Features & Functions :
H.264 (MPEG-4/Part 10) video compression standard leads to high compression ratio and good video quality
OggVorbis audio compression standard, with 16 kHz sampling rate and 16 kbps output bitrate
Real-time Video and Audio compression, No frame lost
4CIF preview resolution
Comply with PCI 2.2 standard, Support PCI-X slot, One PC can support up to 64 channels
Support Windows2000/XP/Server 2003 and Linux operation system
Less than 1 second delay in LAN.
Setable I.B.P frame sequence
Setable video quality and bit rate
Setable brightness, contrast, saturation and hue of Video signal
Support motion detection
Support double encoding
Merits of Adopting 4016HC Board
H.264 encoding has the advantage of high image quality , low bitrate and low storage requirement, especially suitable for digital video security. 4016HC 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
4016HC board compression ratio is higher than those that adopt MPEG-1 or other standards. Given the same capacity of hard disk, 4016HC board leads to longer recording time, thus reduces storage costs and maintenance expenses and improves systematic reliability.
Excellent image quality
4016HC board adopts variable bitrate coding. It assures constant image quality to different scene and motion picture. Even violent motion cannot bring the mosaic phenomenon. 4016HC board supports real time preview without wobble or time delay.
Preeminent characters of network transmission
4016HC board adjust parameter dynamically, which is suitable to assure excellent and fluent image quality in network transmission. It supports 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
4016HC board抯 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
4016HC 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
4016HC board supports flexible title overlay function. It can overlap time on active video with transparent processing. Its location can be adjusted conveniently.
Watermark technique
4016HC board supports real watermark technology so that compressed image file cannot be tampered.
Outstanding stability and sustainability
4016HC board adopts encoding algorithm and decoding software, which are specially designed for digital video security. All of these make 4016HC board reliable and stable
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