Now China’s security electronics industry scale (excluding engineering and services) has rapidly expanded from RMB 27.63 billion in 2005 to RMB 14.30 billion in 2012, an average annual increase of over 20%, and it still maintains a strong growth momentum. Huge market potential.

Security technology is based on video processing, and extends with intelligent analysis technology. It depends on the shocking power of video recording and foresight of intelligent early warning to effectively crack down on various crimes and make great contributions to social stability. Video compression as a core technology has also been developing rapidly over many years of practice.

The development status of China's chip industry For many years, the chip has been restricting the development of China's electronics industry. To overcome this bottleneck, many generations have made unremitting efforts to get rid of the constraints of the "chips of the ocean." After more than 30 years of hard work, the Chinese people finally saw the dawn of the national chip industry. According to statistics, there are as many as 1,188 chip companies registered in "China Manufacturing Network." The growth rate of Chinese chip companies is also alarming. Once in a day, four new chip companies were registered. It can be said that China has launched a "chip business boom." According to statistics, there are nearly 1,000 "chip design" companies that specially design chips and employ about 20 to 50 people.

At present, China's IC industry has developed rapidly. During the “Eleventh Five-Year Plan” period, China’s integrated circuit production increased from 26.11 billion to 65.3 billion, with an average annual growth rate of 20.1%. Sales revenue increased from 70.21 billion yuan to 144.02 billion yuan, an average annual growth rate of 15.4%. Among them, the chip manufacturing industry grew from 23.29 billion yuan to 44.71 billion yuan, an average annual growth rate of 14%. Ms. Wang Qinsheng, director of IC Design Branch of China Semiconductor Industry Association, pointed out that from the perspective of the design industry, it is divided into three industrial bases in the Yangtze River Delta, the Pearl River Delta, and the Beijing-Tianjin region, and each has its own strengths. Among them, the Yangtze River Delta region is the region with the most abundant and complete production chain, and has been developing rapidly in the past two years. The Pearl River Delta region is the frontier of applications and markets, and is the region where Chinese industries are in line with international standards. The advantages of the Beijing-Tianjin region are: Many scientific research talents and strong design capabilities. At present, Pudong has become the main force of the chip industry in mainland China. The leap-forward development of Pudong's chip industry has increased the manufacturing level of Chinese chips and enabled domestic related industries to initially have the ability to compete with other companies in the world.

Regarding the development prospects of China's chip industry, the “Decision to Accelerate the Cultivation and Development of Strategic Emerging Industries” announced by the State Council at the end of last year clearly defined the chip industry as a core basic industry. This year marks the beginning of the implementation of the national "Twelfth Five-Year Plan". How to insist on the application of the whole machine as the traction, and take the market as the guide, focuses on promoting technological innovation, mastering core technologies, developing superior products, forming innovative features, and adjusting product structure, Cultivating and forming enterprises with international competitiveness and realizing the rapid development of industrial groups has become the direction of future development of the chip industry.

The chip industry's health growth challenge Although the current security chip market is developing rapidly and the outlook is optimistic, it also faces many development challenges.

The first is how the speed of the chip can quickly follow the development of products and industries. Current security product roadmap trends are generally determined by security chips. Chips are not released and corresponding products are basically not released. However, from the perspective of the current security industry, the security chip update cycle is generally a little more than a year. This has caused the demand to wait for the chip situation. How can the development of the chip match the development of the demand and bring a lot of pressure on the chip company, because this means that the labor cost is increased by several times and the market replacement is too frequent. It will also bring about a waste of output value.

On the other hand, the security industry's subdivision of demand is becoming more and more obvious. The situation that a previous chip can be used on most products is difficult to meet user needs. How to subdivide the chip to meet the needs of users is also a problem.

The second is how to guide the healthy growth of the industry chain. Due to the particularity and criticality of security chips, the market behavior of security chip manufacturers can easily affect the development of the security industry. How to protect the market while expanding the market is a need for chip companies to consider. The cost control of the chip is also a challenge. At present, the number of major manufacturers of security chips is small, but there is great pressure to compete with each other. In addition, the pressure from terminal manufacturers due to the decline in the overall profits of the security industry, the cost of intellectual property is also a Great expenses. With the demand for energy-saving, environmental protection and low power consumption, relevant environmental protection agencies are increasingly demanding the power consumption of security products, and they are also one of the major indicators affecting product exports. Contradictory to this is that performance improvement is often based on increased energy consumption.

Future development roads If domestic manufacturers want to take a leading position in the security market, they must form an integrated solution from the perspective of industrialization. On the one hand, they should make efforts on the technical level and development environment of hardware and software in domestic chip manufacturers. On the other hand, countries need to develop standards that have independent intellectual property rights and apply to the security industry. In terms of standards, the SVAC standard has been drafted and released in the country, namely, "Technical Requirements for Security Audio Video Surveillance Digital Audio Video Coding and Decoding". The English name is SurveillanceVideoandAudioCoding. This standard is a national standard established by the National Standardization Administration Committee and is a video surveillance system. Basic standards. The purpose of the SVAC standard is to establish advanced audio and video codec standards and security systems that meet the needs of video surveillance, and to improve the interconnection between alarm monitoring systems. Interoperability, interoperability and the safe, effective and integrated use of information.

Since the SVAC standard has fully considered the needs of security at the beginning of writing, SVC (Scalable Video Coding) technology is fully supported. The technology encodes video signals in a layered manner, divides them in time, space, and quality, and outputs multi-layer code streams (including a base layer and an enhancement layer). The base layer data can completely completely decode the decoder. Basic video content, but the video image obtained from the base layer data may have a low frame rate and a low resolution. Or the problem of lower quality. When the channel is limited or the channel environment is complex, it can ensure that the decoder can receive the smooth video images that can be viewed. When the channel environment is good or the channel resources are abundant, the enhancement layer data can be transmitted to improve the frame rate. Resolution, or video quality. The enhancement layer can be multi-layered, which means that the greater the code rate received within the total bit rate of the video code stream, the better the video quality. Compared with the original video coding standard, once encoded video stream is fixed, for different terminal applications, the same content does not need to be encoded multiple times, scalable video coding effectively solves the previous coding standard output stream is not Flexibility, one coding can adapt to many different channels, this scalable coding feature can effectively reduce the pressure of network transmission and storage.

Take storage as an example. At the beginning of the video saving, you can save the complete encoding information. With time, you can quickly process the video and reduce the resolution of the video stream to save storage space. This is an extension of the H264 standard. Although there are also mentioned in the article, but there is no large-scale promotion in practical applications, and the SVAC standard as a unique standard for the security industry, is expected to promote the popularization of the technical characteristics, to play its unique advantages. In addition, the SVAC standard began work on coding hardware in the beginning, which means that the technology will be able to quickly promote and use the product.

In addition, the Ministry of Public Security Safe City Standard - GB28181 is also in full swing in the deployment, GB28181 standard specifies the city monitoring and alarming networking system information transmission, exchange, control of the interconnection structure, communication protocol structure, transmission, exchange, control of the basic requirements and Security requirements, technical requirements such as control, transmission processes, and protocol interfaces are applicable to the design, system testing, and acceptance of security monitoring and alarming networking systems and related equipment R&D/production. Other information systems can also be used as reference. The standard is expected to change the problems of mutual incompatibility among companies in the security industry in the past, achieve interconnection of devices, and effectively reduce the cost of duplicate construction. The combination of the SVAC video coding standard and the GB28181 standard will effectively fill the gaps in the market and provide an important guiding role for the development of security chips.