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Pacific Security Network News ]
There are three reasons for the difference between digital matrix and analog matrix. The development of video matrix technology is very mature. Matrices can be conceptually divided into digital matrices and analog matrices. Many people are not very clear about their differences and their respective characteristics, or even confuse them. In fact, the analog matrix and the digital matrix have many differences, whether it is in the principle of work or the final effect. But it is really better to compare the two. It can only be said that the digital matrix is ​​definitely the future development trend, but the analog matrix is ​​not nothing. After all, there have been many years of development. Let's take a look at these two matrices in some ways.
The difference between digital matrix and analog matrix
The digital matrix can input both analog and digital signals, while the analog matrix can only input analog signals (such as signals captured by a camera). The so-called analog signal is a signal that simulates changes in information (such as sound information, image information, etc.); while the digital signal is different, it is a sampled, quantized, and encoded signal to form a digital signal (also called a pulse signal). .
The difference between the digital matrix and the analog matrix
Because the two matrices work differently, it also determines that they will ultimately have different effects on video signal restoration. From the signal point of view, the phenomenon of attenuation, instability, and unrealistic restoration caused by interference during transmission may occur and is not easy to handle. But if you are transmitting a series of digital pulse signals, it is different. Not only is it easy to handle, but the final restoration of audio or video effects is also more realistic.
The difference between the digital matrix and the analog matrix is ​​three. The output method is different.
The digital matrix can output both analog signals and digital signals, and can be directly connected to the video wall display. However, the analog matrix can only output analog signals, and a VGA converter or VGA matrix can be connected in the middle to connect the VGA LCD screen. The audio module needs to be added to the audio output. In addition, the analog matrix also adds additional audio processing equipment, but the digital matrix is ​​not needed, so it is more convenient.
The difference between analog matrices and numbers is not limited to this, there are many, these are common. Inappropriate summary of the digital matrix relative to the analog matrix is ​​more clear, more expensive! Shanghai Jincan Electronics also independently develops and produces digital matrix (mainly HDMI matrix, DVI matrix, SDI matrix, etc.) and analog matrix (mainly VGA matrix, RGB matrix, etc.), according to your needs, our engineers will help you pick To the right product, you are welcome to consult!
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