Efficient Multiplex Audio Monitoring System in Digital Broadcasting

Yoowon Kim; 손석원; 조근식

Journal of The Korea Society of Computer and Information

Abbr : JKSCI
2008, 13(7), pp.91-98
Publisher : The Korean Society Of Computer And Information
Research Area : Computer Science

Yoowon Kim ¹, 손석원 ², 조근식 ³

¹반도전자통신(주)
²호서대학교
³인하대학교

ABSTRACT

In digital broadcasting, it is possible to multiplex maximum one hundred audio or music programs into MPEG-2 transport stream, which is suitable for transmitting through one channel. In order to check if multiplex music programs are transmitted well, we need a multiplex audio monitoring system that monitors the programs in real-time. In analog broadcasting, we have used hardware-based audio monitoring system for a small number music programs. However, the effectiveness of hardware-based audio monitoring system from the cost and function viewpoint is so low that a new system is needed for digital broadcasting. In this paper, we have designed and implemented a software-based audio monitoring system to satisfy these requirements. In this implementation, only one PC is used without other hardware facilities, and the system monitors digital broadcasting music programs effectively. Transmitted digital broadcasting streams are demultiplexed into many music programs and the realtime value of audio level and packet error information for these programs are displayed in the screen. Thus, the system detects and shows the abnormal transmitting programs automatically. Simulation results show that effective realtime multiplex audio monitoring is possible for digital broadcasting music programs.
KEYWORDS

오디오 모니터링 시스템(Audio Monitoring System), 디지털 방송(Digital Broadcasting), 디지털 음악방송(Digital Broadcasting Music Program). MPEG-2 전송 스트림(MPEG-2 Transport Stream)
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KCI Citation (2)

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