十堰电视台新闻数字直播系统  

Shiyan TV News Digital Broadcast System

作　　者：赵虎 孙飞 严礼明 丁毅 杨超峰 胡甜 

机构地区：[1]湖北十堰广播电视台,湖北十堰442000

出　　处：《电视技术》2015年第20期86-90,共5页Video Engineering

摘　　要：描述了十堰电视台新闻直播系统的组成及功能,分享了Blackmagic Design数字切换台、数字矩阵、大洋科技的图文在线包装系统、迪乐普的虚拟演播室系统和极速studio播出视频服务器等关键技术。分析了直播系统的视音频信号流程,介绍了视音频信号的调度、分配、应急措施。运用音频混嵌技术,简化了信号流程,节省了设备资源。The composition and function of Shiyan TV newslive broadcast system is described, to share the Blackmagic design digital switching platform, digital matrix, graphic packaging system of Dayang and technology online, the virtual studio system DLP, the key technology of video server speed studio broadcast. The audio signal process broadcast system, video and audio signal, scheduling, allocation of emergency measures are also analyzed. The use of embedded audio mixing technology, simplifies the signalprocess, saving the equipment resources.

关 键 词：数字切换台 视频服务器 虚拟演播室系统 在线包装 音频混嵌 

分 类 号：TN948[电子电信—信号与信息处理]