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Answer: |
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1.
Camera : the CCD camera directly affect the choice of
quality imaging; Traverse circuit board design unreasonable.
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COLOR
may arise, Hot, mosaic, and so with infrared night vision
function of the camera. Infrared light of its
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board work will traverse high temperature circuit board
disruptive, and even burning lights; camera output voltage |
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is too high (commonly known as : Live) will not only burn their
own camera will burn video card. We recommend you |
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to choose the quality of a perfect camera. |
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2.
Acquisition card used by the Video Chipset : different
video image processing chip for the performance capabilities
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are
also different, the common : Conexant Fusion878A, clarity
performed well, the color is less satisfactory
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aspects; Techwell TW6800/6802 have good real-time
performance, clarity and color performance in general; Philips |
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SAA7130/7134 color images and real-time performance Yes, more
balanced overall performance, before a large number |
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of cards used in television, television boxes
and other products. |
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3.
Acquisition Card Design : circuit design and material
selection of quality components will directly affect the
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stability
of the video card, especially for such perennial video
surveillance operation of the equipment that it
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is particularly important, low quality of components to
work a certain period of time, performance will be |
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significantly reduced. For example : capacitance, such as quartz
crystal. |
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4.
host the overall pace of work : In addition to the CPU,
memory, graphics, etc. we are familiar with, Main Board
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also includes the system bus speed, speed
interface slot, the portion of the Working Group chip speed,
Power- |
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mainframe systems, and so on will DVR systems running affected. |
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5.
software design : high efficiency, taking up less
resources mature and stable DVR software design is a long-term
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stable operation of the important guarantee. |
