数字硬盘录像系统在各个应用领域发挥着重要的作用，录像功能模块是其核心部分。
Digital hard disk video recorder system has been playing an important role in various application regions. Record function module is its core.
较为详细地介绍了HSD2002系列多媒体数字硬盘录像监控系统的组成、特点、功能及应用前景。
This paper introduces in detail the composition, features, functions and applying prospect of HSD2002 Series Multimedia Digital Hard Disk Video Monitoring System.
接下来从硬件和软件两个方面重点讨论了数字硬盘录像控制子系统的设计和实现。
Then the design and realization of the control subsystems of hardware and software were discussed respectively.
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