4g无线技术应当能让文件几乎在瞬间下载，并能收看高清晰度视频。
4g wireless technology should allow documents to be downloaded almost instantaneously and videos to be watched in high-definition quality.
该系统实现了视频的实时捕捉、预览，图像清晰，利用MPEG-4实时编码技术存储图像，节省存储空间，实现长期录像。
The system implements video real-time capture, preview, image clear, and uses MPEG-4 real-time encoding technology to save image, reduces memory space and realizes longtime video.
论述了运动补偿技术在序列图像或实时视频信号编码中的重要作用，给出了其主要算法，并介绍了其在数字高清晰度电视系统中的应用。
The significant role of motion compensation technology was stated in this paper for which to be used in the sequence images or real time video signal coding. A main calculation method was presented.
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