在美国,虽然公共电视网的节目深入百分之九十五以上的家庭,但是各电视网在各地只能有一个播出频道,因此在过去的十几年中,只能沮丧地看着有线电视和直播卫星电视抢走了自己的观众。事实上,根据有线电视公司的预测,尽管有线电视和卫星直播电视只进入美国70％的住户家庭,有线电视的用户数到今年夏天将会第一次超过NBC、ABC、CBS和FOX美国四大广播电视网观众人数的总和。 In the United States, while networks on the public television network go deep into more than 95% of households, there can only be one broadcast channel in each of the networks. Therefore, in the past ten years or so, it has been only frustrating to watch the cable TV and direct broadcast satellite television robbed their audience. In fact, according to cable companies, cable and satellite television will reach beyond the top four in the United States by NBC, ABC, CBS and FOX for the first time this summer despite the fact that only 70% of households in the United States are cable and satellite-only The total number of viewers on the radio network.