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Encyclopedia > Video conferencing

A videoconference (also known as a video teleconference) is a meeting among persons where both telephony and closed circuit television technologies are utilized simultaneously. Video teleconference communication is multi-way and synchronous, as it would be if all parties were in the same room. A telephone handset A touch-tone telephone dial Telephone The telephone or phone (Greek: tele = far away and phone = voice) is a telecommunications device that transmits speech by means of electric signals. ... Closed-circuit cameras are often used to discourage crime Closed-circuit television (CCTV), as a collection surveillance cameras doing video surveillance, is the use of television cameras for surveillance. ...



A video camera can be classified two ways: Professional video cameras, such as those used in television production Camcorders used by amateurs This is a disambiguation page — a navigational aid which lists other pages that might otherwise share the same title. ... A web camera (or webcam) is a real time camera whose images can be accessed using the World Wide Web, instant messaging, or a PC video calling application. ... Nineteen inch (48 cm) CRT computer monitor A computer display, monitor or screen is a computer peripheral device capable of showing still or moving images generated by a computer and processed by a graphics card. ...


Videoconferencing first demonstrated in 1968
Videoconferencing first demonstrated in 1968

The major expense in establishing a video conferencing system is in the video technology, which requires a video camera, video display, and a fast data connection. Because of these requirements, video conferencing has been quite expensive until recently. On_Line_System_Videoconferencing_FJCC_1968 www. ... On_Line_System_Videoconferencing_FJCC_1968 www. ...

In recent years, IP (internet protocol) based video conferencing has been overtaking traditional ISDN-based systems. Internet video conferencing has the advantage that it is accessible to anyone with an internet connection and a webcam. In addition, it becomes possible to integrate live video with web conferencing, allowing for a much richer multimedia environment for live meetings and presentations. Web conferencing is used to hold group meetings or live presentations over the Internet. ...

Impact on business

Video conferencing can be used as an imperfect substitute for many face-to-face meeting requirements where the cost or time required for physical transportation of parties is undesirable. For instance, interviews with job applicants, business meetings, and lectures can be conducted effectively via video conference.

For business purposes, the current preference is for the use of private or virtual private network connections for video teleconferencing which guarantees better performance and transmission security. Local area network infrastructure provides for high-bandwidth communication suitable to the application of video conferencing technology. A Virtual Private Network, or VPN, is a private communications network usually used within a company, or by several different companies or organizations, communicating over a public network. ...

Impact on the general public

As fast internet connectivity has become widely available and the cost of video capture and display technology has decreased, personal video conferencing systems based on web cam, personal computer and broadband internet connection have become affordable for the general public.

Impact on education

Video Conferencing provides students with the opportunity to learn by participating in a 2-way communication platform. Video conferencing can provide students with information from all over the world. Students from diverse communities and backgrounds can come together to learn about one another. Students are able to explore, communicate, analyze and share information and ideas with one another. Through video conferencing students can visit another part of the world to speak with others, visit a zoo, a museum and so much more. Video Conferencing can enhance any classroom environment and motivate students to learn.

Vendors and Products

Equipment manufacturers

Operating companies and Solution Providers

Access Grid is a collection of resources and technologies that enable large format audio and video based collaborations: The Access Gridâ„¢ is an ensemble of resources including multimedia large-format displays, presentation and interactive environments, and interfaces to Grid middleware and to Visualization environments. ...


The AOL Instant Messenger (AIM) is an ad-supported instant messaging and presence computer program, published by AOL, which uses the OSCAR instant messaging protocol and the TOC protocol. ... GnomeMeeting is an open-source VoIP and video conferencing application for GNOME. It is based on the OpenH323 library and primarily uses the H.323 protocol, although support for SIP is in development. ... The title given to this article is incorrect due to technical limitations. ... This article or section should be merged with Video teleconference A videoconference is a live connection between people in separate locations for the purpose of communication, usually involving audio and often text as well as video. ... SeeNx is an IP-based video conferencing program. ... Note: this article name (or a redirect to it) is a homophone with cession. ... SightSpeed is an Internet video conference software that uses a proprietary artificial intelligence algorithm to remove unimportant information from images. ... Tlen is a generic Polish word for oxygen Tlen is also a free-of-charge Polish instant messenger. ... The Virtual Room Videoconferencing System (VRVS) is an Internet-based videoconferencing system originally develped by CERN and now maintained by Caltech. ... Categories: Computer stubs | Mac OS instant messengers | Windows instant messengers | Yahoo! ...

External links

  • Videoconferencing Atlas
  • ViDe Videoconferencing Cookbook
  • Video Conferencing online resource for learning about video conferencing

  Results from FactBites:
Video conferencing - definition of Video conferencing in Encyclopedia (352 words)
Video conferencing has in the past been relatively expensive, but prices are now coming down considerably, as it is possible for anyone with a fast enough internet connection to operate a video conference.
Because participants in a video conference may be working in different time zones, care must be taken with the organisation.
Video conferencing can also be used within organisations to provide immediate telepresence, using internal LANs as the communications infrastructure.
  More results at FactBites »



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