With the establishment of video compression encoding standard, the contradiction between video communication and channel bandwidth is released greatly.

视频压缩国际编码标准的建立，使视频通信与信道带宽之间的矛盾得到极大的缓解。

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MPEG4 is a video coding technology with the characters of high compression ratio, low requirement for transmission bandwidth and high quality of image.

MPEG4是一种压缩率高、对传输带宽要求低、图像质量高的图象编码技术。

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To transmit video in real time in the network requires robust and wide bandwidth and efficient method of video compression.

实时视频网络传输需要稳定的、大的数据带宽和高效的视频压缩方法。

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