The remote professional audio and video system conference not only reduces the pollution to the environment, but also greatly improves the work efficiency. The remote video conference can not be separated from the network support. The network allows us to understand the world without going out, and the network is smooth. It is also a major condition for ensuring the normal operation of remote video conferences.
According to the survey results, humans feel that the amount of information acquired is about 70% of the information. In all communication projects on the market, only remote video information is the only condition for obtaining intuitive information. Therefore, video conferencing continues to diversify as demand increases, but the network plays a decisive role in audio and video system conferences. Therefore, for this situation, we will introduce several network access methods.
1. Audio and video system conference based on IP network system
These are the best choices for IP-based networks in professional audio and video systems for small and medium-sized users and individual users with sufficient network bandwidth.
The IP network is a so-called broadband network. Since the access method of such a network is simple and inexpensive, and the price is low, the range currently used is relatively common. In the audio and video conference, the network group is based on a variety of transmission media, usually using the TCP/IP protocol as the communication protocol. Because of the router networking, it mainly implements the routing and exchange transmission of IP data packets.
In order to better solve the service quality of real-time communication in the IP network, protocols such as UDP/IP, RTP, RTCP, and RSVP are generally adopted. At present, broadband IP networks such as ADSL and FTTB+LAN, which are used in audio and video systems, have achieved good results. However, since the principles of such packet-based IP networks are generally based on the principle of maximum delivery, the use of such networks for audio and video system conference access methods is often inferior to ISDN, DDN, and other dedicated lines. However, due to the good price, it is still favored by many users.
2. Audio and video system conferences use ATM networks
In a professional audio and video system conference, if you have a line with high quality requirements, you can recommend ATM network. ATM is also an asynchronous transfer mode. This mode network not only combines the advantages of circuit switching and packet switching, but also transmits wideband signals at any rate, which can effectively transmit voice, data, image and video services. Since the cost of using the ATM network equipment is relatively high, it is necessary to have a dedicated ATM network access at this time, and the user needs to perform reasonable control according to his own conditions to avoid unnecessary waste of funds.
To sum up, it is to introduce the access mode of the conference network of audio and video systems. When doing video conference network access, you should choose different network access according to your own needs.
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