Multimedia Literacy

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Multimedia Literacy
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Topics

• Definitions
• Taxonomy of Multimedia Objects
• Survey of Multimedia Applications
• Multimedia Computer Components

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What is Multimedia?

• The use of a computer to present and combine
  text, graphics, audio and video with links and
  tools that let the user navigate, interact,
  create, and communicate.
• If one of the components is missing, you do not
  have multimedia.

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Why is it important?

• It is emerging as a basic skill that will be
  important to life in the 21st century as reading.
• Telecommuting
• Home Shopping
• Electronic Publishing

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Taxonomy of Multimedia Objects

• Text- Printed, Scanned, Electronic, Hypertext
• Graphics - Bitmaps, Clip Art, Digitized Pictures,
  Hyperpictures
• Waveform Audio - digitized recordings, CD Audio
  (all ready in computer form), MIDI (Musical
  Instrument Digital Interface) Hyperaudio (trigger
  other multimedia objects)

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Multimedia Objects

• Live Video Feeds (need a video overlay board)
• Videotape, Videodisc, Digital Video (dont need
  players)

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Survey of Multimedia Applications

• The Blue Angles
• Experience how the music is timed to the video

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Survey

• One of Kennedys Famous Speeches

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Survey

• Monkey behavior

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Survey

• The beauty of nature

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Survey

• Morphing

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Survey

• Architecture
• education

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Multimedia Computer Components

• There are five categories in a multimedia
  computer
• system unit
• multimedia accessories
• read/write storage
• auxiliary input devices
• communication options

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System Unit

• Central Processor (586)
• RAM (16MB)
• Color Display (640 x 480)
• Pointing Device

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Multimedia Sites

• http//webcorp.com/video/videoarchive.htm

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Multimedia Accessories

• DVD-ROM
• Digital Audio (Sound Blaster - at least a 16-bit
  audio board)
• Audio Speakers
• Video Overlay - card that allows your computer
  to display common video sources (video cameras,
  VCRs)

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DVD-ROM

• More storage capacity
• 1 DVD approx. 12.5 CD-ROMs - 5650 disketts
• DVDs 4.7-17 GB
• Better audio
• 6 separate audio tracks
• permits up to eight language translations
• important is that you can use the DVD player to
  play todays audio compact disk (backward
  compatible)
• recordable and rewritable

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Multimedia Accessories (input)

• Sound card
• microphone
• graphics scanner
• video capture card - digitize file and video
  segments for manipulation

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Read/Write Storage

• Hard Disk (bigger the better)
• Read-Write Optical Disk (holds 128 MB - about 9
  boxes of high density 3.5 inch diskettes)
• Writable CD-ROM (650 MB)
• PCMCIA cards (Personal Computer Memory Card
  International Association - credit-card sized
  peripherals)

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Communications Options

• Modems
• Networks
• Internet Connections

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Experiencing Multimedia on the Web

• Technology may require users to some extra work
  in order to activate Web multimedia on their own
  computers
• Plug-ins (add ons) programs downloaded form a
  vendors Web site that enhance your browsers
  capabilities

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Popular Plug-ins

• Real Audio
• www.realaudio.ocm
• Shockwave
• www.macromedia.com
• Live 3D
• www.netscape.com
• vivoActive and CU-SeeMe
• www.netscape.com, www.wpine.com

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Internet Multimedia

• When you click a Web page to play a media
  element, the Web server sends a copy of the media
  file to your computer.
• This can be done in two ways
• all at once (long video files!!!)
• streaming media
• multimedia is displayed with 2 technologies
• in-place multimedia
• multimedia overlay

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Questions

• http//webcorp.com/video/videoarchive.htm