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Video Streaming Susan Weber sweber@langara.bc.ca AEMAC at Langara College AEMAC at Langara College
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Video has the power to transform any lesson into a memorable learning experience.
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Streaming Media aka Streaming Video Why now?
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What are the options? Building up a DVD collection DVD is transitory DVD is fraught with technical problems Then transfer to …
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· 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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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
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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
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Advantages of True Streaming Instantly viewable Can advance to any point any time Multiple users have no effect
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National Geographic
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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
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Media on Demand Systems Films Media Group Intelecom Learn 360 MonD PowerMediaPlus Safari montage Unitedstreaming
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Media on Demand System PowerMediaPlus
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Delivering visual content 2. Choose content independently Issue: Server capacity, IT support License management License management Advantage: Customizable Inexpensive
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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
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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
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Bandwidth http://www.crtc.gc.ca/Eng/media/rp080515.pdf
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Issue Bandwidth shaping
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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
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Least costly solution IRIS Education, a division of Seattle Community Colleges Television (SCCtv) - A non-profit - Serving over 800 schools, colleges, universities now - inexpensive
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Streaming speeds Lo-Res: 200 kbps 320 x 240 pixels Hi-Res: 500 kbps 640 x 480 pixels
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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
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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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Size of Hi-res video in computer screen
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Size of Lo-Res video
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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
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Susan Weber Tel: 604 323-5533 Sweber@langara.bc.ca http://www.langara.bc.ca/aemac/
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