Video Streaming

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Video Streaming

• Susan Weber
• sweber_at_langara.bc.ca
• 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 MediaakaStreaming 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/rp0
  80515.pdf

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Types of Streaming

1. True streaming(what AEMAC does)
2. Live streaming
3. Progressive download
4. Download

• File is stored. View on-demand
• Video is viewed then it is gone (sports)
• YouTube
• 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

• Buy a proprietary closed content system
• Issue Continue to pay or lose it
• Mostly K-12 content Mostly U.S.
• Problem lack of ability to upload your content
  Cant 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

• Choose content independently
• Issue Server capacity, IT support
• License management
• Advantage Customizable
• Inexpensive

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• Issues

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
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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, V2315, May 11,2009

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Bandwidthhttp//www.crtc.gc.ca/Eng/media/rp080515
.pdf
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Issue

• Bandwidth shaping

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Research

• www.speakeasy.net/speedtest
• Results - bandwidth test
• TRU (1130 a.m.) - 33,285 kbps TRU (340
  p.m.) - 24,085 kbps
• COTR (720 a.m.) - 13,270 kbps
• COTR (400 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 videoin 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 [phone]
• Sweber_at_langara.bc.ca
• http//www.langara.bc.ca/aemac/