数字视频系统录像与回放技术的研究
首发时间:2012-11-21
摘要:本文根据系统的需求,设计了多路数字视频系统的录像与回放模型,同时通过研究基本录像存储策略的特点,针对其不足之处,提出了一种优化的视频存储模型,该模型可以降低磁盘碎片,提高磁盘利用率,同时还可以提高视频的检索速度。然后本文对设计的模型进行实现,并将代码集成到数字硬盘录像机系统中进行测试,测试效果满足系统的录像和回放指标。
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Research on recording and playback technology of Digital video
Abstract:In this paper,we design a video recording and playback model of multi-channel digital video system. Then based on its' shortages,we put forward an optimized video storage model through research in basic vedio storage strategy's characteristics. The new model can reduce disk fragmentation, improve disk utilization and the retrieval speed of video at the same time. Finally, we simulate our model and test it through integreting code to digital video recorder system. The result can meet system's video recording and playback index.
Keywords: Digital Video video storage recording playback
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