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

2. Video conferencing Index : Introduction Types Technology Requirements Connection Advantages Conclusion

3. 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.

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

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

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

7. 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

8. 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

9. 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

10. 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

11. Video Conferencing

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

13. 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

14. Thank you