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Multimedia Literacy

Multimedia Literacy. Topics. Definitions Taxonomy of Multimedia Objects Survey of Multimedia Applications Multimedia Computer Components. What is Multimedia?.

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Multimedia Literacy

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  1. Multimedia Literacy

  2. Topics • Definitions • Taxonomy of Multimedia Objects • Survey of Multimedia Applications • Multimedia Computer Components

  3. 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.

  4. 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

  5. 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)

  6. Multimedia Objects • Live Video Feeds (need a video overlay board) • Videotape, Videodisc, Digital Video

  7. Survey of Multimedia Applications • One of Kennedy’s Famous Speeches

  8. Survey • The beauty of nature

  9. Survey • Morphing

  10. Survey • Architecture • education

  11. Multimedia Computer Components • There are five categories in a multimedia computer: • system unit • multimedia accessories • read/write storage • auxiliary input devices • communication options

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

  13. Multimedia Sites • http://webcorp.com/video/videoarchive.htm

  14. 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)

  15. 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 today’s audio compact disk (backward compatible) • recordable and rewritable

  16. Multimedia Accessories (input) • Sound card • microphone • graphics scanner • video capture card - digitize file and video segments for manipulation

  17. 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)

  18. Communications Options • Modems • Networks • Internet Connections

  19. 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 vendor’s Web site that enhance your browser’s capabilities

  20. 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

  21. 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

  22. Questions http://webcorp.com/video/videoarchive.htm

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