Home monitoring continues to develop and needs to reduce storage costs

Under the strong support of national policies, Safe City, Ping'an Community and other projects have been promoted throughout the country, and the concept of national security has basically taken shape. This has laid a solid foundation for the rapid expansion of the home security market. The home monitoring market demand is mostly networked. High-definition monitoring is the main method, which not only makes it clear but also enables remote monitoring.

Home monitoring faces the trouble of bandwidth network

In January 2009, the Ministry of Industry and Information Technology issued 3G operating licenses for the three major operators, indicating that China’s communications market has entered the 3G era. The three major operators have launched 3G wireless monitoring services and rely on their own 3G wireless networks to seamlessly integrate video surveillance and anti-theft alarms, bringing a new wireless network video surveillance experience to people. The emergence of 3G has undoubtedly brought about an opportunity for the development of home monitoring. However, five years have passed and family monitoring has not yet fully spread.

At present, the main reasons for restricting the development of 3G wireless monitoring and family applications are as follows: 1. The application of 3G in the field of wireless video surveillance has only just begun. There is no one open unified industry standard, and private standards do not have compatibility. Heavy; Second, 3G network stability, coverage rate is the key problem that exists at present; Third, 3G cost makes family users prohibitively.

Although 3G networks have already been covered in some urban hotspots, the number of 3G base stations is not enough, resulting in unstable networks in certain regions; there is no 3G network coverage in second-tier and third-tier cities, economically underdeveloped regions, and rural areas. To a certain extent, it has become a constraint on the development of the home wireless mobile monitoring market. Which can be divided into two reasons: 1, 3G costs relatively high, and 3G network conditions can only see the standard definition (including SD) monitoring video below.

The network monitoring, intelligentization and high-definition of home monitoring are already another height of the self-pursuit of the security industry. But the intelligence of home monitoring is based on the development of network technology and high-definition technology. Low network speed is the bottleneck for the development of home security, but at present, this problem has not yet been solved.

Home monitoring faces the annoyance of big data

Security coincides with the era of big data, video capacity is the representative of the era of big data. Massive video and high-definition images certainly do not make storage a burden. Of course, high-end industries can introduce cloud storage solutions. So how do you solve the storage space at the low-end name level? In addition to the cost of the 3G network, although the price of home monitoring products is gradually declining, the price is still the reason why home monitoring products cannot be covered in large areas. Faced with the huge data brought by high-definition requirements, how to solve this problem can make video surveillance into millions of households?

Currently, the HD picture quality suitable for home monitoring is 720P, and the 720P format video is also called a megapixel class. In theory, the space required for high-definition storage in accordance with the above standards for 30 days is: code stream (in kb/s bit rate/8)*3600 (unit: second)*24 (hours)*30 (days)/0.9 (The disk formatting loss is 10% of space). The theoretical value of the bit rate after 720P video compression is 2M. It is not difficult to figure out that the 720P high-definition surveillance cameras for one-month uninterrupted storage of data are about 0.69TB and 700GB. According to the normal hard disk storage space, it is difficult to meet the storage requirements of multi-channel home HD surveillance cameras. According to the current monitoring compression technology, H. 264highprofile is a relatively efficient compression method, which not only guarantees the quality of the picture, but also reduces the pressure of the network transmission bandwidth. However, there are still some difficulties in the continuous monitoring of two or more lines. At present, the mainstream of home use should be standard definition monitoring. Although high-definition surveillance under big data will face a variety of challenges, it is believed that in the future, as technology advances, high-definition surveillance will occupy more and more markets in home surveillance.

Reducing costs to solve storage space is the way to growth

On the whole, if you want to reduce the overall cost of the monitoring system, you must first solve the storage problem. As far as civilian analog surveillance cameras are concerned, how to reduce the price of PC hard drives is probably difficult for consumers to decide. Is it possible to change the storage device or storage structure? The SSDs that are favored by the industry currently do not have the large capacity available, and the price is even higher than PC hard drives. Even if the storage speed is faster, it may be difficult to cater to the civilian market.

Some homes choose network surveillance cameras, which are non-popular forms of surveillance equipment and are only made for families. This surveillance camera uses SD card storage. This network camera basically achieves 720p image quality and can retain at least 7 days of video recording. Compared with analog surveillance, this type of IP camera has a higher initial investment and is bundled with a home ADSL network, which does not require additional network charges. SD card storage or direct connection to computer storage, from a long-term perspective, the overall cost-effectiveness of the program. However, it is only suitable for single point monitoring.

As a home security monitoring device, the network monitoring device with the alarm is more flexible and more scalable. As a home surveillance burglar alarm integrated device, analog monitoring system hardware costs high. But in general, as a thousand-dollar monitoring and purchasing program, in fact, the hardware cost is not as outrageous as we imagine, how to reduce storage costs is the key.