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A three-phase user study evaluating the integration of a generalized playback bar for a branched video player
Linköping University, Department of Computer and Information Science.
Linköping University, Department of Computer and Information Science.
2019 (English)Independent thesis Basic level (degree of Bachelor), 10,5 credits / 16 HE creditsStudent thesisAlternative title
En användarstudie i tre delar som evaluerar integreringen av en generaliserad uppspelningsvisare för förgrenade videor (Swedish)
Abstract [en]

When watching interactive branched video, the viewer is given the opportunity to tailor the storyline of the video playback. This type of video puts the users in control of their viewing experiences and provides content creators with great flexibility how to personalize the viewing experience for individual viewers. When it comes to regular linear videos, the concept of having a playback bar visually presenting the playback is a well established implementation used for most (if not all) video players, but for interactive branched videos, that is not the case. Instead, most branched video implementations are typically custom-made on a per-video basis (e.g., see custom-made Netflix and BBC movies) and do not use a playback bar.

With the goal to fill this void, a branched video player with a generalized playback bar that visualizes the tree-like video structure was developed in 2018 by students of the Information Technology program at Linköping University and will be made public with a publication in the near future. Within the preparatory work prior to making this branched video player public, this project included a three-phase user study, where we evaluated the playback bar and its implemented features and compared the video player with alternative designs.

With this thesis, we highlight the value of a branched video playback bar and provide interesting insights into how it, and other design customization features, may best be integrated into a branched video player. Furthermore, we present an improved version of the video player in which the new implementations are based on, and motivated by, the results from the user study. Finally, we describe how further investigations may be done to evaluate the improved version of the video player.

Place, publisher, year, edition, pages
2019. , p. 45
Keywords [en]
Branched video, user study, playback bar, nonlinear video streaming, multipath video streaming
National Category
Computer Engineering
Identifiers
URN: urn:nbn:se:liu:diva-163335ISRN: LIU-IDA/LITH-EX-G--19/059--SEOAI: oai:DiVA.org:liu-163335DiVA, id: diva2:1390587
Subject / course
Information Technology
Supervisors
Examiners
Available from: 2020-02-03 Created: 2020-02-01 Last updated: 2020-02-03Bibliographically approved

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CiteExportLink to record
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Citation style
  • apa
  • ieee
  • modern-language-association-8th-edition
  • vancouver
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More styles
Language
  • de-DE
  • en-GB
  • en-US
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  • nn-NO
  • nn-NB
  • sv-SE
  • Other locale
More languages
Output format
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  • asciidoc
  • rtf