The later technique putting forward the conception of the sliding window, which changes the GOP sizes in the CBR (constant bits rate) method, can make the effect of encoded sequence better if it cooperates with the former.

• 后者提出滑窗的概念 ,对恒码率编码 ( CBR)的 GOP的大小进行改变 ,使其配合前者 ,从而达到更好的视频编码效果