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Chapter 10 PowerPoint® Presentation (1202.0K)
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Chapter 10 PowerPoint® Presentation (1202.0K)

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Transcript

  • 1. Video Chapter 10
  • 2. Video in Multimedia
    • Visual motion helps to convey realism and movement
  • 3. Uses of Video in Multimedia
    • Video enhances common applications of multimedia.
      • Video simulations show procedures and interactions that would be dangerous to perform in actuality
      • Games use video to simulate flight, car racing, and other action
      • Web sites and CD-ROMs use videos as reference material
      • Videoconferences enable participants to see each other and witness demonstrations
  • 4. Video Quality
    • Video quality depends on:
      • The resolution and clarity of individual video frames.
      • The frame rate or speed at which video frames appear. Frame rate is measured in frames per second (FPS).
  • 5. What is streaming video?
    • Streaming video refers to a technique for transferring data so that the browser starts displaying the data before the entire file has been transmitted.
  • 6. Video File Format
    • A video file’s format determines:
      • Which programs can open and play it.
      • How much space it occupies on a disk.
      • How fast it travels over an Internet connection.
  • 7. Common File Formats
    • The most commonly used video file formats are:
      • MOV (movie), also known as QuickTime
      • WMV (Windows media video)
      • AVI (audio video interleave)
      • MPEG compresses audio and video
  • 8. Video Software
    • There are programs for playing video and audio, as well as editing and distributing video.
      • A number of video players are available on the Internet for free or at nominal cost.
      • Video editing software allows you to edit video.
  • 9. Video Hardware
    • Video hardware includes:
      • Camcorders, digital or analog, for recording live action
      • Webcams, to include live, streaming video in a Web site
      • Capture cards for converting analog video to digital format
      • Video tuners to enable a PC to receive and save television signals

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