Digital hard disk video recorder system has been playing an important role in various application regions. Record function module is its core.

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。

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There are several modules both used in video recorder and video player, such as: hard disk driver module, file system module and OSD module.

硬盘节目录制与硬盘节目回放功能中存在功能相同的模块，例如：硬盘驱动模块、文件系统模块、OSD菜单显示模块等。

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Encoders offer local recording on compact flash or external hard-disk drive via USB, recording on network-attached RAID storage units, or recording with a central network video recorder.

编码器通过US B接口提供本地录制闪存或外部硬盘驱动，通过网络附加RAID存储系统或中央网络视频录像机录制。

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