Procedure of video tele-conferencing
Briefly illustrate the procedure of video tele-conferencing?
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When a conference is conducted between two or more members at various locations by using computer networks to transmit video and audio data, then it is termed as video conferencing. A video conference is a technology which allows a set of interactive telecommunication technologies that allow two or more places to interact through two way audio and video transmissions concurrently. It has also been termed as visual collaboration and is a type of groupware.
Digital compression of video and audio streams in real time is the central technology behind video conferencing. Codec is the software or hardware which executes compression. Compression rates of upto 1:500 can be accomplished. The resulting digital stream of 1s and 0s is subdivided into labeled packets, that are then transmitted via a digital network generally IP or ISDN.
The other components compulsory for a VTC system comprises video output and input, audio output and input, data transfer, as on.
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