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A time-efficient architecture for multimedia applications

P. Owezarski, M. Diaz, C. Chassot
1998 IEEE Journal on Selected Areas in Communications  
The layers and mechanisms allowing the system to fulfill the selected synchronization, i.e., the logical relationships and timed interval semantics, are presented.  ...  This paper presents an architecture that enforces time requirements and gives minimal end-to-end delays for multimedia applications.  ...  Fry for having greatly contributed to improve this text.  ... 
doi:10.1109/49.669046 fatcat:5oubecnf2ffybbpxaaxoq7xaq4

Multimedia synchronization and UNIX [chapter]

Dick C. A. Bulterman, Robert Liere
1992 Lecture Notes in Computer Science  
Thus, the designer of distributed multimedia systems must face the problem of real-time scheduling in the operating system from device driver handling up to presentation layer processing.  ...  A distributed multimedia system must deal with the asynchrony introduced by the host computer as well as the asynchrony of the network.  ...  Thomas Little from Boston University, in the second talk on joint work with Arif Ghafoor entitled "Scheduling of Bandwidth-Constrained Multimedia Traffic," presented a scheduling mechanism for smoothing  ... 
doi:10.1007/3-540-55639-7_10 fatcat:raog7tmnjjfuhl2sgt7asc4qc4

Multiware Database: A Distributed Object Database System for Multimedia Support [chapter]

C. M. Tobar, I. L. M. Ricarte
1995 Open Distributed Processing  
This paper describes the Multiware Database, a database capable to store and manage complex multimedia documents using the features of both object database management systems and open distributed systems  ...  This multimedia database is a component of the Multi ware project 1 , a platform supporting distributed multimedia cooperative applications.  ...  MULTIWARE DATABASE TECHNOLOGICAL STRUCTURE The Multiware Database proposal, described in Section 2, presents an alternative architecture for multimedia database systems which does address distribution  ... 
doi:10.1007/978-0-387-34882-7_34 fatcat:xlvzarbgsfabhawxk3hdde7sbm

Multi-level Model for Synchronizing Temporal Streams on HLA-Based Distributed Multimedia Applications Using HTSPN

Akram Hakiri, Michel Diaz, Slim Abdellatif, Pascal Berthou, Thierry Gayraud
2010 2010 Second International Conferences on Advances in Multimedia  
This paper suggests the use of a powerful synchronization scheme based on HTSPN between different flows issued from distributed multimedia systems to fulfill these requirements.  ...  The major issue in distributed multimedia simulation is how to specify and implement synchronization scheme satisfying the QoS applications requirements.  ...  The authors would like to thank Roberto Willrich, professor in Federal University of Santa Catharina, Brazil, for his discussion during the development of the formal models in multimedia systems.  ... 
doi:10.1109/mmedia.2010.41 fatcat:kft65tvg4jfuxbctdh6k57ok3e

Network considerations for distributed multimedia object composition and communication

T.D.C. Little, A. Ghafoor
1990 IEEE Network  
Problems of synchronization, real-time communication, and format conversion arise in this form of system to compose distributed data into complex multimedia objects for final interaction and presentation  ...  Accordingly, an architecture for distributed multimedia object management and composition is presented which provides a framework for supporting future distributed multimedia information systems (DMIS)  ...  Acknowledgment We wish to thank the anonymous reviewers for their helpful comments in the development of this paper, and acknowledge the support by the New York State Center for Advanced Technology in  ... 
doi:10.1109/65.60734 fatcat:vehqge4qzvedvekqh6oy7kmasm

An agent based synchronization scheme for multimedia applications

S.S. Manvi, P. Venkataram
2006 Journal of Systems and Software  
Synchronization of multimedia streams is one of the important issue in multimedia communications.  ...  The synchronization agency triggers one of the three synchronization mechanisms, point synchronization or real-time continuous or adaptive synchronization in order to adapt to the run-time and life-time  ...  Generally, playout system handles multimedia streams S 1 to S i which needs to be synchronized for playout at client c.  ... 
doi:10.1016/j.jss.2005.08.010 fatcat:nc5o2a2rmfdyfm4ogmk5qp6noq

A temporal reference framework for multimedia synchronization

M.J. Perez-Luque, T.D.C. Little
1996 IEEE Journal on Selected Areas in Communications  
In this paper we develop a uniform, theoretical foundation for discussing multimedia synchronization and temporal specification.  ...  The synchronization problem for audio/visual reproduction has consumed engineers since the advent of recorded audio and images and the first multimedia productions.  ...  Once a representation is achieved, mechanisms are required for final rendering in the time domain. For multimedia data presentation, this is equivalent to multimedia synchronization.  ... 
doi:10.1109/49.481692 fatcat:q5mwr6bkubhedguadcbq2wyxuy

Quality-based evaluation of multimedia synchronization protocols for distributed multimedia information systems

