost frame packets have arrived prior to the frame's playout time;(e) means for reconstructing said frame using the originally transmitted frame packets and, if necessary, said retransmitted lost frame packets, provided said retransmitted lost frame packets arrived before the expiration of the frame's playout time;(f) display means for displaying the reconstructed frame;(g) means for storing the just displayed reconstructed frame as said reference frame; and(h) means for reconstructing said reference frame using the just displayed reconstructed frame and said retransmitted lost frame packets that did not arrive before the expiration of the frame's playout time.