SURA/ViDe 5th Annual Digital Video Workshop GCATT Atlanta, Georgia March 26, 2003 The ViDe Guide to Streaming Media

Presentation Outline Cookbook Overview Creating Digital Assets Building an Infrastructure Managing Digital Repositories Authentication and Authorization Accessibility Issues Emerging Technologies

Streaming Media Working Group Established in April Individual Members Representing 18 Universities & Consortia Including 7 SURA Schools And 2 International Members 12 Member Editorial Board

Streaming Media Cookbook Mission: To help educational institutions plan and promote streaming media services on their campuses

Snapshot of Current Services Statistical Sample of US Universities Comprehensive Survey of I2 Schools Comparison with International Practice

Scope of the Cookbook Media-on-Demand and Live Streaming Audio, Video and Mixed Media Proprietary and Standard Formats Technical Issues and Policy Issues

Cookbook Format Tutorials Best Practices Case Studies Evaluation Guidelines Whitepapers Reference Tools

Applications and Scenarios Electronic Reserves Distance Education Digital Libraries Videoconference Archives Public Relations and Special Events

It Takes a Village: Identifying Strategic Partners Video Production Units IT Infrastructure/Networking Services Continuing Education Libraries Instructional Training Legal Affairs Public Relations Help Desk

Planning for the Future Developing a Viable Business Plan Integrating Disparate Roles and Functions Securing Institutional Commitment Making Ends Meet Taming the Wild Vendor Anticipating the Unknowable

Creating Content: Pre-Production Validate Project Concepts Make a Plan Purchase Equipment and Hire Personnel

Creating Content: Production Mid-Production Planning and Coordination Lighting Audio Video Locations –Office vs Classroom vs Studio Wardrobe Personnel

Creating Content: Post-Production Video/Audio Capture External Capture –Composite –USB –Firewire/iLink/IEEE1394 Cabling Editing

Creating Content: Hardware/Software/Personnel Support/Assistance Infrastructure Encoding CODEC Application Default CODECs Analysis/Understanding

Creating Content: Hardware/Software/Personnel Files Types –Real –Quicktime –Microsoft Media Formats –MPEG1 –MPEG2 –MPEG4 –MP3 –Others

Creating Content: Support Issues VOD (Video on Demand –Hardware –Software –Personnel Live Webcasts –Hardware –Software –Personnel

Building the Infrastructure Streaming Servers Types of Streaming Servers –RTSP –HTTP –Others

Building the Infrastructure Streaming Servers Vendors –Real –Microsoft –Apple –IBM –Cisco –Macromedia –Others

Building the Infrastructure Network Infrastructure Bandwidth Requirements Issues on the LAN –Wireless –Ethernet Configurations

Building the Infrastructure Network Infrastructure Reaching Clients Outside your LAN –Firewalls –Modems –DSL/Cable Modems –VPNs –Proxies –Caching Servers –Content Distribution Networks (CDN)

Building the Infrastructure Network Infrastructure Multicast Issues Streaming to Handhelds Satellite Usage –Content Origination (uplink) –Satellite Downlink

Building the Infrastructure Storage Direct Attached Storage (DAS) Network Attached Storage (NAS) Storage Area Networks (SAN) Mixing Storage Architectures Determing Needs & Product Evaluation Emerging Storage Technologies

Building the Infrastructure Origination of Live Content Where to Place Live Encoders Network Issues Monitoring Automation/Scheduling Remote Control

Building the Infrastructure Transcoding Issues –Quality of Source Material –Lossy vs. Lossless Compression –General Methods for Transcoding Products –FlipFactory –Cleaner –Anystream –ProCoder Automation

Managing Digital Repositories Leveraging Existing Systems What is already in place? –E-Reserves Systems –Course Management Systems –Authentication Systems –Digital Library/Content Mgmt Systems –Local Metadata/Content Standard

Managing Digital Repositories Functional Requirements Ingest Functions Data Management/Metadata Mgmt Archival Storage Procedures Preservation Planning Access Strategies – Deep or Shallow

Managing Digital Repositories ADMINISTRATION PRESERVATION PLANNING Data & MetaData Mgmt. Archival Storage Ingest Access AIP descriptive info descriptive info AIP OAIS MODEL CONSUMERCONSUMER PRODUCERPRODUCER Training Discovery Infrastructure Training Discovery Infrastructure

Managing Digital Repositories Central vs Distributed Why not Both? Should your next system – be separate or an aggregate? Building relationships for the future Face to Face meetings with video counterparts Workflow Issues – Who does What?

Authentication and Authorization Security Basics Securing the Server Securing the Network Securing the Data on the Network Authentication Authorization

Authentication and Authorization Streaming Video Security Authentication –User Name/Password –Credentials –Proprietary Solutions Authorization –User Name/Password –LDAP –Credentials –Proprietary Solutions –Digital Rights Management

Authentication and Authorization Digital Rights Management (DRM) DRM Defined DRM in Streaming Video

Authentication and Authorization Shibboleth Authenticate Locally, Access Globally

Accessibility Issues Section 508 Requirements Requires that content dependent upon auditory or visual communication be accessible through alternative means Tools & Guidelines at:

Accessibility Issues Pragmatic Considerations Who is your audience, and what accessibility options are necessary to ensure effective communications? Web Design considerations critical Customize with aid of Office for Students w/Disabilities

Accessibility Issues Captioning Resources Captions preferred in separate window rather than superimposed over video Real and QuickTime Supported by.smil format – WinMedia supported by.sami format url=/library/en- us/dnacc/html/atg_samiarticle.asp

Accessibility Issues Captioning Tools FREE SOFTWARE: Magpie COMMERCIAL SOFTWARE: CPC

Accessibility Issues Visual Impairment Caption all graphics Separate Descriptive tracks More likely to be hardware dependent –Braille readers Text-to-Speech engines

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