许多日本人都通过1seg来看电视，那是一种传送图像、声音和数据的地面数字播放服务。

Many Japanese watch television on 1seg, a mobile terrestrial digital-audio and video-data broadcasting service.

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电视节目传输数字化已成为趋势，数字视频广播使通过广播业务提供宽带数据服务成为可能。

Digitalization of TV program becomes the trend. It is possible to provide broadband data service through DVB. The specifications about data broadcast of DVB are outlined in this paper.

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