地面数字电视播出自动监测系统设计  

Design of Automatic Monitoring System for DTTV Broadcasting

作　　者：周松林[1] 李衍奎 沈龙辉 易智 沈毅鸿[3] 

机构地区：[1]湖南广播电视台,湖南410005 [2]岳阳电视转播台,湖南414000 [3]大连理工大学,辽宁116034

出　　处：《广播与电视技术》2017年第2期123-125,共3页Radio & TV Broadcast Engineering

摘　　要：本设计基于AT89S52单片机技术,实现了对数字电视发射与接收情况的自动循环监测与报警。本设计结合了湖南地面数字电视AVS+示范网工程建设和维护经验,针对模拟电视无线数字化后管理的新要求,采取对节目视音频信号并行监测等方法,能够准确进行声光报警。本设计操作简单,功能实用,有着良好的应用和推广价值。Based on the AT89S52 microcontroller technology, this design achieves the digital TV transmission＇s and reception＇s automatic cycle monitoring and alarm. The design adopts the construction and maintenance experience of the Hunan DTTV AVS＋ demonstration network project. According to management new requirements after analog TV wireless digitalization, we adopt the method of parallel monitoring of the program video and audio signal to carry out sound and light alarm .The design is simple, functional and practical, and has a good application and promotion value.

关 键 词：AT89S52单片机 地面数字电视 自动循环 监测 安全播出管理 

分 类 号：TN949.197[电子电信—信号与信息处理]