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Application analysis on the PC-NVR and NVR by guard summer
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Application analysis on the PC-NVR and NVR |
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Electronics,Science & Technology,Business
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From the outside,the volume of NVR is much smaller than PC-NVR . In terms of performance , NVR 's soc runs typically have one or more for video compression and decompression, or other dsp image processing functions . On the other hand , based on the PC-NVR use cpu directly for video compression and decompression, viewing and recording content, and manage surveillance cameras, both image processing is very different . In cpu processor, used standalone NVR arm architecture ,PC-NVR use more powerful commercial x86 architecture , the processing power and speed differ. And also chose two different operating systems , the former is based on the embedded linux operating system, the latter is the windows operating system can support up to 32 video inputs and HDMI output . From the current situation, use security market , independent NVR more applicable to a plan of monitoring systems, the number of surveillance cameras can be controlled ;PC style NVR can handle more powerful database and image management , as opposed to NVR speaking, new storage scalability , flexibility and other advantages . In addition, PC-based systems also provides more surveillance cameras scalability, and independent NVR surveillance cameras are often subject to quantitative restrictions . Of course, independent NVR also has certain advantages, the first of its cheaper, slightly better reliability and stability . From the internal structure point of view , and its relatively confined space using fewer components , cost increase ; linux system more stable , as an independent operating system, its start-up time is shorter than the PC-NVR . Separate NVR been more and more security engineering and users affirmed its best solution is to provide SMEs with video data storage needs. In this way, SMEs can monitor the project from smaller save a lot of costs. Some NVR function not only stay in the traditional control on , for example, they no longer need POE switch , further reducing the customer's hardware investment costs. The PC-NVR will require significant investment , such as video analysis software , the two architectures are different, so the required equipment is also somewhat different . PC-based and independent NVR style between the choice depends on the end user. Although more customers are familiar with PC-NVR -based mode of operation , and the future there will be more people choose standalone NVR, because they have a higher price. Future trends for storage applications , stand-alone NVR also optimized , although some manufacturers already provide more than 100 channels of connection , but 64 video interface is still the best solution. The future , more and more independent monitoring applications will NVR direction compatible . Of course, the user selects the channel number is not the only considerations for special applications , PC-NVR be able to handle it better. Under normal circumstances, based on PC-NVR deploy large-scale projects , such as corporate , government and mission-critical applications , they can also be deployed in high-end residential or small-scale enterprises, to meet the more complex security requirements.
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NVR, PC-NVR, surveillance camera,
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