At present, there are two types of set-top boxes configured in Ningbo digital TV, one is basic set top box, which supports digital TV; the other is interactive set-top box, which supports interactive digital tv. Because cable TV front-end and network transmission are digital signals, and the vast majority of users still use analog TV, so you must install a set-top box on the existing analog TV set. The set-top box is also a home multimedia terminal.
It has real-time operating system hardware architecture is similar to the home computer and special decoding and application software, not only has the digital TV signal, complete TV function, it can also bring convenience for users of other functions, so as to change the user viewing habits and ways.
It decodes and decodes digitally compressed images and sound signals, producing analog signals that are transmitted to viewers via television monitors and audio devices.