It will need different microchips to reconvert the digital code back into normal TV signals.把数字信号重新转换回通常的电视信号需要另外的微芯片。The digital signal travels down wires to the server.数字信号沿着线路传到服务器。It receives an analog video signal and converts it to a digital signal.它接收模拟视频信号,并将其转换为数字信号。