电视图文信息频道播出系统的设计与实现  

DESIGN AND REALIZATION OF THE BROADCAST CHANNEL SYSTEM OF TELETEXT IN TELEVISION

作　　者：时涛 赵昇 雍泉 

机构地区：[1]贵州电视台播出部,贵州贵阳550002

出　　处：《贵州科学》2005年第3期73-75,共3页Guizhou Science

摘　　要：介绍基于自动切换播出的正程电视图文信息频道播出系统。与传统图文频道的播出方式相比,具有制、播分离,安全性、可靠性、可扩展性高等优点,可满足图文频道对多种媒体格式和各种大量的、时效性强的信息的播出要求。To introduce a newly automatic system of switch and broadcast the broadcast channel system of teletext. Compared with other old systems, it has many advantages such as producing and broadcasting separately, security, reliability and high expansibility. The system can meet the broadcast demand of many kinds of media and timely abundant information.

关 键 词：正程图文电视 自动播出 

分 类 号：TN94[电子电信—信号与信息处理]