Journal of the Korea Academia-Industrial cooperation Society (한국산학기술학회논문지)

The Korea Academia-Industrial cooperation Society (한국산학기술학회)
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Mechanism of Multimedia Synchronization using Delay Jitter Time

지연지터시간을 이용한 멀티미디어 동기화 기법

  • Lee, Keun-Wang (Dept. of Multimedia Science, Chungwoon University) ;
  • Jun, Ho-Ik (Dept. of Military Electronics for Non Commissioned Officer, Hyejieon College)
  • 이근왕 (청운대학교 멀티미디어학과) ;
  • 전호익 (혜전대학교 국방전자부사관과)
  • Received : 2012.10.12
  • Accepted : 2012.11.08
  • Published : 2012.11.30
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Abstract

In this paper we suggest multimedia synchronization model that is based on the Petri-net and services desirable quality of service requirement. Proposed model applies variable buffer which can be allowed, and then it presents high quality of service and real time characteristics. This paper decreases the data loss resulted from variation of delay time and from loss time of media-data by means of applying delay jitter in order to deal with synchronization interval adjustment. Plus, the mechanism adaptively manages the waiting time of smoothing buffer, which leads to minimize the gap from the variation of delay time. The proposed paper is suitable to the system which requires the guarantee of high quality of service and mechanism improves quality of services such as decrease of loss rate, increase of playout rate.

본 논문에서는 만족스런 서비스 품질을 제공하는 페트리 네트 기반의 멀티미디어 동기화 모델을 제안한다. 제안한 모델은 실시간 특징을 나타내는 데이터의 서비스 품질을 보장할 수 있는 가변적 버퍼를 적용하였다. 본 논문은 동기화 구간 조정을 처리하기 위해 지연 지터를 적용함으로써 트래픽 증가로 인한 미디어 데이터의 손실 시간 및 지연시간의 변화로 인한 데이터 손실을 감소시켰다. 그리고 스무딩 버퍼의 대기 시간을 가변으로 처리함으로써 지연시간의 변화로 인한 불연속을 감소시켰다. 제안된 논문은 고품질 서비스의 보장을 요구하는 시스템에 적합하며, 재생율 증가와 손실율 감소 등 서비스 품질을 향상시켰다.

Keywords

References

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