传统的方法采用图像复制的差错隐藏机制和冗余关键帧抗差错编码结合的技术，由于用与丢失帧距离较远的帧来代替丢失帧，效果不是很好。
The conventional redundant-key-picture error resilience with picture-copy error concealment method may not be efficient due to copy with large distance to the lost picture.
传统的方法采用图像复制的差错隐藏机制和冗余关键帧抗差错编码结合的技术，由于用与丢失帧距离较远的帧来代替丢失帧，效果不是很好。
The conventional redundant-key-picture error resilience with picture-copy error concealment method may not be efficient due to copy with large distance to the lost picture.
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