SURA/ViDe 5th Annual Digital Video Workshop

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SURA/ViDe 5th Annual Digital Video Workshop

  1. 1. SURA/ViDe 5th Annual Digital Video Workshop <ul><li>GCATT — Atlanta, Georgia </li></ul><ul><li>March 26, 2003 </li></ul>The ViDe Guide to Streaming Media
  2. 2. Presentation Outline <ul><li>Cookbook Overview </li></ul><ul><li>Creating Digital Assets </li></ul><ul><li>Building an Infrastructure </li></ul><ul><li>Managing Digital Repositories </li></ul><ul><li>Authentication and Authorization </li></ul><ul><li>Accessibility Issues </li></ul><ul><li>Emerging Technologies </li></ul>
  3. 3. Streaming Media Working Group <ul><li>Established in April 2002 </li></ul><ul><li>38 Individual Members </li></ul><ul><li>Representing 18 Universities & Consortia </li></ul><ul><li>Including 7 SURA Schools </li></ul><ul><li>And 2 International Members </li></ul><ul><li>12 Member Editorial Board </li></ul>
  4. 4. Streaming Media Cookbook <ul><li>Mission: </li></ul><ul><li>To help educational institutions plan and promote streaming media services on their campuses </li></ul>
  5. 5. Snapshot of Current Services <ul><li>Statistical Sample of US Universities </li></ul><ul><li>Comprehensive Survey of I2 Schools </li></ul><ul><li>Comparison with International Practice </li></ul>
  6. 6. Scope of the Cookbook <ul><li>Media-on-Demand and Live Streaming </li></ul><ul><li>Audio, Video and Mixed Media </li></ul><ul><li>Proprietary and Standard Formats </li></ul><ul><li>Technical Issues and Policy Issues </li></ul>
  7. 7. Cookbook Format <ul><li>Tutorials </li></ul><ul><li>Best Practices </li></ul><ul><li>Case Studies </li></ul><ul><li>Evaluation Guidelines </li></ul><ul><li>Whitepapers </li></ul><ul><li>Reference Tools </li></ul>
  8. 8. Applications and Scenarios <ul><li>Electronic Reserves </li></ul><ul><li>Distance Education </li></ul><ul><li>Digital Libraries </li></ul><ul><li>Videoconference Archives </li></ul><ul><li>Public Relations and Special Events </li></ul>
  9. 9. It Takes a Village: Identifying Strategic Partners <ul><li>Video Production Units </li></ul><ul><li>IT Infrastructure/Networking Services </li></ul><ul><li>Continuing Education </li></ul><ul><li>Libraries </li></ul><ul><li>Instructional Training </li></ul><ul><li>Legal Affairs </li></ul><ul><li>Public Relations </li></ul><ul><li>Help Desk </li></ul>
  10. 10. Planning for the Future <ul><li>Developing a Viable Business Plan </li></ul><ul><li>Integrating Disparate Roles and Functions </li></ul><ul><li>Securing Institutional Commitment </li></ul><ul><li>Making Ends Meet </li></ul><ul><li>Taming the Wild Vendor </li></ul><ul><li>Anticipating the Unknowable </li></ul>
  11. 11. Creating Content: Pre-Production <ul><li>Validate Project Concepts </li></ul><ul><li>Make a Plan </li></ul><ul><li>Purchase Equipment and Hire Personnel </li></ul>
  12. 12. Creating Content: Production <ul><li>Mid-Production Planning and Coordination </li></ul><ul><li>Lighting </li></ul><ul><li>Audio </li></ul><ul><li>Video </li></ul><ul><li>Locations </li></ul><ul><ul><li>Office vs Classroom vs Studio </li></ul></ul><ul><li>Wardrobe </li></ul><ul><li>Personnel </li></ul>
  13. 13. Creating Content: Post-Production <ul><li>Video/Audio Capture </li></ul><ul><li>External Capture </li></ul><ul><ul><li>Composite </li></ul></ul><ul><ul><li>USB </li></ul></ul><ul><ul><li>Firewire/iLink/IEEE1394 </li></ul></ul><ul><li>Cabling </li></ul><ul><li>Editing </li></ul>
  14. 14. Creating Content: Hardware/Software/Personnel <ul><li>Support/Assistance </li></ul><ul><li>Infrastructure </li></ul><ul><li>Encoding </li></ul><ul><li>CODEC </li></ul><ul><li>Application Default CODECs </li></ul><ul><li>Analysis/Understanding </li></ul>
