Introduction To Multimedia
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  • 1.  
  • 2.
    • Multimedia is the field concerned with the computer-controlled integration of text, graphics, drawings, still and moving images (Video), animation, audio, and any other media where every type of information can be represented, stored, transmitted and processed digitally.
  • 3.
    • A Multimedia Application is an Application which uses a collection of multiple media sources e.g. text, graphics, images, sound/audio, animation and/or video.
  • 4.
    • Hypertext is a text which contains links to other texts. (non_linear)
  • 5.
    • 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.
  • 6.
    • The World Wide Web (WWW) is the best example of hypermedia applications.
  • 7.
    • Multimedia systems must be computer controlled .
    • The information they handle must be represented digitally .
    • The interface to the final presentation of media is usually interactive .
  • 8.
    • Supporting multimedia applications over a computer network renders the application distributed or applications executed in mobile devices .
    • Data has to represented digitally so many initial source of data needs to be digitise -- translated from analog source to digital representation.
  • 9.
    • The data is large several Mb easily for audio and video -- therefore storage, transfer (bandwidth) and processing overheads are high.
    • Data compression techniques very common
  • 10.
    • World Wide Web
    • Video conferencing
    • Video-on-demand
    • Interactive TV
    • Home shopping
    • Games
    • Virtual reality
    • Digital video editing and production systems
    • Multimedia Database systems
  • 11.
    • Digital Radio
    • VoIP
  • 12.
    • Big Ben in Madrid
  • 13.
    • Crazy autos
  • 14.
    • With or without you
  • 15.
    • Star Trek Transporter Effect
  • 16.
    • To create a multimedia application may be necessary:
      • Image retouching
      • Sound edition
      • Create and edit digital video
      • Create animations
    • Also the main trends are multimedia web applications
  • 17.
    • We need to know compression mechanism to multimedia items
    • We need to know web programming language to insert multimedia items and create our first simple multimedia application.