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Research and Design of Collaboration Environment for Online Editing Based on Cluster Computing

Author: SunSiHui
Tutor: SunJun
School: Shanghai Jiaotong University
Course: Signal and Information Processing
Keywords: Online production Cluster transcoding Collaborative production
CLC: TN948.4
Type: Master's thesis
Year: 2010
Downloads: 79
Quote: 1
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Abstract


Online to making collaborative environment to meet the majority of Internet users online multimedia interactive platform for a new generation of high-trusted network on demand based on the strong interaction of audio and video applications, rich multimedia services, it is a WAN-based and browser. This paper described the production cluster computing based online collaborative environment is a distributed broadband business making collaborative environment in development \This article describes the design of production systems platform environment collaborative online network multimedia technology-based programs, multiplayer online collaborative production editing. The system is based on the nonlinear editing tools the FLEX technology framework for the design and development on the browser client, traditional NLE program production collaborative management of technology in the background at the same time, the use of file integration, online multiplayer co-production model. The system uses distributed cluster computing technology in the back-end server provides a number of business functions for audio and video transcoding program effects synthesis and animation rendering. The system also provides a massive multimedia material distributed storage and protection of data storage systems business. In this paper, the analysis of the system requirements derived several principles of system design, and on this basis the overall system architecture programs and subsystems division of way, as the way to serve the end customers Duanxiang system business functions. Browse to solve the online editing of material, cluster transcoding technology background material automatically transcode H.264 low bit-rate version of the method and process. The article also through the portal, clients and other key subsystem design, working principle and design details of these systems. Then, through the analysis of the business processes of the system, the system works. Article also through in-depth analysis of the cluster transcoding system, indicating that the two new clusters transcoding system design and implementation details, in the the Condor cluster transcoding system proposed use of the material segmentation techniques to improve the efficiency of the transcoding parallel virtual partition and parallel data access technology in the cluster of shared storage-based transcoding system, reduce network traffic, improve its operating efficiency. Both systems are tested by experiment data analysis of system performance impact factors, and found that the efficiency of the cluster transcoding system depends primarily on the size and number of material split, also depends on the number of system deployment compute nodes. Wen also discussed in detail in the technical details of the cluster transcoding system module and FLV clip package. Finally, the article summarizes the shows online collaborative production system design and analysis of its future application scenarios, and the scalability of the system.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > TV > TV and television equipment > Television production equipment
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