S. Baqai, M. Farrukh Khan, Miae Woo, S. Shinkai, A.A. Khokhar, A. Ghafoor
1996 IEEE Journal on Selected Areas in Communications  
In this paper, we present an infrastructure for supporting multimedia applications.  ...  We present a suite of synchronization protocols to support quality of presentation.  ...  Section I11 describes the quality and synchronization requirements in distributed multimedia systems.  ... 
doi:10.1109/49.536487 fatcat:6fyiiuj2gjaqlhwrvrrnvvcp6a

A framework for synchronous delivery of time-dependent multimedia data

T. D. C. Little
1993 Multimedia Systems  
To support a general-purpose multimedia information system, these timing relationships must be managed to provide utility to both the data presentation system and the multimedia author.  ...  In this paper we describe the components of our framework for supporting time-dependent multimedia data encompassing these areas, and how they are assembled into a unified system.  ...  for multimedia presentation [4] .  ... 
doi:10.1007/bf01213487 fatcat:ijlbuha5b5eivbx4gculdh24ge

A prioritized Petri net model and its application in distributed multimedia systems

Sheng-Uei Guan, Hsiao-Yeh Yu, Jen-Shun Yang
1998 IEEE transactions on computers  
We apply the P-net model to distributed multimedia synchronization, using our version of Distributed Object Composition Petri Net (DOCPN) model.  ...  Yet these two models are not enough for synchronization of computers in a distributed environment. This paper proposes a new Petri Net model-Prioritized Petri Net (Pnet).  ...  We also thank the reviewers for many valuable comments.  ... 
doi:10.1109/12.675716 fatcat:lgkxppiv2zatzbaeu7fkiwy2gy

Synchronization of temporal constructs in distributed multimedia systems with controlled accuracy

Son, Agarwal
1994 Proceedings of IEEE International Conference on Multimedia Computing and Systems MMCS-94  
Synchronization of the related media data is one of the key characteristics of a multimedia system.  ...  In this paper we present a scheme for synchronization of multimedia data acmss a network where the accuracy of detecting asynchronization and predicting the future asynchmny is variable and can be tailored  ...  Hoepner [6] explored the synchronization of multimedia objects for presentation based on the Petri net model.  ... 
doi:10.1109/mmcs.1994.292504 dblp:conf/icmcs/SonA94 fatcat:bpwz63l2hza4pjerqh5q2dfsvm

Services, Frameworks, and Paradigms for Distributed Multimedia Applications

M. Muhlhauser, J. Gecsei
1996 IEEE Multimedia  
While such services pave the way towards sophisticated multimedia support even in distributed systems, using them still makes the task of developers quite tedious.  ...  Known development environments for distributed applications are obvious candidates for such encompassing frameworks.  ...  Synchronization: synchronization specifications determine details of synchronized multimedia presentations. They must be transformed into playout schedules for all services involved.  ... 
doi:10.1109/mmul.1996.556539 fatcat:rprbbw4rbrdnhpo35llmur2swy

Tools for specifying and executing synchronized multimedia presentations [chapter]

Gerold Blakowski, Jens Hübel, Ulrike Langrehr
1992 Lecture Notes in Computer Science  
Multimedia applications require the handling of synchronization between media streams. We present tools for creating, editing and presenting synchronized multimedia objects.  ...  The Synchronization Editor and the Synchronizer are part of the MODE project, that is used for the handhng of distributed multimedia objects in NESTOR, an authoring-learning environment in development  ...  The synchronizer uses the presentation form and quality, that is selected by the Optimizer regarding the existing resources and user demands.  ... 
doi:10.1007/3-540-55639-7_24 fatcat:2bmhzoeswvebpmbuefwpzn47zi

Synchronization of distributed multimedia data in an application-specific manner

N. Agarwal, S. Son
1994 Proceedings of the second ACM international conference on Multimedia - MULTIMEDIA '94  
The model is extended for both stored and live multimedia data. The synchronization mechanism we propose ensures synchronization for all possible temporal relations.  ...  In this paper, we propose a mechanism for synchronization of distributed media data, the accuracy of which can be tailored to the intended application.  ...  Hoepner [Hoep92] explored the synchronization of multimedia objects for presentation based on the petri net model.  ... 
doi:10.1145/192593.192642 dblp:conf/mm/Son94 fatcat:diifz3n2bncfxlxli7atidt3si

Presentation scheduling of multimedia objects and its impact on network and operating system support [chapter]

Petra Hoepner
1992 Lecture Notes in Computer Science  
The specification of the presentation behavlour in a system-and application-independent way provides for a compatible presentation of the multimedia object at different locations of a distributed, heterogeneous  ...  The presentation of a multimedia object is concerned with the conveyance of information for a human user.  ...  The presentation of multimedia objects in open, distributed systems requires the support of several services, such as communication services, retrieval services, transformation services.  ... 
doi:10.1007/3-540-55639-7_12 fatcat:yufctw4myzdqhde27idqxb632i
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