广播电视产业从引入计算机技术开始,得到了飞速的发展,并朝着网络化、数字化、自动化的方向大步前进。广播电视一直是在新技术的推动下发展起来的,由于他们的表现性质是信息,所以在其制作、储存、编辑、传输、播出、接收等过程中,数字技术不断地渗透,正在经历着一个从模拟系统到数字系统的技术改造过程,即广播电视系统的数字化进程。 Since the introduction of computer technology, the radio and television industry has witnessed rapid development and has made great strides in the direction of networking, digitization and automation. Radio and television have always been developed under the guidance of new technologies. Due to their performance nature of information, digital technologies continue to infiltrate and experience the process of making, storing, editing, transmitting, broadcasting, receiving and so on A technological transformation from analog systems to digital systems, that is, the digitization of broadcast television systems.