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介绍了铁路客车影视系统的发展历程,对比分析了第一代有线模拟影视系统、第二代半模拟半数字影视系统、第三代基于宽带网络技术的多媒体播放系统的结构和特点,重点阐述了第三代多媒体播放系统的系统构成、系统功能、终端形式及网络传输等4个主要部分的机构、工作原理和特点。提出了现代铁路客车多媒体播放系统的总体方案。
This paper introduces the development history of railway passenger car video system, analyzes and compares the structure and characteristics of the first generation of cable analog video system, the second generation of semi-analog semi-digital video system and the third generation of multimedia broadcasting system based on broadband network technology. The third generation of multimedia player system architecture, system functions, terminal forms and network transmission, the four main parts of the organization, working principle and characteristics. Put forward the overall plan of modern railway passenger car multimedia broadcasting system.