Home monitoring network camera and wireless HD how to solve problems

Home monitoring network camera and wireless HD how to solve problems
Plagued by civil security market there are many factors in addition to price factors, the large part of the reason lies in its market applications: high definition and wireless when it can achieve? High-definition monitor environment, whether civilian market popularity of high definition still a debatable topic, But fundamentally speaking, the civilian market is high-definition HD Popular important step in chess; while wireless technology monitoring and network monitoring with zero embodies the advantages of cabling.
HD low bandwidth monitoring - image codec
HD IP Camera surveillance to resolve family way can come in handy. Firstly, or to network monitoring point of view, the codec can do to further upgrade. In the field of video surveillance is more mature as H.264 or MPEG-4 codec, on this basis, a number of security vendors to image compression standard for the development of the source code using H.264High Profile DSP chip.
Home monitoring network camera and wireless HD how to solve problems
H.264High Profile and what advantages does? H.264 codec with the ordinary compared to the upgraded technology can be implemented in 2M ~ 4M network bandwidth conditions, reach 1080p/30 frame imaging results; under normal usage under the terms, H.264HP compression standard can be reduced by 30% of the bandwidth, due to the use of fields and industries distinction is possible to achieve 50% reduction in bandwidth.
H.264HP compression standard would be more suitable wireless network, the wireless network bandwidth is low, so in order to achieve high-definition home monitoring system effects, in theory, is a very viable option. In addition, to the wireless network environment to achieve high-definition monitor, for data loss problems must also be addressed.
5% packet loss had no effect on the video image?
For wireless networks, stability is the test of its network monitoring transmission medium as a major problem. Not to mention video surveillance, is also in the daily internet there may be less than the local wireless network coverage, or signal weak, the data packet loss natural that.
For some companies have introduced anti-loss technique, in fact, not entirely without packet loss, packet loss in the range of 5% does not affect the image quality. In front of high-definition IP Camera, embed the technology can do adaptive packet drop policy, IPC real-time monitoring network status, with HTTP functionality. Simple to understand, like everyone QQ online transfer files, once the network unusual or unexpected termination of resend the file can retain the original schedule, while receiving the full range of past data.
Video surveillance storage
For home monitoring, in addition to solve the above two issues, data transfer and storage is a major problem. If a DVR as a data storage device, the cost will inevitably increase, and will face the wiring process. Small advice, wish to purchase specially adapted for civilian use, home monitoring devices, wireless capabilities in support of the premise, the camera can also be achieved 1080p or 720p standard; in storage, either through software platform storage to your computer, but also can be built SD card, real-time monitoring for, 720p image generates about a month 30G, and now the SD card is also fully meet demand video storage a month.
Anyway, in high-definition video compression codec, not only is the bandwidth is reduced, the same token, the back-end storage devices for pressure is also reduced. High-quality compression reduces data redundancy of storage space, the most valuable information is extracted to achieve intelligent storage is the ideal realm.
In summary, the monitoring of civil or other fields, the high-definition to be coexist and wireless technology, the problem seems to be that we must first solve the problem. Especially in the wireless monitoring technology, the low bandwidth of security companies can not solve the problem, but the only thing to do is how low bandwidth and unstable factors to achieve high image storage and transmission.
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