An ITU-T Rec. H.222.0 | ISO/IEC 13818 multiplexed bit stream is either a Transport Stream or a Program Stream. Both streams are constructed from PES packets .

• PES分组为什么会比传送流分组大呢；我得理解怎么是反过来；我以为传送流是由PES构建的啊.；依据如下: