基于SAA7113H和ADV7175A视频信号制式分解与合成  

Video Signal Decoder and Encoder Based on SAA7113H and ADV7175A

作　　者：邓程华[1] 张家田[1] 秦占领[2] 

机构地区：[1]西安石油大学电子工程学院,陕西西安710065 [2]南昌航空大学,江西南昌330034

出　　处：《自动化信息》2007年第3期42-43,86,共3页Automation Information

摘　　要：本文介绍了集成视频解码芯片SAA7113H和编码芯片ADV7175A在井下电视系统视频图像处理中的应用，给出了数字信号处理器ADSP2189通过I^2总线对SAA7113H和ADV7175A的控制寄存器的初始化控制。应用结果表明，该系统运行稳定可靠，具有一定的实用性和推广价值。This article introduces the application of an integrated video decoder chip SAA7113H and a video encoder ADV7175A in video image processing of the down-hole video system, providing the initialization of control register by ADSP2189 through I^2C. The application shows that this system runs stably. The technology and methods adopted in the system are proved practical and worthy of being popularized.

关 键 词：编码器 解码器 视频信号 I℃总线 

分 类 号：TN957.52[电子电信—信号与信息处理]