Implementation of MPEG-2 transport stream remultiplexer for DTV broadcasting

被引：11
|
作者：
Wang, XD [1 ]
Yu, SY [1 ]
Liang, LF [1 ]
机构：
[1] Shanghai Jiao Tong Univ, Inst Image Commun & Informat Proc, Shanghai 200030, Peoples R China
来源：
IEEE TRANSACTIONS ON CONSUMER ELECTRONICS | 2002年 / 48卷 / 02期
关键词：
DTV; MPEG-2; remultiplexer; transport stream; PID mapping; PCR correction; data insertion;
D O I：
10.1109/TCE.2002.1010139
中图分类号：
TM [电工技术]; TN [电子技术、通信技术];
学科分类号：
0808 ; 0809 ;
摘要：
This paper presents the design and implementation of MPEG-2 transport stream (TS) remultiplexer, which is one of the most important equipments in 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 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 stand-alone mode when the contents of data are repeated with a fixed time interval or change not very fast.
引用
收藏
页码：329 / 334
页数：6
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