HD network camera Key Features and Benefits
In nowadays this definition era, HD IP Camera is the development trend of the industry, high-definition technology determines its direction.
HD network camera The main advantages are:
1. Network, and can be more than the same time online, watch free from time and place
2. Voice and video digitization, clear picture quality and compression ratio, has been far beyond the conventional CCTV images are photographic quality control is powerful, and can be integrated identification, tracking and other technology
3. Video file management and storage easy, while offsite backup
4. Easy to install, can be placed anywhere (wireless network transmission or PoE power) network infrastructure matures, the need for additional cabling costs, significantly reduce costs, expansion and integration of high
5. Widely used in people's livelihood, commercial and research purposes, and 3G mobile phone combines simple construct mobile remote monitoring system
HD network camera eight major characteristics are:
1, MPEG-4 encoding standard: a standard MPEG4 video codec, MPEG4 and CIF encoding format; Support PAL / NTSC video output.
2, support DHCP: user available DHCP (Dynamic Host Configuration Protocol) to establish IPCAM working environment, DHCP is a network device through the IP network access to customers in a variety of parameters necessary for operation of the protocol, through the use of this protocol, system administration tasks a significant reduction in equipment with a minimum IP addresses automatically added to the network. 3, the network function: supports full TCP / IP protocol suite, built-in WEB server, support for browser access.
4, PTZ control functions: Electronic PTZ function, supports many codecs agreement.
5, the alarm function: 1 channel alarm input, 1 channel alarm output.
6, motion detection: in the visual range of multi-directional motion detection, with occlusion alarm, alarm linkage output functions.
7, User Management: Multi-level user rights management. Senior administrators can create 15 operators, each operator can set the permissions, system security is better.
8, image storage: standard MPEG4 video format, support for third-party player to play files; networked storage, support for FTP, SMTP alarm remote upload support local storage and SD card storage.
HD network camera composition:
HD IP Camera generally consists of lens, image sensor, sound sensor, A / D converters, image, sound, controller network servers, external alarm, the control interface and other components. Among them, the lens, the image sensor based. Shot
Front of the lens as a IP Camera parts, a fixed aperture, auto iris, auto zoom, auto zoom and other types of analog cameras with the same.
An image sensor, sound sensor
CMOS and CCD image sensor has two modes. Both CMOS Complementary metal oxide semiconductor, CMOS
Is the use of silicon and germanium these two elements made of a semiconductor, a negative charge by the CMOS transistors and the positively charged to achieve the basic functions. Effect of these two complementary current generated chips can be processed into an image recording and interpretation. The main advantage for CCD CMOS is a very power. Unlike the two tubes of CCD and CMOS circuits almost no static power consumption. This allows the CMOS power consumption of only ordinary CCD, 1/3, CMOS important issues in dealing with rapidly changing image, the current conversion is too frequent and overheating. Dark current suppression good on a big problem, if suppression is very prone to bad noise.
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