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Video Streaming Susan Weber AEMAC at Langara College AEMAC at Langara College.

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Presentation on theme: "Video Streaming Susan Weber AEMAC at Langara College AEMAC at Langara College."— Presentation transcript:

1 Video Streaming Susan Weber sweber@langara.bc.ca AEMAC at Langara College AEMAC at Langara College

2 Video has the power to transform any lesson into a memorable learning experience.

3 Streaming Media aka Streaming Video Why now?

4 What are the options? Building up a DVD collection  DVD is transitory  DVD is fraught with technical problems  Then transfer to …

5 · In 2006, 91% of Canadians aged 18 to 34 accessed the Internet, compared to only 69% of Canadians aged 55 or older.

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7 Decima study, Access to News Sources, May 2008*  93% of Canadian households have broadband access (95% in B.C.)  74% of B.C. residents subscribe  In 2007, over 50% downloaded videos from the Internet *rev June 2008 http://www.crtc.gc.ca/Eng/media/rp080515.pdf

8 Types of Streaming 1. True streaming ( what AEMAC does ) 2. Live streaming 3. Progressive download 4. Download 1. File is stored. View on-demand 1. File is stored. View on-demand 2. Video is viewed then it is gone (sports) 3. YouTube 4. File is sent to you to keep

9 Advantages of True Streaming  Instantly viewable  Can advance to any point any time  Multiple users have no effect

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15 National Geographic

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17 Media on Demand 1. Buy a proprietary closed content system Issue: Continue to pay or lose it Mostly K-12 content Mostly U.S. Mostly K-12 content Mostly U.S. Problem: lack of ability to upload your content Can’t customize search screens and modify search parameters Advantage : Can usually make clips, mashups

18 Media on Demand Systems  Films Media Group  Intelecom  Learn 360  MonD  PowerMediaPlus  Safari montage  Unitedstreaming

19 Media on Demand System  PowerMediaPlus

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21 Delivering visual content 2. Choose content independently Issue: Server capacity, IT support License management License management Advantage: Customizable Inexpensive

22 Bandwidth, Bandwidth, Bandwidth! Staff: IT Support, Student Support Budgets/Funding The right tools: ERM or spreadsheet Cross platform issues Windows Media on a Mac? Quicktime on Windows? Happy medium: Flash  Issues

23 Adobe Flash   80% of online videos viewed worldwide are delivered using Adobe Flash.*   Flash Player is installed on 98% of internet-connected desktops.* *Playback, V23:15, May 11,2009

24 Bandwidth http://www.crtc.gc.ca/Eng/media/rp080515.pdf

25 Issue   Bandwidth shaping

26 Research  www.speakeasy.net/ speedtest www.speakeasy.net/ speedtest www.speakeasy.net/ speedtest Results - bandwidth test: TRU (11:30 a.m.) -33,285 kbps TRU (3:40 p.m.) - 24,085 kbps COTR (7:20 a.m.) - 13,270 kbps COTR (4:00 p.m.) - 22,890 kbps

27 Least costly solution  IRIS Education, a division of Seattle Community Colleges Television (SCCtv) - A non-profit - Serving over 800 schools, colleges, universities now - inexpensive

28 Streaming speeds  Lo-Res: 200 kbps 320 x 240 pixels  Hi-Res: 500 kbps 640 x 480 pixels

29 The B.C. solution  AEMAC licenses provincially with producer  Content is encoded for Flash  URL Link provided to AEMAC  AEMAC provides bib. record via Z39.50 with URL imbedded in MARC 856  Libraries upload MARC record & modify with Proxy prepend

30 The B.C. solution  Library catalogue displays item with link  User clicks on link & is directed to local proxy server  After authentication, stream begins  Current ver. Of Flash works best

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32 Size of Hi-res video in computer screen

33 Size of Lo-Res video

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35 Licensing  Ask for perpetual license  Accept 5 years as a compromise  Discuss price with your colleagues  Have ERM to manage licenses  Have the IT and Systems Dept. on-side

36 Susan Weber Tel: 604 323-5533 Sweber@langara.bc.ca http://www.langara.bc.ca/aemac/


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