New Media Video Overview

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First lecture for EMC 3210, New Media Video Applications

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New Media Video Overview

  1. 1. New Media Video Overview
  2. 2. Thecollisionand evolution Images Audio Video
  3. 3. Digitalformats Images = jpg, gif Audio = wav, aiff Video = mov, avi
  4. 4. RecordedAudio  Cylinders  Discs  Wire  Open reel tape  8 Tracks  Cassettes  CD  File based
  5. 5. RecordedVideo  Disc – 1926 – Phonovision  Film – 1930s - Kinescope  Tape – 1951 – Ampex  Videocassettes (tape) – 1971 – Sony  Videodiscs – 1964 (RCA), 1978 (Pioneer)  CD (Video CD, CD-G, CD-ROM/RW)  DVD / Blu-ray / HD DVD  File based
  6. 6. CapacitanceElectronicDisc(CED)  RCA selectvision  (1964) 1981  Mechanical  30 cm – 11.81 inches  Composite video  Conductive vinyl platter  PVC blended with carbon to allow the disc to be conductive  Layer of silicone applied to the disc as A lubricant  Handled in A caddy http://en.wikipedia.org/wiki/Capacitance_Electronic_Disc www.videointerchange.com
  7. 7. LaserDisc/DiscoVision  1978  Optical – laser  30 cm – 11.81 inches  Two single-sided aluminum discs layered in plastic  Looks like a vinyl record or very large DVD  Used interactively under computer control Wikipedia http://en.wikipedia.org/wiki/Laser_disc- www.laserdiscarchive.co.uk
  8. 8. CD-ROM  1998  650Mbs to 900Mbs  12 cm  Special Formats  Video CD  CD-G www.arsenmusic.com
  9. 9. EarlyDigital Videofiletypes  Motion JPEG  IEEE  1989  QuickTime  Apple  June 1991  Video for Windows  Microsoft  Video for Windows  November 1992
  10. 10. DVD  Digital Versatile Disk  1995  12 cm  4Gbs to 18Gbs (Double sided, double layer)  First DVD movie – “The Assassin” Japan obamaeffectmovie.com
  11. 11. Blu-ray/ HD DVD  2006  12 cm  25Gbs to 128 Gbs  First Blu-Ray film “Fifty First Dates” harddrivedvdrecordertech.co.uk www.gadgetreview.com
  12. 12. Videoonnetworks  Ethernet  Internet  Cloud
  13. 13. Formats  Real – RM  Quicktime - MOV  Flash - FLV  Windows Media – WMV  MPEG – MPEG or MPG
  14. 14. Downloaded  Save As  Large files  High bandwidth for download  Large disk storage
  15. 15. Streamed  Embedded from URL  File is not “on” webpage  Points to a file in another directory or on a another site  Large file sizes  Requires high bandwidth for playback
  16. 16. DigitalCompression  Eliminates redundant or unnecessary bits  Reduces the size of movies so that they can be stored, transmitted, and played back effectively Adobe - About video and audio encoding and compression. http://help.adobe.com/en_US/mediaencoder/cs/using/WSb8e30982e628fbecc0e59e6131255b4dd2-8000.html
  17. 17. FileEncoding  Uses various compression schemes to compress the information.  Each encoder has a corresponding decoder that decompresses and interprets the data for playback. Adobe - About video and audio encoding and compression. http://help.adobe.com/en_US/mediaencoder/cs/using/WSb8e30982e628fbecc0e59e6131255b4dd2-8000.html
  18. 18. Videobreakthroughs  IEEE 1394 Firewire standard – 1986  Digital video encoding – 1991  DV Camcorders - 1995  Digital video editing - 1998
  19. 19. Firewire  IEEE 1394 commons.wikimedia.org
  20. 20. DigitalVideoEncoding  QuickTime andVideo forWindows kootation.com www.starming.com
  21. 21. DigitalCamcorder  DCR-VX1000 clear.unt.edu
  22. 22. Non–LinearEditing  CMX 600 - 1971  EditDroid – 1984  Avid – 1989  Adobe Premiere – 1991  Media 100 - 1993  Macromedia Keyframe – 1998  Apple Final Cut Pro - 1999
  23. 23. AnalogVideoEditing  Linear (tape to tape) www.mediacollege.com
  24. 24. DigitalVideoEditing  Non-Linear (tape to hard drive) www.tbc.school.nz

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