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Video StreamingVideo Streaming
Susan WeberSusan [email protected]
AEMAC at Langara CollegeAEMAC at Langara College
Video has the power to Video has the power to transform any lesson into a transform any lesson into a
memorable learning memorable learning experience.experience.
Streaming MediaStreaming Mediaakaaka
Streaming VideoStreaming VideoWhy now?Why now?
What are the options?What are the options?
Building up a DVD collectionBuilding up a DVD collectionDVD is transitoryDVD is transitoryDVD is fraught with technical DVD is fraught with technical
problemsproblemsThen transfer to …Then transfer to …
· In 2006, 91% of Canadians aged 18 to 34 accessed the Internet,compared to only 69% of Canadians aged 55 or older.
Decima study, Access to News Sources, Decima study, Access to News Sources, May 2008*May 2008*
93% of Canadian households have broadband 93% of Canadian households have broadband access (95% in B.C.)access (95% in B.C.)
74% of B.C. residents subscribe74% of B.C. residents subscribe
In 2007, over 50% downloaded videos from the In 2007, over 50% downloaded videos from the InternetInternet
*rev June 2008 *rev June 2008 http://www.crtc.gc.ca/Eng/media/rp080515.pdfhttp://www.crtc.gc.ca/Eng/media/rp080515.pdf
Types of StreamingTypes of Streaming
1.1. True streamingTrue streaming((what AEMAC doeswhat AEMAC does))
2.2. Live streamingLive streaming
3.3. Progressive Progressive downloaddownload
4.4. DownloadDownload
1.1. File is stored. View File is stored. View on-demandon-demand
2.2. Video is viewed then Video is viewed then it is gone it is gone (sports)(sports)
3.3. YouTubeYouTube
4.4. File is sent to you to File is sent to you to keepkeep
Advantages of True StreamingAdvantages of True Streaming
Instantly viewableInstantly viewable
Can advance to any point any timeCan advance to any point any time
Multiple users have no effectMultiple users have no effect
National GeographicNational Geographic
Media on DemandMedia on Demand
1.1. Buy a proprietary closed content systemBuy a proprietary closed content system
Issue: Issue: Continue to pay or lose itContinue to pay or lose it
Mostly K-12 contentMostly K-12 contentMostly U.S.Mostly U.S.
Problem: Problem: lack of ability to upload your content lack of ability to upload your content Can’t customize search screens and Can’t customize search screens and modify search parametersmodify search parameters
AdvantageAdvantage: Can usually make clips, mashups: Can usually make clips, mashups
Media on Demand SystemsMedia on Demand Systems
Films Media GroupFilms Media Group Intelecom Intelecom Learn 360 Learn 360 MonDMonD PowerMediaPlus PowerMediaPlus Safari montage Safari montage UnitedstreamingUnitedstreaming
Media on Demand SystemMedia on Demand System
PowerMediaPlusPowerMediaPlus
Delivering visual contentDelivering visual content
2.2. Choose content independentlyChoose content independently
Issue: Issue: Server capacity, IT supportServer capacity, IT support
License managementLicense management
Advantage: Advantage: CustomizableCustomizable
InexpensiveInexpensive
Bandwidth, Bandwidth, Bandwidth!
Staff: IT Support, Student SupportBudgets/Funding
The right tools: ERM or spreadsheet
Cross platform issuesWindows Media on a Mac?Quicktime on Windows?Happy medium: Flash
IssuesIssues
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
BandwidthBandwidthhttp://www.crtc.gc.ca/Eng/media/rp080515.pdfhttp://www.crtc.gc.ca/Eng/media/rp080515.pdf
Issue
Bandwidth shaping
ResearchResearch
www.speakeasy.net/speedtest
Results - bandwidth test:Results - bandwidth test:TRU (11:30 a.m.) -TRU (11:30 a.m.) - 33,285 33,285 kbpskbps
TRU (3:40 p.m.) - TRU (3:40 p.m.) - 24,085 24,085 kbpskbps
COTR (7:20 a.m.) - 13,270 COTR (7:20 a.m.) - 13,270 kbpskbps
COTR (4:00 p.m.) - COTR (4:00 p.m.) - 22,890 22,890 kbpskbps
Least costly solutionLeast costly solution
IRIS Education, a division of Seattle IRIS Education, a division of Seattle Community Colleges Television Community Colleges Television (SCCtv)(SCCtv)
- A non-profitA non-profit- Serving over 800 schools, colleges, Serving over 800 schools, colleges,
universities nowuniversities now- inexpensiveinexpensive
Streaming speedsStreaming speeds
Lo-Res: Lo-Res: 200 kbps 200 kbps 320 x 240 pixels320 x 240 pixels
Hi-Res: Hi-Res: 500 kbps 500 kbps 640 x 480 pixels640 x 480 pixels
The B.C. solutionThe B.C. solution
AEMAC licenses provincially with producerAEMAC licenses provincially with producer Content is encoded for FlashContent is encoded for Flash URL Link provided to AEMACURL Link provided to AEMAC AEMAC provides bib. record via Z39.50 AEMAC provides bib. record via Z39.50
with URL imbedded in MARC 856with URL imbedded in MARC 856 Libraries upload MARC record & modify Libraries upload MARC record & modify
with Proxy prependwith Proxy prepend
The B.C. solutionThe B.C. solution
Library catalogue displays item with Library catalogue displays item with linklink
User clicks on link & is directed to User clicks on link & is directed to locallocal proxy server proxy server
After authentication, stream beginsAfter authentication, stream begins Current ver. Of Flash works bestCurrent ver. Of Flash works best
Size of Hi-res videoin computer screen
Size of Lo-Res video
LicensingLicensing
Ask for perpetual licenseAsk for perpetual license Accept 5 years as a compromiseAccept 5 years as a compromise Discuss price with your colleaguesDiscuss price with your colleagues Have ERM to manage licensesHave ERM to manage licenses Have the IT and Systems Dept. on-sideHave the IT and Systems Dept. on-side
Susan WeberSusan Weber
Tel: 604 323-5533Tel: 604 [email protected]://www.langara.bc.ca/aemac/http://www.langara.bc.ca/aemac/