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      음성 통화 저장 기능을 제공하는 고속전철용 Event Recorder 연구 = Study of Event Recorder with Recording Voice Communication

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      https://www.riss.kr/link?id=A76248509

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      A event recorder system stores a train speed and the related information for train operation in real time. Using those information, we can analysis the train operation and the reason of train accident. Currently the event recorder only manipulate th...

      A event recorder system stores a train speed and the related information for train operation in real time. Using those information, we can analysis the train operation and the reason of train accident. Currently the event recorder only manipulate the data related the train operation mechanically and electrically. In this paper we propose the event recorder to record the voice communication between the manager in the control center and train operator. By recording the voice communication in the high speed train, the correctness of analysis of train accident can be increased. The system architecture of the event recorder with voice recording is studied and interface between other equipment is proposed. And the software architecture of new event recorder is developed. We study the method of converting analog voice signal into digital data and compressing method. Also the architecture of memory to store the compressed voice data and regeneration of original analog voice are studied.

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      목차 (Table of Contents)

      • ABSTRACT
      • 1. 서론
      • 2. 본문
      • 3. 결론
      • 감사의 글
      • ABSTRACT
      • 1. 서론
      • 2. 본문
      • 3. 결론
      • 감사의 글
      • 참고문헌
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