What are the technical requirements for high-definition video conferencing?

High-definition video conferencing requires that all terminals are HD-compliant devices so that all participants in the video conference can enjoy high-definition video. All terminals must support high-definition data compression. In addition, broadband is an indispensable factor for high-quality video conferencing. High-definition interactive video conferencing requires the lowest data rate of 1 Mbit/s. For best results, it is recommended that the data transfer rate be at or above 2 Mbit/s, by increasing the bandwidth, obtaining the best audio effects, and additional content sharing devices such as PC input, DVD, or high-resolution text camera devices. Network QoS is also a must, it can guarantee the stability of the video conference during the period.

In order to obtain high-resolution images, you need to configure the 16:9 standard to support real HD (720p) cameras. The camera and video conferencing terminal equipment are best from the same manufacturer. This ensures that the functions of the camera and the terminal device are optimized to achieve the best end-to-end HD video conferencing experience.

High-definition video displays (liquid crystals, plasma or projectors) must support a horizontal resolution of at least 720p. In addition, the monitor should be equipped with an interface that supports the best HD signals, such as a DVI-I digital interface or component input interface. A DVI cable exceeding 5 meters may cause picture quality degradation or unpredictable video display errors. Buying high-quality HD monitors and terminal devices can avoid such problems.

The appropriate monitor is selected, and it needs to match the size of the room and the average distance of the participants from the screen. In a large conference room, participants are 3 to 5 meters away from the screen. In this case, it is advisable to purchase a monitor with at least 50 inches.

In a high-resolution multi-point video conference, at least two groups of participants want to participate in a conference from different locations (terminals). In this case, a high-definition MCU is required to bridge all calls. Of course, the MCU must support true high-definition (at least 720p) and maintain 30 frames per second, so that multi-point video calls can reach point-to-point calls. We recommend purchasing MCUs and video conferencing end equipment from the same manufacturer to ensure optimal end-to-end performance. Finally, the MCU must be a standardized (H.264) product in order to achieve interoperability and scalability to meet as many multipoint calls as possible.

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