IPC network HD cameras have become a trend. How do you choose IPC network HD cameras? Refer to six points:
1, correctly understand the concept of "high-definition"
HD network cameras refer to surveillance-system cameras based on digital and networked transmission methods. The monitoring and recording resolution must be at least 1280*720 (that is, we often say 720P), which is false high. Or not in HD. The monitoring and recording resolution of the traditional analog surveillance system is limited to the technical limit, and it can only achieve the effect of the resolution of D1 (704*576) at present. Therefore, no matter how many lines the analog camera is, it does not belong to the category of high definition.
2, what kind of resolution HD camera is best
Currently, HD network cameras have resolutions ranging from 100 to 10 million pixels. From the perspective of video surveillance applications, resolutions that are too low or too high will directly affect the normal use of the system, construction costs, bandwidth, and storage. And other pressures. Therefore, the integrated price, clarity and other factors, 2 million pixel CMOS chip high-definition webcam, will have a higher cost, and better meet the actual needs of the majority of users. But the same 2 megapixel camera, its frame rate and resolution will be different, generally 15 frames, 25 frames and 1920 * 1080 and 1600 * 1200 two, the most widely used in the market is 25 frames 1920 * 1080 Most of this category.
3, look at the camera's hardware and software features
In general, a high-performance or cost-effective high-definition network camera, in the face of the diversified needs of market users, requires basic functions such as basic voice monitoring, voice intercom, alarm input and output, and 485 control. Can access POE, WIFI, 3G and other application modules to meet the needs of a variety of application environments. In terms of software, it should have a user-friendly setup, management, and operation platform that is easy to use. At the same time, the functions of the software can meet the application requirements of the general large-scale monitoring system.
4, the actual application effect and configuration
HD network camera manufacturers in order to facilitate customers to understand the performance of their products, generally provide online demonstration or video file download and other services, customers can play the video to see the actual application effect, to conduct a preliminary understanding, and then the most important for the HD network camera itself A number of accessories such as sensors, infrared lamps, lenses, filter switching devices and other consultations, you can in-depth understanding of the relevant performance of the product. Generally high-quality HD network cameras use higher-sensitivity photosensitive chips. Infrared lamps use Taiwan products. Lenses use 2 million or 3 million-pixel high-end lenses and are equipped with automatic filter switching devices to improve the network. Camera monitoring performance.
5, compatible performance
Previously, most of the HD network camera manufacturers were fighting for each other and did not form a unified standard. In fact, the front-end and back-end products of different manufacturers could not be used in a compatible manner, which greatly prevented the promotion and application of high-definition network monitoring systems. . Major manufacturers and users are aware of the shortcomings of this issue, and various manufacturers in the industry are actively participating in and intensifying the development of interface standards for high-definition network monitoring systems, and meet the compatibility of more users' products through secondary development. Currently, the most widely used HD network monitoring system is the ONVIF compatible protocol, and it is expected to become the platform standard for unified management of domestic network cameras. Therefore, the high-definition network cameras provided by the manufacturers should be able to support the latest version of the ONVIF protocol, which can be compatible with the use of more products and unified management, to achieve interconnection and data sharing.
6, back-end solutions and product services
A complete set of high-definition network monitoring system includes front-end video equipment, network transmission, back-end storage, display control, decoding on the wall, large-scale platform management and other technical applications, whether it can provide the overall application of the solution is to measure a high-definition network monitoring products The supplier's important criteria. This requires that suppliers have the appropriate technical strength and have overall system solutions.
1, correctly understand the concept of "high-definition"
HD network cameras refer to surveillance-system cameras based on digital and networked transmission methods. The monitoring and recording resolution must be at least 1280*720 (that is, we often say 720P), which is false high. Or not in HD. The monitoring and recording resolution of the traditional analog surveillance system is limited to the technical limit, and it can only achieve the effect of the resolution of D1 (704*576) at present. Therefore, no matter how many lines the analog camera is, it does not belong to the category of high definition.
2, what kind of resolution HD camera is best
Currently, HD network cameras have resolutions ranging from 100 to 10 million pixels. From the perspective of video surveillance applications, resolutions that are too low or too high will directly affect the normal use of the system, construction costs, bandwidth, and storage. And other pressures. Therefore, the integrated price, clarity and other factors, 2 million pixel CMOS chip high-definition webcam, will have a higher cost, and better meet the actual needs of the majority of users. But the same 2 megapixel camera, its frame rate and resolution will be different, generally 15 frames, 25 frames and 1920 * 1080 and 1600 * 1200 two, the most widely used in the market is 25 frames 1920 * 1080 Most of this category.
3, look at the camera's hardware and software features
In general, a high-performance or cost-effective high-definition network camera, in the face of the diversified needs of market users, requires basic functions such as basic voice monitoring, voice intercom, alarm input and output, and 485 control. Can access POE, WIFI, 3G and other application modules to meet the needs of a variety of application environments. In terms of software, it should have a user-friendly setup, management, and operation platform that is easy to use. At the same time, the functions of the software can meet the application requirements of the general large-scale monitoring system.
4, the actual application effect and configuration
HD network camera manufacturers in order to facilitate customers to understand the performance of their products, generally provide online demonstration or video file download and other services, customers can play the video to see the actual application effect, to conduct a preliminary understanding, and then the most important for the HD network camera itself A number of accessories such as sensors, infrared lamps, lenses, filter switching devices and other consultations, you can in-depth understanding of the relevant performance of the product. Generally high-quality HD network cameras use higher-sensitivity photosensitive chips. Infrared lamps use Taiwan products. Lenses use 2 million or 3 million-pixel high-end lenses and are equipped with automatic filter switching devices to improve the network. Camera monitoring performance.
5, compatible performance
Previously, most of the HD network camera manufacturers were fighting for each other and did not form a unified standard. In fact, the front-end and back-end products of different manufacturers could not be used in a compatible manner, which greatly prevented the promotion and application of high-definition network monitoring systems. . Major manufacturers and users are aware of the shortcomings of this issue, and various manufacturers in the industry are actively participating in and intensifying the development of interface standards for high-definition network monitoring systems, and meet the compatibility of more users' products through secondary development. Currently, the most widely used HD network monitoring system is the ONVIF compatible protocol, and it is expected to become the platform standard for unified management of domestic network cameras. Therefore, the high-definition network cameras provided by the manufacturers should be able to support the latest version of the ONVIF protocol, which can be compatible with the use of more products and unified management, to achieve interconnection and data sharing.
6, back-end solutions and product services
A complete set of high-definition network monitoring system includes front-end video equipment, network transmission, back-end storage, display control, decoding on the wall, large-scale platform management and other technical applications, whether it can provide the overall application of the solution is to measure a high-definition network monitoring products The supplier's important criteria. This requires that suppliers have the appropriate technical strength and have overall system solutions.
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