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Effect of Sender Buffer on Video Quality of Experience
Blekinge Institute of Technology, School of Computing.
Blekinge Institute of Technology, School of Computing.
2010 (English)Independent thesis Advanced level (degree of Master (Two Years))Student thesisAlternative title
Effekt av Sender buffert på Video Quality of Experience (Swedish)
Abstract [en]

In this thesis, the effect of buffer strategy on video quality has been investigated. For this purpose, a software system was developed to implement buffer strategy at sender and receiver sides. Four experiments were performed under this system and five scenarios were designed under each experiment. A subjective test of MOS was conducted for all the scenarios to collect people’s perception about three different videos. People from different background and of different age group were invited to take part in all the experiments. Three different videos were shown to each participant in order to investigate user perceived quality of video. MATLAB and MS Excel were used for data collection and plotting graphs. We conclude that people have convergence of opinions when communication break time increases than the size of buffers at both ends. Finally, the MOS ratings of this subjective test prove that by the use of same size buffers at both ends improves the user’s perceived quality of video at acceptable level. Because of empirical study, the main focus was on implementation strategy of buffers at both ends. The implementation strategy was the design of a number of scenarios in which the statistics of the behavior of sender and receiver buffers have been collected.

Place, publisher, year, edition, pages
2010. , 68 p.
Keyword [en]
Video Streaming, QoE, MOS, Sender buffer.
National Category
Computer Science Telecommunications
URN: urn:nbn:se:bth-2344Local ID: diva2:829614
0092 662 424477Available from: 2015-04-22 Created: 2010-10-13 Last updated: 2015-06-30Bibliographically approved

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