近日,天津塘沽区的数字电视正式开播,20套高质量的电视节目通过改造后的有线电视线路走进区內百姓家庭。 由于目前使用的电视机需要加装一个机顶盒,将数字信号转变成普通电视能够接收的模拟信号才能接收,因此,塘沽区此次数字电视工程的很大部分投入是为每个用户提供机顶盒,按全区12万用户计算, Recently, the digital television in Tanggu District of Tianjin officially started broadcasting 20 sets of high-quality television programs through the transformed cable television lines into the people’s homes in the district. Due to the current need to install a TV set-top box, the digital signal into an ordinary TV can receive analog signals to receive, therefore, Tanggu District, a large part of the digital television project is to provide each user set-top box, press The region 120,000 user computing,