基于SAA6752HS的视频压缩卡的设计方法  

Design of Video Stream Sampling and Compression Block Based on SAA6752HS

作　　者：官胜国[1] 陈言言[1] 

机构地区：[1]北京航空航天大学机械工程及自动化学院,北京100083

出　　处：《军民两用技术与产品》2007年第8期35-36,46,共3页Dual Use Technologies & Products

摘　　要：介绍了SAA6752HS的功能及其外围电路的设计、视频流信号采集、USB协议在视频流传输方面的使用、配置SAA6752HS、SAA7114及ISP1581的方法;设计了一款能够对视频流信号实时采集压缩成MPEG-2形式并通过USB接口传输到上位机的视频采集卡系统。The function of SAA6752HS and the way to design it＇s peripheral circuit are introduced, The means to sample video stream and the way to use USB2.0 protocol in video steam transformation are introduced. The way to use SAA6752HS, SAA7114 and ISP1581 and the software of system control are presented. A system of video compression card was designed.

关 键 词：SAA6752 MPEG-2编解码 USB2.0 

分 类 号：TP334.7[自动化与计算机技术—计算机系统结构]