本文通过对模拟，数字电视信号技多媒体数字通信传输

¨孵梗霸艰J公萸中儡格式的基本情况的分橱，提出TPAL制

和NTgC翩两种电视删式s公共中润格式的相互转换聚理，

井就数字税频瞄缘估号处殚所甩曲部分集成电路芯片作F简

要介绍，-In this paper, analog, digital TV signal transmission technology multimedia digital communication difficulties J Pa ¨ hatched male dogwood stems in puppet form the basic situation of the sub-cabinet, made TPAL two television system and NTgC Pina delete s public in the run-type format conversion polymer science, well on the edge of digital tax band aiming at the exhaust of the estimated number of curved part of the integrated circuit chip for rejection F brief,