At present, the domestic real-time programs without subtitles, as the news network, sporting events and other major CCTV Spring Festival Evening program. Do not facilitate the hearing-impaired population, ethnic minority areas and Putonghua is not universal and so the crowd viewing area. Cong company opened a research and development subtitles simultaneously broadcast software, free download for users watch. Cong open company offers services, the scene of the subtitles transmitted to millions of households through the network computer, in order to demand an immediate crowd subtitles facilitated.
        From February 2007, the opening part of the daily Cong CCTV live program to provide long-term real-time subtitle services. Just a TV card or a TV box, then click open Cong Web site to download software, after installation you can watch the whole scene live subtitles. Following is the installation of open-tsung subtitles synchronization software interfaces revealed.