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DVR CARD

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Information Technology->Audio->DVR card

Product Specification

Model No:	DS-4004HCI DS-4008HCI DS-4016HCI

Product Detail

Features:

H.264(MPEG-4/Part 10) video compression standard leads to high compression ration and good video quality
OggVorbis audio compression standard, with 16kHZ sampling rate and 16kbps output bitrate
Real-time video and audio compression, no frame lost
4CIF preview resolution
Comply with PCI 2.2 standard , a PC can support up to 64 channels
Support WINDOWS 2000/XP and Linux operating system
Provide full SDK , demonstration with source code
Provide player SDK and network SDK for PC platform . Less than 1 second delay in LAN
Setable I. B.P frame sequence
Setable video quality and bitrate
Setable brightness , contrast , saturation and hue of video signal
Support motion detection
Support OSD , LOGO and MASK overlay
Support watermark technology Support double encoding

Merits of Adopting Hikvision H.264 Compression Board

H.264 encoding has the advantage of high image quality , low bitrate and low storage requirement, especially suitable for digital video security. Hikvision H.264 compression board is the state-of-the-art video / audio compression board, which adopts H.264 ACE (ADVANCED CODE EFFICIENCY). Compared with other compression board, its advantage embodies the following aspects:

Save storage space

Hikvision board compression ratio is higher than those that adopt MPEG-1 or other standards. Given the same capacity of hard disk, Hikvision board leads to longer recording time, thus reduces storage costs and maintenance expenses and improves systematic reliability.

Excellent image quality

Hikvision board adopts variable bitrate coding. It assures constant image quality to different scene and motion picture. Even violent motion cannot bring the mosaic phenomenon. Hikvision board supports real time preview without wobble or time delay.

Preeminent characters of network transmission

Hikvision board adjust parameter dynamically, which is suitable to assure excellent and fluent image quality in network transmission. It supports 4CIF, DCIF, 2CIF, CIF, QCIF coding, variable bitrate and variable frame rate. This is more suitable for narrowband transmission, for instance, through PSTN??ISDN??DDN, etc.

Convenient control

Hikvision board??s parameter, such as image quality, frame rate, and sensitive tolerance of motion detection can be adjusted when encoding. It can capture original image. Actively setting parameter is significant in video security.

Flexible and reliable motion detection

Hikvision board adopts most advanced motion detecting technology whose analytical precision can be adjusted dynamically. It can not only detect micro-motion but also throw away misinformation. Reliable motion detection and video setting reduce storage requirement. The whole detecting procedure is completely done on board. Motion detection is completely independent from compression. It can detect both fast and slow motion.

Convenient video overlay function

Hikvision board supports flexible title overlay function. It can overlap time on active video with transparent processing. Its location can be adjusted conveniently.

Watermark technique

Hikvision board supports real watermark technology so that compressed image file cannot be tampered.

Outstanding stability and sustainability

Hikvision board adopts encoding algorithm, SDK function and decoding software, which are specially designed for digital video security. All of these make Hikvision board reliable and stable


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