Video Compressing standard

H.264

Resolution of code

PAL: 352×288CIF

NTSC: 320×240CIF

Video Input

4/8/16 channel of complex analog video signal, NTSC,PAL could be selected

BNC socket,1.0Vp-p,resitance75Ω

Video compression code rate

20K4M bps

Type of video stream

video stream/ complex stream

video frame rate

PAL1~25 frame/ secondNTSC1~30frame/ second

Resolution of preview

704×576,horizontal line 500,vertical line400

Resolution of playback

352×288,horizontal line 270,vertical line 250

Audio Compression Standard

G.726

Audio sampling frequency

8KHz

Audio Input

4/8/2 channel audio input ,RCA socket

Working Humidity

1090RH

Ambient temperature

-10+50

Dimension

1704HC: 134.8×80.3mm2      1708HC: 99×170mm2      1716HS:  205×110mm2

Power Consumption

1704HC  ≤5W    1708HC  ≤6W    1716HS   12W

Hardware  Filter 

Multi-layer hardware filter and De-interlace function,to improve the image quality

Superposition

Time superposition,hardward character,LOGO superposition, and part mascaic shield are supported. On condition of gray OSD,self-adapt to adjust OSD character brightness according to background birghtness.

Motion Detecting

Multi-windows,multi-zone are supported, it takes nearly no resources of system,highly-sensitive

Alarm function

If video is lost, alarm on.

Encrypt

Encrypt on board,Safety class up to meet finance requirement,unique identity card No. is supplied.

Image capture

Original image capture is supported, and store in JPG, BMP format

Real time listen in

Real time listen in function is supplied.

Encoding function

CBR/HBR working mode is supported. On HBR mode, code stream upper limit could be set,even the noise is bigger,the code stream could also be controlled.

Dynamicly realtime adjust brightness,contrast and other video parameter.