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Intro to Multimedia Systems


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Intro to Multimedia Systems

  1. 1. IT31 – Multimedia Systems<br />Prepared by: Ocirne Jun-Jun S. Liwanag<br />
  2. 2. What is Multimedia?<br />Multimedia is media and content that uses a combination of different content forms. Multimedia includes a combination of text, audio, still images, animation, video, and interactivity content forms.<br />
  3. 3. Multimedia Application is an Application which uses a collection of multiple media sources e.g. text, graphics, images, sound/audio, animation and/or video.<br />
  4. 4. What is HyperText and HyperMedia?<br />Hypertext is a text which contains links to other texts. (e.g. PDF Documents, Word Documents)<br /> <br />HyperMedia is not constrained to be text-based. It can include other media, e.g., graphics, images, and especially the continuous media - sound and video. (e.g. WWW)<br />
  5. 5. MULTIMEDIA SYSTEMS<br />A Multimedia System is a system capable of processing multimedia data and applications.<br />
  6. 6. Characteristics of a Multimedia System<br />Multimedia systems must be computer controlled.<br />Multimedia systems are integrated.<br />The information they handle must be represented digitally.<br />The interface to the final presentation of media is usually interactive.<br />
  7. 7. Components of a Multimedia System<br />Capture devices<br />Video Camera, Video Recorder, Audio Microphone, Keyboards, mice, graphics tablets, 3D input devices, tactile sensors, VR devices. Digitizing/Sampling Hardware <br />Storage Devices<br />Hard disks, CD-ROMs, Zip drives, DVD, etc <br />Communication Networks<br />Ethernet, Token Ring, FDDI, ATM, Intranets, Internets. <br />
  8. 8. Components of a Multimedia System (2)<br />Computer Systems<br />Multimedia Desktop machines, Workstations, MPEG/VIDEO/DSP Hardware <br />Display Devices<br />CD-quality speakers, HDTV,SVGA, Hi-Res monitors, Color printers etc.<br />
  9. 9. Examples of Multimedia Applications include:<br />World Wide Web<br />Hypermedia courseware<br />Video conferencing<br />Video-on-demand<br />Interactive TV<br />Groupware<br />Home shopping<br />Games<br />Virtual reality<br />Digital video editing and production systems<br />Multimedia Database systems<br />
  10. 10. CATEGORIZATION OF MULTIMEDIA<br />Linear active content progresses without any navigation control for the viewer such as a cinema presentation.<br /> <br />Non-linear content offers user interactivity to control progress as used with a computer game or used in self-paced computer based training.<br />
  11. 11. ELEMENTS OF MULTIMEDIA<br />Text - Displays word on the screen – is the base layer of almost all programs. Text is still the quickest programs will always use it.<br />Pictures - Multimedia computers can display photograph quality pictures on the monitor.<br />Movies - With a multimedia program, your computer can turn into a TV set.<br />
  12. 12. ELEMENTS OF MULTIMEDIA<br />Animation - Sometimes animation can express a point better than movies.<br />Sound - A biting dinosaur isn’t much impressive unless you can hear the bone crunches well.<br />