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为完善多媒体数字视频监控系统,基于DM642的嵌入式网络视频服务器应运而生。本文首先介绍了网络视频服务器的概念,阐述了机型小、简便性、中心控制、可扩展性等特点以及方便性安装及维护、使用方便、智能性、衰减小、稳定可靠、无线传输等优势。此外,还介绍了DM642的嵌入式网络视频服务器的设计中的硬件设计及软件设计。为视频图像的压缩编码带来新的突破,达到监控系统视频图像的相关要求。嵌入式网络视频服务器介于其较高的可靠性、组网方便的优点使用率持续上升,但由于开发时间段,仍需对产品性能不断优化。
To improve the multimedia digital video surveillance system, based on DM642 embedded network video server came into being. This article first introduced the concept of network video server, elaborated the small size, simplicity, center control, scalability and other characteristics as well as convenient installation and maintenance, easy to use, smart, small attenuation, stable and reliable, wireless transmission and other advantages . In addition, it introduces the hardware design and software design of the DM642 embedded network video server. Bring a new breakthrough for the compression coding of video images, and achieve the relevant requirements of video images of the monitoring system. Embedded network video server between its higher reliability, the advantages of convenient network usage continues to rise, but due to the development time, still need to optimize the performance of the product.