Wx2009 DTV 数字电视教学实验手册上海吾信电子科技有限公司 2 目录缩略语表................................. ................................................................................................................................. .3 第一章数字电视.................................. ........................................................................................................... ..5 基本概念................................. ........................................................................................................... . ......... ..5 分类................................. ........................................................................................................... . ..................... 6 新业务................................. ........................................................................................................... . ................ 6 认识误区................................. ........................................................................................................... . ........... 8 第二章数字电视系统................................. .................................................................................................. 9 系统总体框架................................. ........................................................................................................... ..9 数字电视标准................................. ........................................................................................................... . 11 MPEG 编码标准................................. ........................................................................................................ 12 MPEG-1 ................................. ........................................................................................................... . ..... 12 MPEG-2 ................................. ........................................................................................................... . ..... 13 MPEG-4 ....
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