Group Synchronization for Multimedia Systems

Kanellopoulos, Dimitris

doi:10.4018/978-1-5225-7601-3.ch019

Advanced Methodologies and Technologies in Media and Communications

2019

DOI: 10.4018/978-1-5225-7601-3.ch019

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Group Synchronization for Multimedia Systems

Dimitris Kanellopoulos

Abstract: Group or inter-destination media synchronization (IDMS) addresses the presentation of a stream at all the receivers of a group, simultaneously. To ensure synchronized delivery of multimedia information, intelligent synchronization protocols/techniques are required. This chapter illustrates various issues on intra- and inter-media synchronization and presents the basic schemes for inter-destination media synchronization (IDMS). It presents in short IDMS standardization efforts and novel solutions for new multim… Show more

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Key Technologies for Networked Virtual Environments

Salinas

Boronat

Sapena

et al. 2023

Multimed Tools Appl

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Thanks to the improvements experienced in technology during the last few years, most especially in virtual reality systems, the number and potential of networked virtual environments or NVEs and their users have been increasing. NVEs aim to give distributed users a feeling of immersion in a virtual world and the possibility of interacting with other users or with virtual objects inside it, just like when they interact in the real world. Being able to provide that feeling and natural interactions when the users are geographically separated is one of the goals of these systems. Nevertheless, this goal is especially sensitive to different issues, such as different connections with heterogeneous throughput or particular network latencies, which can lead to consistency and synchronization problems and, thus, to a worsening of the users’ quality of experience or QoE. With the purpose of solving these issues, researchers have proposed and evaluated numerous technical solutions, in fields like network architectures, data distribution and filtering, resource balancing, computing models, predictive modeling and synchronization in NVEs. This paper gathers and classifies them, summarizing their advantages and disadvantages, using a new way of classification. With the current increase in the number of NVEs and the multiple solutions proposed so far, this paper aims to become a useful tool and a starting point not only for future researchers in this field but also for those who are new to NVEs development, in which guaranteeing a good users’ QoE is essential.

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Key Technologies for Networked Virtual Environments

Salinas

Boronat

Sapena

et al. 2023

Multimed Tools Appl

View full text Add to dashboard Cite

show abstract

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Group Synchronization for Multimedia Systems

Cited by 1 publication

References 23 publications

Key Technologies for Networked Virtual Environments

Key Technologies for Networked Virtual Environments

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