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…
  • Streaming Media Seminar by Bieke

    1. 1. Streaming Media SeminarAVLM-VLIR<br />Bieke<br />Schreurs<br />17-6-2009<br />
    2. 2. How to watch online video materials?<br /><ul><li>Download: The file is saved in its entirety on the hard disk of your PC before you can watch it.
    3. 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. 4. Streaming</li></ul>17-6-2009<br />Streaming seminar<br />
    5. 5. What is streaming?<br />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 <br />17-6-2009<br />Streaming seminar<br />
    6. 6. Streaming media: steps<br />The user -&gt; Internet<br />User requests media file<br />Streaming server prepares for transmission<br />Streaming server sends the first fragments of the media file<br />Streaming client on your PC saves the first incoming fragments on the buffer memory of your PC<br />De buffer is loaded until enough fragments have reached the streaming client<br />Streaming client starts to play while the server continues the send new fragments of the file to the buffer<br />17-6-2009<br />Streaming seminar<br />
    7. 7. Advantages<br /><ul><li>For the user:</li></ul>No long waiting times  download<br />Less space on harddisk  download, progressive download <br />Random access, can go forward and backwards<br />Access independent of location through internet connection <br /><ul><li>For the provider:</li></ul>No adaptatio/editing of media possible: video located external to viewer  (progressive) download (IPR issues)<br />Tracking: who, what, when, references<br /><ul><li>For educators and learners:</li></ul>Integration in webpage and synchronisation with other supporting materials: links, documentation, other mediafiles, pictures, chat, forum, all in the same environment<br />17-6-2009<br />Streaming seminar<br />
    8. 8. Integration - Synchronisation<br />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)”<br />17-6-2009<br />Streaming seminar<br />
    9. 9. Integration: D-Lecture<br /><br />17-6-2009<br />Streaming seminar<br />
    10. 10. Disadvantages streaming?<br /><ul><li>Permanent internet connection necessary while viewing
    11. 11. Quality not guaranteed (potential loss of frames)
    12. 12. Broadband necessary</li></ul>17-6-2009<br />Streaming seminar<br />
    13. 13. Top ten inspired by videoaktiv project, and Clive Young<br />
    14. 14. Videocolleges<br />10<br /><br />
    15. 15. 10<br />Videocolleges<br /><br />
    16. 16. 10<br />Videocolleges<br /><br />
    17. 17. Archive of Videos<br />9<br /><br />
    18. 18. Archives and portals…<br /> <br />YouTube<br /><br />Or purely educational:<br />Joint Inserts Banks for Schools (JIBS)<br />BUFVC (free)<br />Specialist archives: websurg<br />17-6-2009<br />Streaming seminar<br />
    19. 19. 17-6-2009<br />Streaming seminar<br /><br />
    20. 20. Screencastscamptasia, captivate, screenflow, jing<br />8<br /><br />
    21. 21. ‘How-to’ video’s<br />7<br /><br />
    22. 22. Instructional video<br />BBC  2005. “Good Shooting Guide”<br />Before you shoot<br />Film the perfect picture<br />Record the sound you want<br />Prepare for the edit<br />Practical exercise<br /><ul><li>Videodemo’s, textual explanation, interactice exercises, schematic drawings</li></ul>17-6-2009<br />Streaming seminar<br />
    23. 23. Tutorials: e.g. Sign Language<br /><br />
    24. 24.<br />
    25. 25. Interview of experts<br />6<br /><br />
    26. 26. Video blogs &apos;think aloud&apos; <br />5<br /><br />
    27. 27. Video blogs &apos;think aloud&apos; <br />5<br /><br />
    28. 28. HANDHYGIENE<br /><br />SKILLSLAB<br />Practical examples<br />4<br /><br />
    29. 29. &apos;real events&apos; in situ<br />3<br /><br />
    30. 30. Feedback<br />2<br /><br />
    31. 31.
    32. 32. Do ityourself<br />1<br />
    33. 33. Students produce their own materials<br /><ul><li>Thanks to an easy production process in comparison to traditional video, webcam
    34. 34. Student plays active role as “creator”
    35. 35. Learning process is central rather than the final product
    36. 36. Especially suitable for group assignments
    37. 37. Example: student school radio
    38. 38. Publication at / YouTube</li></ul>17-6-2009<br />Streaming seminar<br />
    39. 39. More examples and guidelines?<br /><ul><li>Click and Go Video
    40. 40. eStream
    41. 41. Webstroom
    42. 42. VideoAktiv</li></ul>Online workshops, accessibility, presentations, IPR…<br /><ul><li>BBC good shooting guide!</li></ul>17-6-2009<br />Streaming seminar<br />
    43. 43. Videolab<br />
    44. 44.
    45. 45. Dank u, Thanks, Merci!<br />Contact: <br /><br />17-6-2009<br />Streaming seminar<br />