Digital technology has begun to be applied into the production of TV broadcasting at 1970 as a subsidiary technollogy for VTR. since then many kinds of digital equipments, including the special effect unit of image, have been utilized in some broadcas...
Digital technology has begun to be applied into the production of TV broadcasting at 1970 as a subsidiary technollogy for VTR. since then many kinds of digital equipments, including the special effect unit of image, have been utilized in some broadcasting systems, and in recent days with the utilization of digital VTR and digital satellite broadcasting of KBS, we are on the threshould of main stream of digital era. Furthermore, internal flow of broadcasting systems are strictly accelerated toward the goal of digitalization of all process including program production, transmission and reception of electric waves.
A progress of digital transmission technology including compression has brought the ability of mutual interface with other media and the promotion of extensibility, eventually making a multi media era come much faster. In the 21-st century media like broadcasting, communication, computer etc. will be integrated by the technology of digital, this means a new multi media era, different from the past, developed into a trend of interactive information transmission in which end-user can select the information by his own intention rather than the one-to-multiple transmission method, will be come true. To make this come true it is essential to look up the type of service and method to realize from the end-user's view, and also a development of easy system should be followed. To do that a basic understanding of digital technology is required, and research and development are also mandatory for the improvement of quality of information. The broadcasting, the leader in multimedia era, is on the sharp edge to change its internal attributes by doing turnovers in itself, and it is clear to make great effects on the multi-media society in the future.