最全的ISO 11172， MPEG1全套文档 ISO_11172-1_MPGSYS.pdf ISO_11172-2.pdf ISO_11172-3_MPGAUDIO.pdf ISO_11172-3_ANNEX_AB.pdf ISO_11172-3_ANNEX_C.pdf ISO_11172-3_ANNEX_D.pdf ISO_11172-3_ANNEX_EFG.pdf MPEG_video_coding.pdf-ISO/IEC 11172- Informatio