Specification :

ZJ2008 audio and video compression card compression by the DSP board completed compressed video images transmitted directly deposited in the hard disk without host CPU intervention do anything, significant savings mainframe CPU resources to achieve a multi-card machines, each video parameter can be set up completely independent.

A major function

Local intervals: provide local amplification, can simultaneously decode, more than 16 road
Decoding way: special support tools, Media Player and Internet Explorer
Mobile Detection: hardware support for multi-window, multi-regional, multi-target detection sensitivity

OSD functions: hardware support characters, time stack OSD function, and local support Logo superposition mosaic block for video data to provide accurate timing.
Alarm function: Video loss alarm

Encryption functions: provide the only identification card,
Hardware watchdog function: to provide high-precision detection, ensure system reliability

Two major technical indicators

(1) Video Index
Video inputs: Input Interface: BNC socket input impedance: 75 ohms input amplitude: Vp-p = 1.0V
Video preview: to support real-time multi-channel video preview, support CIF resolution and magnification that
Compression Algorithm: Base Profile H.264 (MPEG 4 Part 10) compression algorithm to support CBR / VBR
Dynamically: Dynamic Frame Rate setting, image quality parameters

(2) audio indicators
Audio input: Input Interface: mono socket BNC input impedance: 10K ohm input amplitude: Vp-p = 2.0V LINE audio listening: listening to provide real-time audio interface
Compression Algorithm: G.729 (8Kbps) / PCM (Kbps)

(3) Other Indexes
Low power consumption: less than 1W single power
Operating system: Windows 2000 Professional
Document storage capacity: (data for the reference value, the specific compression ratio and video camera, and the environment, the following values from 25 per second for data, the actual use, frame by half, disk space occupancy will be much lower, about the value of the 1 / 2 - 2 / 3)
Blacked or signal: 10-15M / hour

Still image-FSU 40-50 / hour

General Moving Image :80 - Rectron / hour

Complex Moving Image :150 - 220M / hour
Board resources: eight total resources Road 200, the road to achieve about 25 per compression.
CPU utilization: using hardware compression board, CPU utilization rate is a low 16 road occupy about 2% to 5% lower in the system configuration to achieve higher and reports, recommended configuration circumstances, can achieve 32 to 64-way road above the non-real-time compression.

Three main technical characteristics

1, low CPU utilization, system stability protection
2, in the lower to achieve higher system configuration and reports, such as 36 Road
3, excellent use of H.264 algorithm, the whole real-time preview
4, can be superimposed accurate, and not tampered with during the late yards
5, compression reducing image quality better than the soft pressure card
6, low power consumption, long working hours without temperature, stable and reliable