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Comparison of IP Network Intercom System and Analog Intercom System

October 24, 2022
The development of intercom technology in the direction of digitalization not only needs to break through the bottleneck of technology, but also breaks through the bottleneck of its development. In the process of product promotion, it is necessary for the engineering company to approve this product and understand what value-added effect this system can bring to the user. So, where is the difference between IP network Intercom System and Analog Intercom System?
First, the lack of analog intercom system
At present, analog intercom systems use analog technology to transmit audio and video signals, and generally use bus technology to transmit signals over a common line. This technical system has the following major problems:
1, anti-interference ability is poor, due to interference, often there is no signal or image, sound is not clear and so on;
2. The transmission distance is limited, the analog signal is easily attenuated and distorted, and the amplifier must be added when the distance is long. It does not mean that the networking cost will increase and the signal's reducibility cannot be ensured.
3, using bus technology is particularly busy, because the same bus only allows two calls;
4, single function, in addition to supporting simple information publishing functions, mainly limited to call, unlock and other functions, equipment utilization rate is low;
5, due to technical reasons, product upgrades or expansion have greater limitations;
6, the lack of industry standards, and other weak electronic system integration is difficult;
7, a large amount of wiring works, high service costs, can not be integrated into the integrated network.
Second, the advantages of IP network intercom system
The IP network intercom system fully adopts TCP/IP technology and combines the latest digital audio and video compression technology, DSP technology, streaming media and network transmission technology. Its main advantages are as follows:
1, the wiring is simple. Compared with the analog Video Intercom System for bus transmission, the IP network intercom system is much more convenient in terms of wiring and installation and debugging. A single network cable can solve all problems, greatly simplifying the wiring project, making installation and commissioning easier and shortening the construction period.
2, networking powerful. When all signals are digitized, it is easy to meet networking requirements.
3, scalability, powerful. IP networking is highly scalable.
4, long transmission distance. The IP network intercom system based on the TCP/IP method has no distance limitation and can realize low-cost long-distance transmission.
5. The overall cost is low. For a long time, people have a fixed concept in their hearts: “New technology means high prices, and new products must be more expensive than traditional products.” So, as the leading IP network intercom system, Must be more expensive and more expensive than a traditional analog intercom system? In fact, from the point of view of installation, commissioning, and wiring, the use of TCP/IP transmission methods requires a small investment. At the same time, the construction period is shortened, personnel expenses are saved, wire and labor costs are reduced, value-added services can be brought, and maintenance is easy.
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