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DiDA

Multimedia design

Content and components

Text

  • Select a font size that can be read easily, even by viewers with less than perfect vision.
  • Use static text, because moving text can be difficult to read, especially for slow readers.
  • Align text to the left, because having a consistent starting point makes it easier to read.
  • Use lower or mixed case letters, as people generally read upper case text 10 per cent more slowly than other text.
  • Take care when selecting a background colour - use one that is plain, or has a subtle pattern. A complex background makes text hard to read.

Images

  • Images refer to static pictures that have been captured or recorded on a digital camera, video tape or other physical media device.
  • Graphics are images that have been computer-rendered to represent real objects.
  • Well-designed images and graphics can convey a tremendous amount of information in a compact way that is both memorable and appealing.
  • Every image you include should be relevant and useful. Do not include pointless images.
  • Always check that you have saved your image in the correct format - photographs are usually saved as a .JPG and graphics as a .GIF.

Animation

  • Animation involves displaying moving images and is achieved by presenting images at a rate that is fast enough to give the illusion of motion.
  • Use animation to add realism to artificial images.
  • Animation can help keep the user interested, explain a complicated concept and help the user remember information.
  • Some animations can detract from the multimedia product. For example, animated gifs on websites often distract users and they can't be turned off.

Sound

  • Sound, or audio, refers to recorded music, voices or other sound that is played back.
  • When used effectively, audio increases information retention.
  • Sound is a useful method of communicating with the user. A voice can tell the user what to do next, or a feedback sound can be used to indicate to the user when they have input a response.

Video

  • Video involves capturing and recording moving images.
  • Video files are often very large. Be aware of this when presenting material in video format.

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