摘要
介绍了轨道交通广播工程新技术应用,提高了广播系统的安全性与保密性。系统的用户体验更佳,系统施工简化,改善了系统的薄弱环节广播功放的智能切换和维护替换方式。提高了广播扩声的语音清晰度,以及广播系统在突发紧急情况下的可靠性。
New technology to track traffic broadcast system is introduced, and the confidentiality and security of the broad- cast system is improved, which makes user experience is preferred and system construction is simplified, The weak link of broadcast power amplifier, intelligent switch and maintenance replacement method is improved, as with the speech intelligibility of broadcasting and system reliability in emergency.
作者
王齐祥
张孝兵
WANG Qixiang ZHANG Xiaobing(Guangzhou DSPPA Audio Co. , Ltd. , Guangzhou 510450,China)
出处
《电声技术》
2016年第11期7-11,共5页
Audio Engineering
基金
广东省产学研项目(2013b090600016)
关键词
轨道交通
公共广播系统
安全性
数字功放
rail transit
public broadcasting system
security
digital amplifier
