video conferencing video conferencing by: katie navrides and krista tasabia
TRANSCRIPT
Video Conferencing Video Conferencing Video Conferencing Video Conferencing
By: Katie Navrides and Krista By: Katie Navrides and Krista Tasabia Tasabia
What is it• According to wikipeida, “A
videoconference (also known as a videoteleconference) is a set of interactive telecommunication technologies which allow two or more locations to interact via two-way video and audio transmissions simultaneously”.
History• Started in 1968 • Used to be two closed circuit televisions
connected via cable• NASA used this technique during the first
manned spaceships• It was too expensive• 1970’s picture phone• 1980’s digital telephony transmission networks • 1990’s standard based technology • 1992 Tim Dorcey CU-SeeMee
What is needed • Video input : video camera or webcam• Video output: computer monitor,
television or projector• Audio input: microphones • Audio output: usually loudspeakers
associated with the display device or telephone
• Data transfer: analog or digital telephone network, LAN or Internet
Two Types• Dedicated systems• Desktop systems
Advantages• Access• Cost• Deaf and hard of hearing
Disadvantages• Eye contact• Delayed• Echo
Education• Technology• Remote places • Pen pals• Virtual field trips
Resources for future learning
• http://www.ivisit.com/ (video conferencing, voice calls, instant messaging, and file sharing)
• http://download.camfrog.com/ (Free webcam chat rooms)
• http://www.eyeballchat.com/ (video chat)
Application to future teaching
• http://www.kn.pacbell.com/wired/vidconf/adventures.html (list of virtual field trips)
• http://www.ideasdirectory.com/index.cfm (distant learning)
• http://k-12.pisd.edu/distance_learning/electric-lit.htm (language arts)
• http://www.kn.att.com/wired/pubs/ISDN/ (information about video conferencing)
• http://www.netc.org/digitalbridges/teachersguide/toc.html (teachers guide to video conferencing distance education)