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基于TMS320DM642的视频采集卡设计

消耗积分:10 | 格式:rar | 大小:1147 | 2010-12-03

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 针对构建高稳定性、高鲁棒性的多媒体数字监控系统设计并实现了一款基于TMS320DM642型数字信号处理器的四路实时MPEG-4视频采集兼压缩处理PCI板卡。详细介绍TMS320DM642的硬件架构、板卡的硬件构成和核心模块的实现，分析板卡设计中的难点及关键技术。实验结果表明，该板卡在不降低视频质量的前提下能够满足对4路CIF分辨率的视频图像进行采集、实时编码和通过PCI接口传输的要求，为远程视频监控提供有效的硬件支持，具有广阔的市场前景。
Abstract:
 ?Aiming at the needs of high stable and robust multimedia digital surveillance system, a four-channel real-time MPEG-4 video capturing and processing PCI board based on TMS320DM642 is de?signed and plemented.The hardware architecture of TMS320DM642 DSP,the hardware structure of the PCI board and? implemention of core module sections are described.The difficulty and key tech?nique during the PCB design are .Experiment simulation shows that the PCI board can fulfill the demands of four-channel video image capturing,real-time encoding and data transmission via PCI interface without decreasing of video quality.It provides the hardware support for remote surveillance system and has a comprehensive market prospect.
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