Distance Education Technology

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Distance Education Technology

• Dr. Davis Jason
• By
• Visaluk Sangchan

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Model of Communication

• Field of experience Field of experience
• Sender Encode Channel
  Decode Receiver
• Noise

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Videoconferencing system

• Technology in Distance Education
• The technology that used in Distance Education
  can divide into two categories.
• Telecommunication Technology
• These technology is provide the equipment that
  connect the instructors to learners that contains
• 1. Compressed videoconferencing system
• 2. CODEC that removes redundant information
  for transmission to the distant site.
• 3. Set-top system helps to compress and
  decompress outgoing and incoming transmissions.
• 4. Fiber-optic cable to connect site has been
  used for high-quality audio signals, full motion
  video signal and unlimited of other voice and
  data information.

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Videoconferencing system cont

• Classroom Technology
• Provided technology to record, present and
  display instructional information that contains
• 1. Video camera (3/ room)
• Teacher camera
• Student camera
• Document camera
• 2. Electronics necessary
• Switching system is needed to allow the
  instructor to switch between cameras and
  instructional equipment.
• 3. Audio equipment
• 4. Instructional Media
• Computer, video cassette recorder, video slide
  projector, and electronics necessary
• 5. Display equipment
• TV, speaker, microphone

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Control SystemUsed to switch cameras
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Visual PresenterPermit the transmission of flat
visuals such as book pages, pictures, and drawing
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Instructional MediaVideo Recorder
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Display EquipmentTelevision Monitors for Local
and Remote
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Video Camera
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Push-to-Talk Microphone