Seminar on Video Conferencing Department of Computer science and Engineering VRSEC.

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Presentation transcript:

Seminar on Video Conferencing Department of Computer science and Engineering VRSEC

Video conferencing Index : Introduction Types Technology Requirements Connection Advantages Conclusion

Video conferencing What is Video conferencing ? Conducting Conference between two or more participants at different sites by using computer networks to transmit audio and video data is called Video conferencing.

Video Conferencing Types of Video Conferencing  Point -To-Point  Multipoint

Video Conferencing Point-To-Point:  Basic Video Conferencing  Connects by IP address  Works as video phone

Video Conferencing Multipoint:  Reflector, Multipoint Connector unit(MCU) are used  Addition to PC, Room systems and Roll-about systems are used

Video Conferencing Room system :  Large Conference  Several cameras and microphones Roll-about system:  Cart  Cameras, micro phones and codec as one unit  Small groups of people

Video conferencing Technology:  Core technology used in Video Tele Conference  Compression of data  Compression rate is 1:500  Resulting digital stream of 1’s and 0’s into packets and transmitted to digital network of same kind of IP

Video Conferencing Requirements:  Video Input: video camera or webcam  Video output: Computer monitor, television or projector  Audio Input: Micro phones  Audio Output: Usually Loud speakers with Display device  Data Transfer : Analog or digital Telephone network, LAN or Internet

Video Conferencing Connection:  No Transmission for different transmission methods  Two protocols  H.320-ISDN(phones)  H.323-IP(Internet) lines  Band Width  Connected using IP address

Video Conferencing

Benefits :  Spontaneity  Sense of presence  Mobility  Video Quality  Encourages casual Interaction  Interactive with all sites  Costs lower than satellite Broadcasting

Video Conferencing Conclusion:  soaring cost of fuel, travel restrictions, and the need to improve communications response times will drive video conferencing worldwide  The videophone from the future is not a video phone at all, it is your desktop PC and good conferencing software

Thank you

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