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4.视频编码器视频编码器采用AD公司生产的ADV7171芯片,内部功能方框图如图7所示。它直接与MPEG解码器的视频数据输出口连接。MPEG解码器输出的视频数字信号送入视频编码器进行数字编码。
4. Video Encoder Video encoder using AD produced ADV7171 chip, the internal functional block diagram shown in Figure 7. It is directly connected to the MPEG decoder’s video data output. MPEG decoder output video digital signal into the video encoder for digital coding.