In a manner similar to the encoder, the decoder may consist of two separate decoders, or a single decoder that alternates which previous decoded frame it uses to perform the prediction.

• 在某种程度上与编码器相同的是，解码也可以由两个相互独立的解码器组成，或者是一个单一的对先前解码帧的预测进行补充的解码器。