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在AES/EBU数字音频广播节目制作部门和播控部门之间,为了防止单通路线路故障情况,保证节目的可靠传送,通常采用不同路由、不同线路等备份手段,如果出现一路路由中断的情况,要求值班维护人员切换到另一路由。如果有程序控制的自动倒换设备,不但能够减轻值班维护人员的压力,而且能够显著提高播出质量,满中“安全优质”的播出要求。本文就 AES/EBU数字音频自动倒换设备的开发原理和实际安装调试作一个探讨。
Between the AES / EBU digital audio broadcasting program production department and the broadcast control department, in order to prevent the single-path line fault condition and ensure the reliable delivery of the program, different backup routes such as different routes and different lines are usually used. If there is a route interruption, Requires on-duty maintenance personnel to switch to another route. If you have a program controlled automatic switching equipment, not only can reduce the pressure on duty maintenance personnel, but also can significantly improve the broadcast quality, full “safe and high quality” broadcast requirements. This article on the AES / EBU digital audio automatic switching device development principle and the actual installation and debugging for a discussion.