| DVB-C视频传输接口ASI的实现 |
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| 引用本文： | 陈晓峰,梁立军.DVB-C视频传输接口ASI的实现[J].沈阳航空工业学院学报,2006,23(2):70-72. |
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| 作者姓名： | 陈晓峰 梁立军 |
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| 作者单位： | 1. LG电子沈阳有限公司,辽宁,沈阳110106
2. 沈阳航空工业学院,辽宁,沈阳110034 |
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| 摘 要： | 随着世界化数字电视技术的研究和开发,我国数字电视的发展进入了实地实施阶段,并已最终确定DVB-C(数字视频广播电缆电视系统)为我国数字电视运营采用的标准1]。在目前的DVB-C广播电视系统的传输接口中,有两种MPEG-2视频传输接口标准:异步串行接口标准ASI和同步并行接口SPI。该方案是一种基于同轴电缆的ASI传输接口方案,采用CYPRESS公司芯片实现ASI的发送和接收,并用逻辑编程器CPLD完成SPI与ASI互相转换所需的逻辑控制。
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| 关 键 词： | ASI SPI MPGE-2 TS包 |
| 文章编号： | 1007-1385(2006)03-0070-03 |
| 修稿时间： | 2005年10月10 |
Application of the ASI video transmission in the DVB-C system |
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| CHEN Xiao-feng,LIANG Li-jun.Application of the ASI video transmission in the DVB-C system[J].Journal of Shenyang Institute of Aeronautical Engineering,2006,23(2):70-72. |
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| Authors: | CHEN Xiao-feng LIANG Li-jun |
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| Abstract: | As the technology of the digital TV is continuously researched and developed,the development of Chinese digital TV has entered implementing stage.And finally the DVB-C(the cable TV system of digital video broadcasting) was chosen as the digital TV System Chinese will use.In the transmissions of present DVB-C broadcast and television system,there are two kinds of MPEG-2 video transmission standards: ASI(Asynchronous serial interface standard) and SPI,which runs side by side in step.This scheme is based on the ASI,makes the sending and receiving of ASI come true and achieve transformation between SPI and ASI with the logic programmable device CPLD. |
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| Keywords: | ASI SPI MPGE-2 TS Package |
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