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)