电缆广播 meaning in English

cable radio
cablecast

Digital video broadcasting . implementation guidelines for the use of mpeg - 2 systems . video and audio in satellite and cable broadcasting applications
数字视频广播. mpeg - 2系统的使用执行指南.卫星和电缆广播用的视频和音频
Dttb ( digital television terrestrial broadcasting ) is one of the present digital television broadcasting modes , whose transmission media is earth . after a decade of intense research and development , the standards of digital television satellite broadcasting and digital television cable broadcasting have been confirmed . but the standard of digital television terrestrial broadcasting is still in disputation , for its transmission environment is rather awful , its spectrum resource is very limited and its service required is disperse , so it is potential to be improved in many aspects
数字电视广播发展近十年来，卫星和有线电缆广播的基本传输体制已确定，而地面广播由于传输环境恶劣，频谱资源有限，应用需求分散，其标准在各国仍有极大的争议，因为目前没有一套标准能解决实际地面传输中的所有问题，因此数字电视地面广播在许多方面都有很大的改进潜力。