基于FPGA的模拟视频信号到SDI信号转换的实现  

Analog Video Signals Converted to SDI Signals Based on FPGA

作　　者：张晓晶[1] Zhang Xiaojing(BeiJing Polytechnic,BeiJing 100176)

机构地区：[1]北京电子科技职业学院,北京100176

出　　处：《数字技术与应用》2017年第11期59-61,共3页Digital Technology & Application

基　　金：北京电子科技职业学院"促进高校内涵建设-师资队伍建设-校内专业教学团队和优秀人才培养计划";课题编号CJGX 2017-SZJS-007-22

摘　　要：随着眼下数字电视的普及和多媒体技术的迅猛发展,数字视频数据日益增多。数字化引起了电视技术领域的极大变革。如何将已经存在的模拟视频信号转换为SDI信号已经成为一个重要的课题。目前,我国处于模拟、数字信号并存阶段,而模拟视频信号到SDI信号的转换就是这个过渡阶段必不可少的关键性技术。本文介绍了一种基于FPGA芯片的实时视频图像处理系统。详细讨论了从模拟复合视频信号CVBS到SDI信号之间的转换过程。经实验结果证明,本设计基本实现了模拟视频信号到SDI信号的转换,达到了一定的预期效果。With the popularity of digital television now and the rapid development of multimedia technology,digital video data is increasing.Digital TV technology caused a great change.How to transform analog video signals existed to SDI signal has become an important issue.At present,We are in a phase that analog signals and digital signals are co-existenced,while the analog video signals to SDI signal conversion is the key technology essential to the transition phase.This topic describes the FPGA-based real-time video image processing system.Finally,the experimental results provethat the design of the basic realization of analog video signals to SDI signal conversion.

关 键 词：模拟信号 SDI信号 FPGA I2C总线 

分 类 号：TN791[电子电信—电路与系统]