The Application of DVR in CCTV Sytem
VCR equipment is an integral part of the CCTV system Eagles Womens Jersey , because it can monitor the site's screen in real time, make a true record, and in the post-mortem retrieval verification, it can provide important clues and evidence for the detection of cases. With the development of digital compression technology and LSI technology, Digital Video Recorder (DVR) has got rapid development in the cctv camera manufacturer, there are a large number of DVR domestic manufacturers having the ability of self-development or production Black Eagles Jersey , and the structures or the approaches of each DVR are not the same.

The Development of Digital Video Recorder
The rapid development of the digital video recorder mainly depends on its simple mechanical structure and the use of high-precision package large capacity hard disk as the recording equipment, and therefore, as long as the image acquisition card is inserted into the computer expansion slot, and matched with the corresponding monitoring system software and application software, and all the features of the traditional tape recorders are achieved. Especially the subsequent embedded mobile digital video recorder has a more compact structure, more stable performance. From the aspects of core chip Eagles Jersey Sale , some are based on a digital signal processor (DSP), and the other are based on application specific integrated circuit (ASIC), which based on DSP the structure is divided into different series, they are different for the different selection of the DSP from various manufacturers; form the aspect of handle video from DVR technology (video compression format), is based on Wavelet, M-JPEG Cheap Eagles Jersey , MPEG-1, MPEG-2 , MPEG-4, H.263, H.264 and other video compression format of a variety of different models.

The Different Type of Digital Video Recorder
The earliest DVR is the type of PC card, and the video capture card consists of the acquisition of the video signal Eagles Isaac Seumalo Jersey , digital video compression processing and video buffer sections. with the upgrade of the core chip of CPU and memory, core clock speed and processing power of the computer have been continually improved, thus based on the single-card DVR, multi-card and multi-channel DVR is invented. As each piece of card corresponds to only 1 channel signal, and thus the number of acquisition card can be flexibly configured according to the requirements of the video signal ones. However, when several cards are inserted in the PC Eagles Jordan Hicks Jersey , the PC resources occupied are incread, such as CPU and memory resources, the number of expansion slots on the motherboard, the motherboard Power and so on. Therefore, when the number of camera source (ie, the number of capture card) is more Eagles Nelson Agholor Jersey , DVR must adopt a multi-slot IPC and with a large power supply, and the requirements on the CPU clock speed are also higher.

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If you are a parent, as am I, I think we can agree there is little else more important than keeping our children safe and protected. It's difficult enough keeping them safe from the unscrupulous people we read about in the news, but dealing with children and the Internet takes it to a completely new level.

Many young people find instant messaging and e-mail a convenient and fun way to talk with their friends. If you have children, like me Eagles Mack Hollins Jersey , when they're not on the phone, they're talking with their friends on the Internet. We have very strict rules and guidelines about who they can talk with and for how long. We have given them detailed instructions on what to do when they receive e-mail from someone they don't know or receive an anonymous instant message.

Recently, someone close to me received a death threat via an anonymous instant message. The language this person used was so vulgar and explicit you would have thought it came from a prison inmate. Interestingly enough, the person at the other end was a child.

After significant investigation we determined this person was a school mate. They had received detailed information about the child including the child's instant messenger alias, their home address and color, and what type of cars the family drove. Can you imagine how scared this child and child's family was? Quite frankly Eagles Donnel Pumphrey Jersey , it was not only sad but sickening that another child could be so verbally brutal. Additional investigation revealed that the school these children go to were aware that this had been going on for quite some time. Other children had been receiving similar threats.

This particular event was all the result of several children speaking in a chat roam and one child in particular got upset about something that was said. That child contacted another child, who is known to be mean, and asked them to scare one of the other children. We got to the bottom of the whole mess and everyone felt a bit of relief.

It's very important to pay attention and, in some cases, monitor what children are doing on the Internet. It's for their protection and the protection of others. I'm sure I am going to get an ear full from privacy rights advocates on this one. Regardless, the safety of our children is one of the most important tasks a parent has.

If your children use e-mail and Instant Messaging on a regular basis you should;

1) Limit the number of people they can e-mail and message with;

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