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节目制作、播出和传输是广播电视技术的三个重要环节。随着计算机技术的飞速发展,数字技术以其无可比拟的优越性在广播电视领域得到越来越广泛的应用。目前,在节目制作领域,数字化演播室、数字非线性编辑系统的迅速发展使节目制作过程的数字化程度越来越高;在传输领域,光纤技术、数字视频压缩和调制技术的发展,为信号的数字传
Program production, broadcasting and transmission are three important aspects of radio and television technology. With the rapid development of computer technology, digital technology has been more and more widely used in the field of radio and television with its unparalleled superiority. At present, in the field of program production, the rapid development of digital studio and digital non-linear editing system has made the digitalization of program production process higher and higher. In the field of transmission, the development of optical fiber technology, digital video compression and modulation technology, Digital transmission