2011 | OriginalPaper | Chapter
Joint Rate Control Algorithm with Look-Ahead in Multi-channel IPTV Services
Authors : Young-Il Yoo, Kyeong-Hoon Jung, Ki-Doo Kim, Dong-Wook Kang
Published in: Convergence and Hybrid Information Technology
Publisher: Springer Berlin Heidelberg
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This paper presents a joint rate control method for the multi-channel video services. Each encoder analyzes the spatio-temporal complexities of its video frames and reports the result to the look-ahead statistical multiplexer. And then the multiplexer assigns a QP level to each encoder. The proposed joint QP control scheme regulates the quality of the video sequences and minimizes decoder buffering delay, and in consequence improves the overall QoS level in multi-channel IPTV system.