An Isochronous Approach to Multimedia Synchronization in Distributed Environments

An Isochronous Approach to Multimedia Synchronization in Distributed Environments

Zhonghau Yang (Nanyang Technological University, Singapore), Robert Gay (Nanyang Technological University, Singapore), Chee Kheong Siew (Nanyang Technological University, Singapore), Chengzheng Sun (Griffith University, Australia) and Abdul Sattar (Griffith University, Australia)
Copyright: © 2002 |Pages: 18
DOI: 10.4018/978-1-930708-14-3.ch016
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Abstract

In this chapter, we provide a new look at the synchronization issue in distributed environments. We attempt to explore the power of isochronous protocols, as advocated by Lamport, to the multimedia synchronization. It is based on the use of synchronized physical clock time instead of any form of logical clock or sequence numbers, and thus the clock synchronization across the distributed system is assumed. An isochronous protocol for achieving multimedia synchronization is presented. Derived from the globally synchronized clock, there exists a lattice structure in a system. Media conference participating processes in the system execute a simple clock-driven protocol, and all significant events (the sending and delivering of media data) are restricted to occur at lattice points of the globally synchronized space/time lattice. This lattice structure greatly simplifies the multimedia synchronization and readily maintains the temporal and causal relationship among the media. The basic simplicity of the approach makes it easier to understand the precise properties and behavior of a system. The availability of globally synchronized clock (for example, the new version of Internet NTP) and predictable quality of service of advanced communication networks make the isochronous synchronization approach not only attractive but also practical.

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Table of Contents
Preface
Mahbubur Rahman Syed
Chapter 1
Vana Kalogeraki, Peter Michael Melliar-Smith, Louise E. Moser
Distributed multimedia applications are characterized by timing constraints and end-to-end quality of service (QoS) requirements, and therefore need... Sample PDF
Managing Real-Time Distributed Multimedia Applications
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Chapter 2
Zhonghua Yang, Robert Gay, Chee Kheong Siew, Chengzheng Sun
The Internet has become a ubiquitous service environment. This development provides tremendous opportunities for building real-time multimedia... Sample PDF
Building Internet Multimedia Applications: The Integrated Service Architecture and Media Frameworks
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Chapter 3
Naga Surendran, Yamuna Krishamurthy, Douglas C. Schmidt
Advances in network bandwidth and CPU processing power have enabled the emergence of multimedia applications, such as teleconferencing or streaming... Sample PDF
The Design and Performance of a CORBA Audio/Video Streaming Service
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Chapter 4
Nikolaos Sarris, Michael G. Strintzis
This chapter aims to introduce the potential contribution of the emerging MPEG-4 audio-visual representation standard to future multimedia systems.... Sample PDF
MPEG - 4 Facial Animation and its Application to a Videophone System for the Deaf
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Chapter 5
News on Demand  (pages 126-133)
Mark T. Maybury
Recently scientists have been focusing on a new class of application that promises on-demand access to multimedia information such as radio and... Sample PDF
News on Demand
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Chapter 6
Iraklis Kamilatos, Michael G. Strintzis
Medical teleconsultation with modern high power workstations can be implemented using distributed computing systems. This chapter presents an open... Sample PDF
A CSCW with Reduced Bandwidth Requirements Based on a Distributed Processing Discipline Enhanced for Medical Purposes
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Chapter 7
Timothy K. Shih
Multimedia presentations are suitable for instruction delivery. In a distance learning environment, multimedia presentations are lecture materials... Sample PDF
A Layered Multimedia Presentation Database for Distance Learning
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Chapter 8
Tadeusz Czachorski, Stanislaw Jedrus, Maciej Zakrzewicz, Janusz Gozdecki, Piotr Pacyna, Zdzislaw Papir
Delivering high quality video content to customers is now expected to be one of the driving forces for the evolution of the Internet as it can be... Sample PDF
QoS - Aware Digital Video Retrieval Application
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Chapter 9
Bhumip Khasnabish
This chapter discusses various issues related to the shaping of Motion Picture Experts Group (MPEG) video for generating constrained or controlled... Sample PDF
Network Dimensioning for MPEG-2 Video Communications Using ATM
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Chapter 10
Ray-I. Chang, Meng-Chang Chen, Ming-Tat Ko, Jan-Ming Ho
In multimedia applications, media data such as audio and video are transmitted from server to clients via network according to some transmission... Sample PDF
VBR Traffic Shaping for Streaming of Multimedia Transmission
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Chapter 11
Wonjun Lee, Jaideep Srivastava
In this chapter, we present a novel disk admission control algorithm that exploits the degradability property of continuous media applications to... Sample PDF
RAC: A Soft-QoS Framework for Supporting Continuous Media Applications
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Chapter 12
Silvia Giordano, Piergiorgio Cremonese, Jean-Yves Le Boudec, Marta Podesta
The traffic generated by multimedia applications presents a great amount of burstiness, which can hardly be described by a static set of traffic... Sample PDF
A Model for Dynamic QoS Negotiation Applied to an MPEG4 Applications
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Chapter 13
Marco Roccetti
Sophisticated applications of Internet multimedia conferencing will become increasingly important only if their users will perceive the quality of... Sample PDF
Playout Control Mechanism for Speech Transmission over the Internet: Algorithms and Performance Results
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Chapter 14
Fabien Costantini, Christian Toinard
The case study is derived into a set of general requirements for a VEP tool. Thus, the major functional services are identified. Afterwards, the... Sample PDF
Collaboration and Virtual Early Prototyping Using the Distributed Building Site Metaphor
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Chapter 15
Binh Pham
Many important collaborative applications require the sharing of dynamic visual data that are generated from interactive 3D graphics or imaging... Sample PDF
Methods for Dealing with Dynamic Visual Data in Collaborative Applications - A Survey
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Chapter 16
Zhonghau Yang, Robert Gay, Chee Kheong Siew, Chengzheng Sun, Abdul Sattar
In this chapter, we provide a new look at the synchronization issue in distributed environments. We attempt to explore the power of isochronous... Sample PDF
An Isochronous Approach to Multimedia Synchronization in Distributed Environments
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Chapter 17
Gabor Hosszu
The multimedia communication over the Internet needs the multicasting delivery scheme. In this chapter the sophisticated group management and... Sample PDF
Introduction to Multicast Technology
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Chapter 18
Antonio F. Gomez-Skarmeta, Pedro M. Ruiz, Angel L. Mateo-Martinez
Without doubt, multicast communication as a means for one-to-many or many-to-many delivery of data has become a hot topic in multimedia... Sample PDF
IP Multicast: Inter Domain, Routing, Security and Address Allocation
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Chapter 19
Jurgen Stauder, Fazli Erbas
In the last few years the rapidly growing Internet has pushed new multimedia applications in the field of entertainment, communication and... Sample PDF
Mobile Multimedia over Wireless Network
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