06-04-2017 дата публикации
Номер: KR101724096B1
The present invention relates to a public address broadcasting technology, in which audio relay transmission apparatus for receiving various broadcasting sources (notification broadcasting in individual building, radio music broadcasting, etc.) is installed in every local public address system in an individual building (building, mart, school, etc.), an urgent broadcasting according to the emergency situation is connected to the audio relay transmission apparatus through the highest priority common channel, a plurality of local public address systems are parallelized as a whole, and thus various audio are managed according to context and buildings in a predetermined range are selectively grouped according to specific administrative needs, thereby delivering the urgent broadcasting with highest priority. According to the present invention, a plurality of local public address systems are parallelized, an urgent broadcasting audio of the system is connected to the audio relay transmission ...
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