Video conferencing applications are very wide, from corporate video conferencing, remote monitoring to network teaching are very commonly used, general video conferencing equipment, including hardware equipment and software equipment, hardware video conferencing equipment are:
1, MCU
MultipointControlUnit (Multi-PointControlUnit). PointControlUnit), also known as multimedia conference server (Multi-MediaConferenceServer). More than three venues at the same time to participate in the interactive conference, you must use the MCU for the exchange of video and audio.
2, codec chip (CODEC)
is the core of the video conference department, responsible for professional video and audio capture, compression, decompression. The main role of this venue to capture the image and sound in accordance with a certain format coding, and then through the transmission line to the remote end; at the same time will be the other venue image and sound coding stream in accordance with the agreed format to restore the image can be seen and hear the sound.
3, video conferencing capture card
Different video conferencing needs to use the corresponding video conferencing capture card, such as ordinary video conferencing needs to be streaming media capture card, high-definition video conferencing system needs to use high-definition capture card.
4, specialized terminal equipment
There are usually three types of equipment: conference room type, desktop type, and set-top box type. Conference room type terminal equipment is used for video conferencing in the conference room, according to the size of the conference room is divided into large, medium and small three. The video is displayed on a TV or SVGA monitor. Desktop-type video conferencing terminal equipment is directly on the computer for video conferencing, the camera is also used to configure the lower cost of the PC camera, so usually only one to three people to use. Set-top box type video conference terminal is different from the above two terminals, it is not integrated on the open PC platform. It comes with its own camera, and the device itself does not have an optical drive or floppy drive, and is specialized for video conferencing.
Second, what are the requirements of a good video conferencing hardware equipment
The choice of video conferencing hardware equipment is directly related to the quality of video conferencing, generally good video conferencing hardware equipment required to do the following:
1, cost-effective
Video conferencing equipment is to open the video conferencing use of office equipment, a good video conferencing equipment should have a high Cost-effective, on the basis of meeting the performance, the price is lower better.
2, safe and reliable
Many companies will be involved in the meeting of business secrets, so the video conferencing equipment required to have a high degree of security, there is no risk of leakage.
3, scalable
Traditional video conferencing equipment, the user if you need to add new endpoints, may be limited by the performance and network, good video conferencing equipment should have good scalability, easy to update at any time.