SURAViDe 5th Annual Digital Video Workshop

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SURA/ViDe 5th Annual Digital Video Workshop
The ViDe Guide to Streaming Media

• GCATT Atlanta, Georgia
• March 26, 2003

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Presentation Outline

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

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Streaming Media Working Group

• Established in April 2002
• 38 Individual Members
• Representing 18 Universities Consortia
• Including 7 SURA Schools
• And 2 International Members
• 12 Member Editorial Board

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Streaming Media Cookbook

• Mission
• To help educational institutions plan and promote
  streaming media services on their campuses

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Snapshot of Current Services

• Statistical Sample of US Universities
• Comprehensive Survey of I2 Schools
• Comparison with International Practice

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Scope of the Cookbook

• Media-on-Demand and Live Streaming
• Audio, Video and Mixed Media
• Proprietary and Standard Formats
• Technical Issues and Policy Issues

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Cookbook Format

• Tutorials
• Best Practices
• Case Studies
• Evaluation Guidelines
• Whitepapers
• Reference Tools

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Applications and Scenarios

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

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It Takes a VillageIdentifying Strategic Partners

• Video Production Units
• IT Infrastructure/Networking Services
• Continuing Education
• Libraries
• Instructional Training
• Legal Affairs
• Public Relations
• Help Desk

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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

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Creating Content Pre-Production

• Validate Project Concepts
• Make a Plan
• Purchase Equipment and Hire Personnel

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Creating Content Production

• Mid-Production Planning and Coordination
• Lighting
• Audio
• Video
• Locations
• Office vs Classroom vs Studio
• Wardrobe
• Personnel

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Creating Content Post-Production

• Video/Audio Capture
• External Capture
• Composite
• USB
• Firewire/iLink/IEEE1394
• Cabling
• Editing

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Creating Content Hardware/Software/Personnel

• Support/Assistance
• Infrastructure
• Encoding
• CODEC
• Application Default CODECs
• Analysis/Understanding

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Creating Content Hardware/Software/Personnel

• Files Types
• Real
• Quicktime
• Microsoft Media Formats
• MPEG1
• MPEG2
• MPEG4
• MP3
• Others

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Creating Content Support Issues

• VOD (Video on Demand
• Hardware
• Software
• Personnel
• Live Webcasts
• Hardware
• Software
• Personnel

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Building the InfrastructureStreaming Servers

• Types of Streaming Servers
• RTSP
• HTTP
• Others

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Building the InfrastructureStreaming Servers

• Vendors
• Real
• Microsoft
• Apple
• IBM
• Cisco
• Macromedia
• Others

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Building the InfrastructureNetwork Infrastructure

• Bandwidth Requirements
• Issues on the LAN
• Wireless
• Ethernet Configurations

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Building the InfrastructureNetwork Infrastructure

• Reaching Clients Outside your LAN
• Firewalls
• Modems
• DSL/Cable Modems
• VPNs
• Proxies
• Caching Servers
• Content Distribution Networks (CDN)

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Building the InfrastructureNetwork Infrastructure

• Multicast Issues
• Streaming to Handhelds
• Satellite Usage
• Content Origination (uplink)
• Satellite Downlink

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Building the InfrastructureStorage

• Direct Attached Storage (DAS)
• Network Attached Storage (NAS)
• Storage Area Networks (SAN)
• Mixing Storage Architectures
• Determing Needs Product Evaluation
• Emerging Storage Technologies

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Building the Infrastructure Origination of Live
Content

• Where to Place Live Encoders
• Network Issues
• Monitoring
• Automation/Scheduling
• Remote Control

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Building the Infrastructure Transcoding

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

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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

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Managing Digital Repositories

• Functional Requirements
• Ingest Functions
• Data Management/Metadata Mgmt
• Archival Storage Procedures
• Preservation Planning
• Access Strategies Deep or Shallow

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Managing Digital Repositories
OAIS MODEL

• ADMINISTRATION

C O N S U M E R
PRODUCER
AIP
AIP
Archival Storage
Access
Ingest
Data MetaData Mgmt.
descriptive info
descriptive info
Training Discovery Infrastructure

• PRESERVATION PLANNING

Training Discovery Infrastructure
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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?

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Authentication and AuthorizationSecurity Basics

• Securing the Server
• Securing the Network
• Securing the Data on the Network
• Authentication
• Authorization

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Authentication and AuthorizationStreaming Video
Security

• Authentication
• User Name/Password
• Credentials
• Proprietary Solutions
• Authorization
• User Name/Password
• LDAP
• Credentials
• Proprietary Solutions
• Digital Rights Management

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Authentication and AuthorizationDigital Rights
Management (DRM)

• DRM Defined
• DRM in Streaming Video

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Authentication and AuthorizationShibboleth

• Authenticate Locally, Access Globally

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Accessibility IssuesSection 508 Requirements

• Requires that content dependent upon auditory or
  visual communication be accessible through
  alternative means
• httpwww.section508.gov
• Tools Guidelines at http//www.w3.org/wai

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Accessibility IssuesPragmatic 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

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Accessibility IssuesCaptioning Resources

• Captions preferred in separate window rather than
  superimposed over video
• Real and QuickTime Supported by .smil format
  httpwww.w3.org/AudioVideo
• WinMedia supported by .sami format
• http//msdn.microsoft.com/library/default.asp?url
  /library/en-us/dnacc/html/atg_samiarticle.asp

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Accessibility IssuesCaptioning Tools

• http//www.w3.org/AudioVideo
• FREE SOFTWARE Magpie http//ncam.wgbh.org/webacce
  ss/magpie
• COMMERCIAL SOFTWARE CPC http//www.cpcweb.com/

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Accessibility IssuesVisual Impairment

• Caption all graphics
• Separate Descriptive tracks
• More likely to be hardware dependent
• Braille readers
• Text-to-Speech engines

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Contact Us..

• streaming-cookbook_at_sunsite.utk.edu