Video files

• State 4 examples of lossy compressed video files which are used for video and animation

  • .mp4
  • .mov
  • .wmv
• State an example of a variable compressed video file

  • .avi
• State an example of a lossless compressed video file used for animations

  .gif (Animated GIF)
• Give 2 properties of an .mp4 file

  • Used on multiple platforms and operating systems
  • Small file sizes
• State 2 drawbacks of using an .mp4 file

  • Audio and video can go out of sync
  • Loss of quality if compressed too much
• Give 2 properties of a .mov file

  • Developed by Apple
  • Used for editing more than playback
• State one drawback of a .mov file

  • QuickTime (player) must be installed to view
• Give 2 properties of a .wmv file

  • Streaming is possible
  • Good quality video
• State 2 drawbacks of using a .wmv file

  • Available on windows without downloading a player
  • Not commonly used
• Give 2 properties of an .avi file

  • Choice of compressed or uncompressed
  • Good quality
• State 2 drawbacks of using an .avi file

  • No direct streaming is possible
  • Menus and chapters are not supported
• Give 2 properties of an animated gif file

  • Viewable on any device
  • Compresses without losing much quality
• State 2 drawbacks of using an animated gif

  • For short videos only
  • Cannot be edited once completed