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Multichannel joint rate control of VBR MPEG encoded video for DBS applications

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2 Author(s)
Guha, A. ; PictureTel Corp., Peabody, MA, USA ; Reininger, D.J.

A method to transmit multiplexed digital video that potentially allows for video quality and capacity gains over conventional constant bit-rate (CBR) transmission is described. The method uses a joint rate control algorithm that regulates the encoders during buffer congestion periods using bandwidth re-allocation and source rate control. A multichannel joint rate control algorithm is described and its performance simulated for MPEG encoded video on broadcast satellite (DBS) application. Results indicate significant capacity and/or quality gains over conventional CBR transmission methods

Published in:

Consumer Electronics, IEEE Transactions on  (Volume:40 ,  Issue: 3 )