This standard is mainly used by technical personnel, teachers and students in the radio and television industry. This standard specifies terminology specific to the visual and image quality of television broadcasting in the field of broadcasting and television.
1987GB/T 7400.7-1987 Broadcasting and television terminology--Television broadcasting--Visual and picture quality
GB/T 7400.7-1987 Broadcasting and television terminology--Television broadcasting--Visual and picture quality was changed to GB/T 7400-2011 Radio and television terminology.