What are the four elements of building intercom system?

The early intercom video transmission locks of visual buildings were decentralized and enlarged, which were only applicable to low-rise residential areas. In order to meet the needs of modern residential construction and development, new signal transmission methods, such as compression and decompression, must be adopted. When choosing, we might as well start with the signal transmission mode.

2, wire quality

Conductor is very important for signal transmission, and the quality of power supply line can not be guaranteed, which will affect the power supply of the system and thus affect the image quality.

3. Is the power supply sufficient?

The display screen of the video intercom system consumes a lot of power, and it is prone to ripple and Xue Huadian when the power supply is insufficient.

4. Interference size

Interference is hard to avoid completely. Avoid it if you can. Sometimes trying to adopt different video transmission methods will reduce or even completely eliminate the influence of interference.

5. Display quality

The only "source" of the image, the quality of the picture tube should not be too hard, and it is easy to appear unclear, impetuous and gray images.

This camera is of good quality.

The camera is the source of video signal acquisition, and the quality of the camera determines that the first step is low-quality images.

7. Common

With more wire connectors, the impedance force will increase, which will eventually affect the image display.

8, "recycling" aging

Buy the "waste" from the second-hand market, process it a little and put it on the big market. The aged products will be returned again if they are used again.