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。

youdao

Due to the limited bandwidth of communication channel, it is necessary to control the bit rate output of video coding.

由于通信信道带宽有限，有必要对视频编码的输出码率进行控制。

youdao

The invention utilizes the relevancy among the video picture frames to dynamically adjust the channel bandwidth and can reduce prediction error and allocate channel more correctly.

本发明利用视频画面帧间的相关度来动态调整信道带宽，能够减少预测误差，使信道分配更准确。

youdao