Since the 1970s, television programs, as well as audio and video recordings, have been available. It was then used to capture and view digital media, such as DVDs. A typical television set contains a number of electronic circuits that carry out radio tuning and the conversion of video signals into original audio signals. Imaging devices that do not include these circuits are called monitors, not televisions. In addition to conventional television and audio signals, security television; It can also be built for systems such as digital TV and high definition television.

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