  15. 15. Creating Content: Hardware/Software/Personnel <ul><li>Files Types </li></ul><ul><ul><li>Real </li></ul></ul><ul><ul><li>Quicktime </li></ul></ul><ul><ul><li>Microsoft Media Formats </li></ul></ul><ul><ul><li>MPEG1 </li></ul></ul><ul><ul><li>MPEG2 </li></ul></ul><ul><ul><li>MPEG4 </li></ul></ul><ul><ul><li>MP3 </li></ul></ul><ul><ul><li>Others </li></ul></ul>
  16. 16. Creating Content: Support Issues <ul><li>VOD (Video on Demand </li></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><li>Software </li></ul></ul><ul><ul><li>Personnel </li></ul></ul><ul><li>Live Webcasts </li></ul><ul><ul><li>Hardware </li></ul></ul><ul><ul><li>Software </li></ul></ul><ul><ul><li>Personnel </li></ul></ul>
  17. 17. Building the Infrastructure Streaming Servers <ul><li>Types of Streaming Servers </li></ul><ul><ul><li>RTSP </li></ul></ul><ul><ul><li>HTTP </li></ul></ul><ul><ul><li>Others </li></ul></ul>
  18. 18. Building the Infrastructure Streaming Servers <ul><li>Vendors </li></ul><ul><ul><li>Real </li></ul></ul><ul><ul><li>Microsoft </li></ul></ul><ul><ul><li>Apple </li></ul></ul><ul><ul><li>IBM </li></ul></ul><ul><ul><li>Cisco </li></ul></ul><ul><ul><li>Macromedia </li></ul></ul><ul><ul><li>Others </li></ul></ul>
  19. 19. Building the Infrastructure Network Infrastructure <ul><li>Bandwidth Requirements </li></ul><ul><li>Issues on the LAN </li></ul><ul><ul><li>Wireless </li></ul></ul><ul><ul><li>Ethernet Configurations </li></ul></ul>
  20. 20. Building the Infrastructure Network Infrastructure <ul><li>Reaching Clients Outside your LAN </li></ul><ul><ul><li>Firewalls </li></ul></ul><ul><ul><li>Modems </li></ul></ul><ul><ul><li>DSL/Cable Modems </li></ul></ul><ul><ul><li>VPNs </li></ul></ul><ul><ul><li>Proxies </li></ul></ul><ul><ul><li>Caching Servers </li></ul></ul><ul><ul><li>Content Distribution Networks (CDN) </li></ul></ul>
  21. 21. Building the Infrastructure Network Infrastructure <ul><li>Multicast Issues </li></ul><ul><li>Streaming to Handhelds </li></ul><ul><li>Satellite Usage </li></ul><ul><ul><li>Content Origination (uplink) </li></ul></ul><ul><ul><li>Satellite Downlink </li></ul></ul>
  22. 22. Building the Infrastructure Storage <ul><li>Direct Attached Storage (DAS) </li></ul><ul><li>Network Attached Storage (NAS) </li></ul><ul><li>Storage Area Networks (SAN) </li></ul><ul><li>Mixing Storage Architectures </li></ul><ul><li>Determing Needs & Product Evaluation </li></ul><ul><li>Emerging Storage Technologies </li></ul>
  23. 23. Building the Infrastructure Origination of Live Content <ul><li>Where to Place Live Encoders </li></ul><ul><li>Network Issues </li></ul><ul><li>Monitoring </li></ul><ul><li>Automation/Scheduling </li></ul><ul><li>Remote Control </li></ul>
  24. 24. Building the Infrastructure Transcoding <ul><li>Issues </li></ul><ul><ul><li>Quality of Source Material </li></ul></ul><ul><ul><li>Lossy vs. Lossless Compression </li></ul></ul><ul><ul><li>General Methods for Transcoding </li></ul></ul><ul><li>Products </li></ul><ul><ul><li>FlipFactory </li></ul></ul><ul><ul><li>Cleaner </li></ul></ul><ul><ul><li>Anystream </li></ul></ul><ul><ul><li>ProCoder </li></ul></ul><ul><li>Automation </li></ul>
  25. 25. Managing Digital Repositories <ul><li>Leveraging Existing Systems </li></ul><ul><li>What is already in place? </li></ul><ul><ul><li>E-Reserves Systems </li></ul></ul><ul><ul><li>Course Management Systems </li></ul></ul><ul><ul><li>Authentication Systems </li></ul></ul><ul><ul><li>Digital Library/Content Mgmt Systems </li></ul></ul><ul><ul><li>Local Metadata/Content Standard </li></ul></ul>
