Video StreamingVideo Streaming

Susan WeberSusan Webersweber@langara.bc.ca

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: 604 323-5533Sweber@langara.bc.cahttp://www.langara.bc.ca/aemac/http://www.langara.bc.ca/aemac/