安全播出是广电部门的生命,实现安全播出是每一个广电人不懈的追求。1引言安全播出是广电部门的生命,实现安全播出是每一个广电人不懈的追求,除了增强从业人员的责任感、使命感外,如何通过技术手段来保障播出传输安全,成了摆在各级广电部门面前的永恒课题。从技术角度讲,实现安全播出的核心就是一个 Security broadcast is the life of radio and television departments, to achieve safe broadcast every radio and television people tireless pursuit. 1 Introduction Security broadcast is the life of the radio and television departments, to achieve safe broadcasting is the relentless pursuit of every SVA, in addition to enhancing the sense of responsibility of employees, the sense of mission, how to protect the broadcast transmission through technical means, has become Radio and television departments at all levels before the eternal issue. From a technical point of view, the core of security broadcast is one