Introduction To Multimedia

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Introduction to multimedia

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Introduction To Multimedia

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

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