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随着广播事业的迅速发展,对内对外广播节目不断增加。值班员由原来操作一套播出节目,增加到同时操作两套播出节目。节目增加,操作频繁,两个台播音互相干扰,稍有照顾不周,就有出现空播的可能,直接威胁安全播音。为此,我们在录音机放音放大器输出端装了报警器。当播出节目电平低于正常值25分贝时,经过15秒后,报警器自动报警。声音恢复正常时,报警器马上停止。此报警器可以提醒值班人员及时倒盘和尽快发现故障,减少
With the rapid development of broadcasting, the number of domestic and foreign radio programs continues to increase. Watchman broadcast a program from the original operation, increased to operate simultaneously broadcast two programs. Increasing the number of programs, frequent operations, two Taiwan broadcasting interfere with each other, a little careless, there is the possibility of airing, a direct threat to safe broadcasting. For this reason, we installed an alarm at the output of the recorder amplifier. When the broadcast program level below normal 25 dB, after 15 seconds, the alarm alarm. When the sound returns to normal, the alarm stops immediately. This alarm can remind the shift staff timely panic and find fault, reduce