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1 什么是电视机顶盒 电视机顶盒是一种扩展电视机功能的新的家用电器,由于人们通常将它放在电视机上边,所以称为电视机顶盒,电视机顶盒亦简称机顶盒(STB:Set Top Box)。它可以把卫星直播数字电视信号、地面数字电视信号、有线电视网数字信号甚至互联网的数字信号转换成模拟电视机可以接收的信号,使现
1 What is a TV set-top box? A television set-top box is a new type of household appliance that extends the functionality of a television set. It is called a television set-top box, which is also referred to as STB (Set Top Box) for short as it is usually placed on a television set. It can be the satellite broadcast digital TV signals, digital terrestrial television signals, cable networks and even the Internet digital signals into analog TV signals can be received so that