  26. 26. Managing Digital Repositories <ul><li>Functional Requirements </li></ul><ul><li>Ingest Functions </li></ul><ul><li>Data Management/Metadata Mgmt </li></ul><ul><li>Archival Storage Procedures </li></ul><ul><li>Preservation Planning </li></ul><ul><li>Access Strategies – Deep or Shallow </li></ul>
  27. 27. Managing Digital Repositories <ul><li>ADMINISTRATION </li></ul><ul><li>PRESERVATION PLANNING </li></ul>Data & MetaData Mgmt. Archival Storage Ingest Access AIP descriptive info descriptive info AIP OAIS MODEL C O N S U M E R PRODUCER Training Discovery Infrastructure Training Discovery Infrastructure
  28. 28. Managing Digital Repositories <ul><li>Central vs Distributed </li></ul><ul><li>Why not Both? </li></ul><ul><li>Should your next system – be separate or an aggregate? </li></ul><ul><li>Building relationships for the future </li></ul><ul><li>Face to Face meetings with video counterparts </li></ul><ul><li>Workflow Issues – Who does What? </li></ul>
  29. 29. Authentication and Authorization Security Basics <ul><li>Securing the Server </li></ul><ul><li>Securing the Network </li></ul><ul><li>Securing the Data on the Network </li></ul><ul><li>Authentication </li></ul><ul><li>Authorization </li></ul>
  30. 30. Authentication and Authorization Streaming Video Security <ul><li>Authentication </li></ul><ul><ul><li>User Name/Password </li></ul></ul><ul><ul><li>Credentials </li></ul></ul><ul><ul><li>Proprietary Solutions </li></ul></ul><ul><li>Authorization </li></ul><ul><ul><li>User Name/Password </li></ul></ul><ul><ul><li>LDAP </li></ul></ul><ul><ul><li>Credentials </li></ul></ul><ul><ul><li>Proprietary Solutions </li></ul></ul><ul><ul><li>Digital Rights Management </li></ul></ul>
  31. 31. Authentication and Authorization Digital Rights Management (DRM) <ul><li>DRM Defined </li></ul><ul><li>DRM in Streaming Video </li></ul>
  32. 32. Authentication and Authorization Shibboleth <ul><li>Authenticate Locally, Access Globally </li></ul>
  33. 33. Accessibility Issues Section 508 Requirements <ul><li>Requires that content dependent upon auditory or visual communication be accessible through alternative means </li></ul><ul><li>http:www.section508.gov </li></ul><ul><li>Tools & Guidelines at: http://www.w3.org/wai </li></ul>
  34. 34. Accessibility Issues Pragmatic Considerations <ul><li>Who is your audience, and what accessibility options are necessary to ensure effective communications? </li></ul><ul><li>Web Design considerations critical </li></ul><ul><li>Customize with aid of Office for Students w/Disabilities </li></ul>
  35. 35. Accessibility Issues Captioning Resources <ul><li>Captions preferred in separate window rather than superimposed over video </li></ul><ul><li>Real and QuickTime Supported by .smil format – http:www.w3.org/AudioVideo </li></ul><ul><li>WinMedia supported by .sami format </li></ul><ul><li>http://msdn.microsoft.com/library/default.asp?url=/library/en-us/dnacc/html/atg_samiarticle.asp </li></ul>
  36. 36. Accessibility Issues Captioning Tools <ul><li>http://www.w3.org/AudioVideo </li></ul><ul><li>FREE SOFTWARE: Magpie http://ncam.wgbh.org/webaccess/magpie </li></ul><ul><li>COMMERCIAL SOFTWARE: CPC http://www.cpcweb.com/ </li></ul>
  37. 37. Accessibility Issues Visual Impairment <ul><li>Caption all graphics </li></ul><ul><li>Separate Descriptive tracks </li></ul><ul><li>More likely to be hardware dependent </li></ul><ul><ul><li>Braille readers </li></ul></ul><ul><li>Text-to-Speech engines </li></ul>
  38. 38. Contact Us…….. <ul><li>[email_address] </li></ul>

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