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    Slide 1 Slide 1 Presentation Transcript

    • Digital Video Media By: David Owens
    • Introduction to Video
      • Streams: Audio and Video
      • Video Frames
      • Compression
      • Scale
      • Time-code
    • Video Encoding
      • Codec: Encode/Decode
      • Lossless – No data lost or changed
      • Lossey – Data lost during compression
    • Divx
      • Readily available
      • Proprietary
      • Keyframing
      • Lossey
    • Xvid
      • MPEG-4 ISO compliant
      • Open Source
      • Keyframing
      • Lossey
    • HuffYUV
      • Lossless
      • Encoding speed
      • Size
    • Video Editing
      • Timeline(s)
      • Audio/Video interaction
      • Codec Support
      • Ease of use (UI)
    • Windows Movie Maker
      • Movie files are added to collections and divided into clips
      • Lacks multi-timelines
      • Limited ability to change clips
      • Simple audio adjusting
      • Limited exporting choices
      • Relatively simple for beginners
    •  
    • VirtualDub
      • Single Timeline
      • Large support for codecs
      • Fairly easy to use, simple design
      • More editing choices
      • More choices of audio
      • Many exporting options
    •  
    • Adobe Premiere
      • Multiple Timelines
      • Multiple Audio Sources
      • Many editing choices
      • Large support for codecs
      • Easy to use
      • Expensive
    •  
    • Jahshaka
      • Open Source
      • No comment…
    •  
    • Video Media Ethics
      • Companies protecting their copyrighted works
      • Individual violating copyrights
    • Sony CD DRM
      • Uses Autorun feature of windows to install anti-music copying software without user’s consent.
      • Easily countered
      • Compromises to system security
      • MediaMax, XCP systems
    • Samsung DRM Glitch
      • US Film Makers Sue Samsung Over Glitches on DVD Players
      • Glitch allows players to bypass DRM mechanisms
      • “Sophisticated users”
    • Fair Use
      • Section 107 of copyright law
      • Reproduction of work considered “fair” for criticism, comment, news reporting, teaching, scholarship, and research.
      • Factors considered: character of use, nature of copyrighted work, amount of the portion used, effect of the use upon the potential market
      • Protects the way the original author expressed the information, not the information itself
      • This slide intentionally left blank
    • Sources Used:
      • www.divx.com
      • www.xvid.org
      • www.virtualdub.org
      • http://neuron2.net/www.math.berkeley.edu/benrg/huffyuv.html
      • www.chiariglione.org/
      • http://times.hankooki.com/
      • Center for Information Technology Policy Department of Computer Science Princeton University
      • http://www.copyright.gov