基于DM6467T的音视频采集模块设计  

Design of Audio and Video Collection Module Based on DM6467T

作　　者：余涵[1] 夏显成[1] 杜亚娟[1] 

机构地区：[1]中国电子科技集团公司第三十二研究所,上海200233

出　　处：《计算机工程》2013年第11期312-316,共5页Computer Engineering

摘　　要：针对高度集成的DaVinci数字媒体处理器应用,提出一种高性能嵌入式音视频采集模块设计方法。采用TMS320DM6467T作为核心处理单元,结合图像编、解码驱动芯片TVP5150、SII9125、ADV7342,实现视频的多路输入输出。通过对电压、电流、温度的实时监控,并辅助机内自检的方法,实现模块的健康管理功能。模块设计遵循3U CPCI规范、功能接口丰富、便于后天加固,经实验证明,该模块可满足车载移动环境中对终端设备的高性能、高可靠、高安全应用要求。Aiming at the application of high-integrated DaVinci digital media processor, this paper proposes a high performance design method of embedded audio and video collection module. The module uses TMS320DM6467T as the core processing unit, and combines image coding and decoding chips including TVP5150, SII9125, ADV7342 to realize multi video I/O, and it realizes the functions of health management through monitoring voltage, current, temperature and BIT. The module design complies with 3U CPCI standard and it has rich function interface, is easy to reinforce. Experiment proves that the module can meet the high performance, high reliability and high safety application requirements of terminal equipment for vehicle mobile environment.

关 键 词：达芬奇数字媒体处理器 TMS320DM6467T可编辑平台 视频采集 多媒体编码 多媒体解码 图像处理 嵌入式 

分 类 号：TP311[自动化与计算机技术—计算机软件与理论]