
Cinematography. Television usage. Specification for position and dimensions of picture areas for motion-picture films and slides for television
出版:British Standards Institution

專家解讀視頻
Defines those areas of the images on 35 mm and 16 mm motion-picture films and on 5 cm x 5 cm slides which are transmitted by television, together with the safe action and title areas within which any pictorial or written matter may be expected to be received on a domestic television receiver.
? British Standards Institution 2013