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Car DVR Digital Video Recorder
Jun 12, 2017

Car DVR Digital video recorder

Dvr, full name Digital Video Recorder (DVR), that is, digital video recorders, compared to the traditional analog video recorders, using hard disk video, it is often referred to as hard disk recorders, also known as DVR. It is a set of computer systems for image storage processing, with a long time recording, recording, remote monitoring and control functions, DVR collection of video recorders, screen splitters, PTZ lens control, alarm control, network transmission And other five functions in one, with a device can replace the analog monitoring system a lot of equipment functions, but also gradually take advantage of the price.

DVR uses digital recording technology, in image processing, image storage, retrieval, backup, and network transmission, remote control and so is far better than analog monitoring equipment, DVR represents the development of television monitoring system, is the market TV Monitoring system of choice for products. Generally divided into: hard disk recorders, PC-based hard disk recorders and embedded hard disk recorders and so on. [1] 

Mainstream technical editor

Popular products on the market are PC platform DVR and embedded DVR, embedded DVR in the stability, reliability, ease of use and other aspects of "professional" advantage, embedded DVR will gradually occupy the PC platform DVR market. PC platform DVR in versatility, scalability has an advantage in the network video surveillance system can still afford to manage the role of the host, still has its own market share. [2] 

Due to price, performance and other reasons, DVR products in the domestic market, including Taiwan, including the Greater China region and South Korea's products dominate the mainland enterprises have "Made in China" advantage, but technically almost entirely dependent Foreign technology development, not master the core chip and embedded motherboard development of key technologies, enterprise technology innovation ability is poor, Taiwan and neighboring countries in South Korea in this area is stronger than the mainland enterprises.

There have been many companies abroad to invest in the development of multi-channel MPEG-II, MPEG-4 compression chip, and wavelet image compression chip, the emergence and application of new compression chip, will enable digital network video surveillance to a new era.

At the same time as the capacity of storage devices continue to increase, the price continues to decrease, the development of new storage technology, the camera's all-digital, high-definition continuous improvement, high-quality image standard products will be put into the market, a digital network video surveillance The new favorite

In addition, enterprises in the process of developing new products should also pay attention to through the industry associations to establish a unified standard so that different enterprises can achieve real data sharing through the network, and should be as much as possible with the building intelligent system in other subsystems to achieve seamless connectivity, To achieve the unified management of building systems and control from the star network Ruijie.