In the decoder, an end-of-block( EOB) position of an incoming block received by the decoder is determined and a discrete cosine transform( DCT) block type is determined based on the determined EOB position.

• 在该解码器部分，将收到的输入区块中决定一区块终止的位置，并根据此区块终止位置决定一种离散馀弦转换区块形式。