Streaming Media Seminar by Bieke
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  • Enkele voorbeeldjes uit het buitenland.De universiteit van BerkeleyEen webcast systeem opgezet waarbij vakken en evenementen worden opgenomen. Berkeley kwam midden vorig jaar in het nieuws: cursussen ter beschikking stelt op YouTube en via iTunesU
  • Heel wat andere universiteiten zijn gevolgd: Stanford UniversityVaak zijn dit opnames die opgezet zijn als videoproducties, met professionele ploeg en montage…

Transcript

  • 1. Streaming Media SeminarAVLM-VLIR
    Bieke
    Schreurs
    17-6-2009
  • 2. How to watch online video materials?
    • Download: The file is saved in its entirety on the hard disk of your PC before you can watch it.
    • 3. Progressive download: the data are saved on the hard disk of the PC (like download) but you can watch the fragments that have already been downloaded before the entire file has been downloaded.
    • 4. Streaming
    17-6-2009
    Streaming seminar
  • 5. What is streaming?
    The requested media file is located at a streaming server from which it is sent to a buffer on your PC. As soon as there are enough bytes loaded in the buffer, the video starts to play. Nothing is permanently saved on your PC. The entire file stays at the streaming server
    17-6-2009
    Streaming seminar
  • 6. Streaming media: steps
    The user -> Internet
    User requests media file
    Streaming server prepares for transmission
    Streaming server sends the first fragments of the media file
    Streaming client on your PC saves the first incoming fragments on the buffer memory of your PC
    De buffer is loaded until enough fragments have reached the streaming client
    Streaming client starts to play while the server continues the send new fragments of the file to the buffer
    17-6-2009
    Streaming seminar
  • 7. Advantages
    • For the user:
    No long waiting times  download
    Less space on harddisk  download, progressive download
    Random access, can go forward and backwards
    Access independent of location through internet connection
    • For the provider:
    No adaptatio/editing of media possible: video located external to viewer  (progressive) download (IPR issues)
    Tracking: who, what, when, references
    • For educators and learners:
    Integration in webpage and synchronisation with other supporting materials: links, documentation, other mediafiles, pictures, chat, forum, all in the same environment
    17-6-2009
    Streaming seminar
  • 8. Integration - Synchronisation
    Nelson (1987): “ The trouble with interactive media is that they all tend to be closed objects that can’t be combined or viewed toghether (whereas books can quote eachother and lie open on the same desk)”
    17-6-2009
    Streaming seminar
  • 9. Integration: D-Lecture
    http://www.d-lecture.de/Seiten/Buttons-vertikal/d-Lecture/videos/bspkirchner/index.htm
    17-6-2009
    Streaming seminar
  • 10. Disadvantages streaming?
    • Permanent internet connection necessary while viewing
    • 11. Quality not guaranteed (potential loss of frames)
    • 12. Broadband necessary
    17-6-2009
    Streaming seminar
  • 13. Top ten inspired by videoaktiv project, and Clive Young
  • 14. Videocolleges
    10
    https://www.impulscentrum.be/imho/index.asp?date=25_05_2009&inschrijving=1
  • 15. 10
    Videocolleges
    http://webcast.berkeley.edu/
  • 16. 10
    Videocolleges
    http://itunes.stanford.edu/
  • 17. Archive of Videos
    9
    http://www.schooltv.nl/beeldbank/
  • 18. Archives and portals…
    Video.google.com
    YouTube
    http://one.revver.com
    Or purely educational:
    Joint Inserts Banks for Schools (JIBS)
    BUFVC (free)
    Specialist archives: websurg
    17-6-2009
    Streaming seminar
  • 19. 17-6-2009
    Streaming seminar
    www.bufvc.ac.uk
  • 20. Screencastscamptasia, captivate, screenflow, jing
    8
    http://www.jingproject.com/
  • 21. ‘How-to’ video’s
    7
    http://www.bbctraining.com/onlineCourse.asp?tID=5914&cat=2781http://www.channel4.com/fourdocs/guides
  • 22. Instructional video
    BBC  2005. “Good Shooting Guide” http://www.bbctraining.com/onlineCourse.asp?tID=5914&cat=2781
    Before you shoot
    Film the perfect picture
    Record the sound you want
    Prepare for the edit
    Practical exercise
    • Videodemo’s, textual explanation, interactice exercises, schematic drawings
    17-6-2009
    Streaming seminar
  • 23. Tutorials: e.g. Sign Language
    http://gebaren.ugent.be/
  • 24. http://www.websurg.com/
  • 25. Interview of experts
    6
    http://www.vimeo.com/2771953
  • 26. Video blogs 'think aloud'
    5
    www.blogginheads.tv
  • 27. Video blogs 'think aloud'
    5
    http://www.abdn.ac.uk/alsu/VideoGallery/index_DSL.shtml
  • 28. HANDHYGIENE
    http://www.avnet.kuleuven.be/staalkaart/2007/handhygiene.html
    SKILLSLAB
    Practical examples
    4
    http://www.avnet.kuleuven.be/staalkaart/2006/skillslab.html
  • 29. 'real events' in situ
    3
    http://www.avnet.kuleuven.be/staalkaart/2006/kadoc.html
  • 30. Feedback
    2
    http://www.avnet.kuleuven.be/staalkaart/2007/icho%20hyperventilatie.html
  • 31.
  • 32. Do ityourself
    1
  • 33. Students produce their own materials
    • Thanks to an easy production process in comparison to traditional video, webcam
    • 34. Student plays active role as “creator”
    • 35. Learning process is central rather than the final product
    • 36. Especially suitable for group assignments
    • 37. Example: student school radio
    • 38. Publication at video.google.com / YouTube
    17-6-2009
    Streaming seminar
  • 39. More examples and guidelines?
    • Click and Go Video http://www.clickandgovideo.ac.uk
    • 40. eStreamhttp://estream.schule.at
    • 41. Webstroom http://www.edusite.nl/webstroom
    • 42. VideoAktivhttp://www.videoaktiv.org
    Online workshops, accessibility, presentations, IPR…
    • BBC good shooting guide!
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    Streaming seminar
  • 43. Videolabhttp://upload.avnet.kuleuven.be
  • 44.
  • 45. Dank u, Thanks, Merci!
    Contact:
    Bieke.schreurs@europace.be
    17-6-2009
    Streaming seminar