A rate control algorithm for an MPEG-2 compliant encoder wherein the rate control algorithm has embodiments useful for constant bit rate and variable bit rate encoding. In particular, the present invention relates to statistical multiplexing. ...http://www.google.de/patents/US5854658?utm_source=gb-gplus-sharePatent US5854658 - Statistical multiplexing system which encodes a sequence of video images using a plurality of video encoders 
