摘要
2008年起我国用地面国标(C-std)大规模启动地面数字电视广播,在8个城市实现2008北京奥运会的HDTV实况转播,但其视频编码仍然采用技术已落后的MPEG-2技术,即单国标。本文介绍双国标(C-std+AVS视频编码)SDTV和HDTV的4种技术模式,分别用以服务农村家庭和中心城市家庭。
Digital terrestrial television broadcasting (DTTB) in Chinese Standard (C-std) has been started in China in large scale since the beginning of 2008, and real-time broadcasting of 2008 Olympic Games in HDTV has been realized in eight cities, but MPEG-2 video coding, an out-of-date technique, has been used in Mono Chinese Standard. In this paper, SDTV and HDTV of DTI'B in Dual Chinese Standards (C-std + AVS video coding) are introduced with four technical modes, in order to serve both rural and center cities families, respectively.
出处
《电视技术》
北大核心
2009年第4期8-10,共3页
Video Engineering