应急通信车载音视频系统设计与实现  

Design and Implementation of Vehicle Audio and Video System for Emergency Communication

作　　者：许陵 杨清森 杨仁庆 赵红梅 XU Ling;YANG Qingsen;YANG Renqing;ZHAO Hongmei(Nanjing Panda Handa Technology Co.,Ltd.,Nanjing,210000)

机构地区：[1]南京熊猫汉达科技有限公司,南京210000

出　　处：《数字通信世界》2020年第4期28-29,共2页Digital Communication World

摘　　要：卫星通信是实现全球应急通信的一种重要手段,卫星通信车载站采用车载平台,可在停驻状态下和运动中实现与其他各种站型的话音、数据和图像等类型信息的双向传输,具有机动灵活,功能强大的特点,应用最为广泛.文章对车载会议室及音视频系统做了深入探究,通过对音视频管理服务器、音视频切换分系统、无线传输分系统等组成部分进行详细研究,给出了切实可行的设计方法,并进行了实用验证.Satellite communication is an important means to achieve global emergency communication.Satellite communication vehiclemounted stations use vehicle-mounted platforms to realize bidirectional transmission of voice,data and image information with other types of stations in parking and in motion.They are fl exible,powerful and widely used.In this paper,the in-vehicle conference room and audiovideo system are deeply explored.Through the detailed study of audio-video management server,audio-video switching subsystem,wireless transmission subsystem and other components,a feasible design method is given and verifi ed in practice.

关 键 词：卫星通信车载站 音视频系统 音视频管理服务器 音视频切换分系统 

分 类 号：TN927.2[电子电信—通信与信息系统]