| This article will provide you a brief introduction | | | | used by T1, ATM and ISDN lines. These all |
| about what actually video conferencing is. By | | | | process were very costly for video conferencing. |
| video conferecing we can connect with some | | | | Since internet is very cheap and it is a very good |
| other identity and also can see the video online in | | | | medium for video conferencing. The TCP/IP |
| real time. It is now useful and very interesting | | | | connections of the Internet are much less |
| technology and widly used worldwide.What is | | | | expensive and can carry large quantities of |
| Video Conferencing: Video conferencing is the | | | | information for video conferencing, including video |
| integration of video, audio and peripherals to | | | | packets for conferencing, relatively easily. Because |
| enable two or more people to communicate | | | | of this, video conferencing has become much |
| simultaneously over some type of | | | | more prevalent in small businesses and in desktop |
| telecommunications lines. By video conferencing | | | | packages that can be set up with software for |
| you are transmitting synchronized images and | | | | computer-to-computer networking.The problem |
| verbal communications between two or more | | | | faced was in video conferencing was that when |
| locations in lieu of them being in the same | | | | we convert analog to digital for transmission then |
| room.Video conferencing ingredients: The main | | | | it is the loss in clarity of image. The most |
| ingredients of successful video conferencing are | | | | important factor in video conferencing is the |
| video cameras, microphones, appropriate | | | | compression ratio. The higher the compression |
| computer software and computer equipment and | | | | ratio, the more quickly the information is capable |
| peripherals that will integrate with the transmission | | | | of being transmitted. In many cases, however, |
| lines to relay the information.How video | | | | this also means some loss in clarity or audio/video |
| conferencing works: The analog information | | | | quality.Advantages of video conferencing: Using |
| recorded by the microphones and cameras is | | | | video conferencing you can communicate with |
| broken down into discreet units, translating it to | | | | whole groups of people at once either through |
| ones and zeros. A Codec encodes the information | | | | networking a group of computers or by form of |
| to a digital signal that can then be transmitted to | | | | broadcast. This is a huge step forward for both |
| a codec at the other end, which will retranslate | | | | companies and for schools. video conferencing is |
| these digital signals back into analog video images | | | | very useful for students in their studies. Students |
| and audio sounds.In the earlier days, video | | | | can enjoy learning this way much more than from |
| conferencing was very much expensive than | | | | a textbook. |
| today. Some time back video conferencing was | | | | |