A Dynamic Synchronization Method for Multimedia Delivery and Presentation based on QoS

QoS를 이용한 동적 멀티미디어 전송 및 프리젠테이션 동기화 기법

  • 나인호 (군산대학교 정보통신공학과) ;
  • 양해권 (군산대학교 정보통신공학과) ;
  • 고남영 (군산대학교 전파공학과)
  • Published : 1997.12.01

Abstract

Method for synchronizing multimedia data is needed to support continuous transmission of multimedia data through a network in a bounded time and it also required for supporting continuous presentation of multimedia data with the required norminal playout rate in distributed network environments. This paper describes a new synchronization method for supporting delay-sensitive multimedia Presentation without degration of Quality of services of multimedia application. It mainly aims to support both intermedia and intermedia synchronization by absorbing network variations which may cause skew or jitter. In order to remove asynchonization problems, we make use of logical time system, dynamic buffer control method, and adjusting synchronization intervals based on the quality of services of a multimedia. It might be more suitable for working on distribute[1 multimedia systems where the network delay variation is changed from time to time and no global clock is supported. And it also can effectively reduce the amount of buffer requirements needed for transfering multimedia data between source and destination system by adjusting synchronization intervals with acceptable packet delay limits and packet loss rates.

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