The Journal of the Korea institute of electronic communication sciences (한국전자통신학회논문지)

Korea Institute of Electronic Communication Science (한국전자통신학회)
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Power Line Communication Based Public Address System

전력선 통신 기반 전관방송 시스템

  • Kim, Seok ;
  • Kim, Dae-Ik (School of Electrical, Electronic Communication, and Computer Engr., Chonnam National University)
  • 김석 (건양대학교 의공학부) ;
  • 김대익 (전남대학교 전기전자통신컴퓨터공학부)
  • Received : 2017.07.21
  • Accepted : 2017.12.15
  • Published : 2017.12.31
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Abstract

In this paper, we implement a public address system using power line communication in order to operate, extend, and expand the complicated public address devices and cables easily. Power line communication based public address system implemented consists of a public address control board and public address speaker boards which are suitable to digital streaming modulation. It can be noticed that we met satisfied results from performance measurement such as maximum audio output, audio channel response time, audio output SNR, and audio output THD+N.

본 논문에서는 복잡한 전관방송 장비와 케이블을 용이하게 운용하고, 확장 및 증설할 수 있도록 전력선 통신을 이용한 전관방송 시스템을 개발하였다. 전력선 통신 기반 전관방송 시스템은 디지털 스트리밍 변조 방식을 적용한 제어 보드와 스피커 보드로 구현되었으며, 오디오 최대 출력, 오디오 채널 응답 시간, 오디오 출력 SNR, 그리고 오디오 출력 THD+N에 대한 성능 측정을 실시하여 만족스러운 결과를 확인할 수 있었다.

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References

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