The real time, & usually two way, transmission of digitized video images between two or more locations; requires a wideband transmission facility, for which satellite communications has become a popular choice; transmitted images may be freeze frame (where a television screen is repainted) every few seconds or full motion; bandwidth requirements for 2 way video conferencing ranges from 56 Kbits/s (freeze frame) to T1 rated (1.544 Mbits/s)
See Full motion video, videoconferencing.
This is where both video and voice are transmitted and received from two separate locations at the same time through the use of phone lines, cameras and monitors.
(l) Two-way voice and video comer between two or more groups, or three or more individuals, who are in separate locations linked by a telecommunications medium; (2) Two-way group communication by voice and a telecommunications medium. Includes full-motion and compressed video systems that are fully interactive or provide two-way voice and one-way video.
A remote “face-to-face chat,” when two or more people using a web cam and an Internet telephone connection chat online. The web cam enables both live voice and video.
A teleconference including two way video. The use of digital video transmission systems to communicate between sites using video and voice. Digital video transmission systems typically consist of camera, codec, network access equipment, video and audio system
transporting real-time voice and video over telecommunications services.- W,X,Y,Z
