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Implementation of MPEG-2 transport stream remultiplexer for DTV broadcasting

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3 Author(s)
Wang Xingdong ; Inst. of Image Commun. & Inf. Process., Shanghai Jiao Tong Univ., China ; Yu Songyu ; Liang Longfei

This paper presents the design and implementation of an MPEG-2 transport stream (TS) remultiplexer, which is one of the most important pieces of equipment in a digital television broadcasting system. To achieve high performance as well as save hardware resources, the architecture of CAM+RAM is proposed to substitute simple RAM where a PID information table is generated. Compared to other methods, the two-step PCR correction approach can simplify the system significantly. Three data insertion modes are discussed in this paper. Among of them, the host-downloading architecture supports the system to work in a standalone mode when the contents of data are repeated with a fixed time interval or change not very fast

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Consumer Electronics, IEEE Transactions on  (Volume:48 ,  Issue: 2 )