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。
MPEG4 is a video coding technology with the characters of high compression ratio, low requirement for transmission bandwidth and high quality of image.
另外，本文还利用一种编码技术来降低存储和带宽的需求，而几乎不损失精度。
In addition, we use an encoding technique to lower the storage and bandwidth requirements, while maintaining almost the same precision details.
但是在网络带宽受限情况下，这些视频编码技术仍旧难以达到令人满意的效果。
When the network bandwidth is limited, these video coding technology is still difficult to achieve satisfactory results, and prone to errors during transmission.
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