Detailed Product Description

4 Channels DVR Card

Introduction:

1)      Video H.264 standard, audio G.726 standard, high compression ratio, high image resolution, clear sound

2)      Pure hardware audio /video real-time compression and compound, support OVERLAY and DIRECTDRAW multi-channels review, do not engross CPU resource

3)      Video input: 8 channels compound video signal / single channel card single video signal

4)      Support system: PAL /NTSC

5)      Video capture rate: PAL 176*144 352*288 704*288 512*288 704*576, NTSC 160*120 320*240 640*240 416*240 640*480

6)      Frame ratio: single channel 25F/S (PAL), 30F/S(NTSC)

7)      Video output code rate: 20Kbps-2Mbps

8)      Audio sampling rate: 8KHz

9)      Audio output code rate: 24Kbps, support 16Kbps

10)   Strong compatibility, low consumption, high dependability

11)   Video code rate can be adjusted between 20Kbps-2Mbps, 40-100M/hour/channel

12)   Exactly control various compression parameter, dynamicly adjust brightness, saturation, contrast and other video parameter

13)   Adjust video frame between 1-25Fps(PAL), 1-30Fps(NTSC)

14)   Support capturing original image, storing in BMP format, high image definition

15)   Re-play multi-channels image at the sam time, no any pause, support fast-play, slow-play, single-frame play, single frame capture and part magnify

16)   Output format could be compound stream or video stream

17)   Provide part amplify function, encoding more than 16 channels at the sam time

18)   Freely adjust size of preview window

19)   Adjust compression frame III, IPP, IPB, support I, B, P frame compression, image comression rate is bigger

20)   Dynamic take out frame during compression, and resume at any moment during compression

21)   Supporting watermark prevent-fake technics

22)   Provide real-time audio monitoring interface

23)   Especially suiltable for transfer via WAN, support audio /video real time transfer, support dual code steam function, LAN delay less than 1 second

24)   Support  CBR/VBR working mode, in VBR mode, could set max. change-position rate peak value, code stream adjustable

25)   Support muil-windows dynamic detection

26)   Support hardware character, time repeat OSD function, support Logo repeat

27)   Support part mosaic keeping out video area

28)   Support  number watermark function

29)   Support muilti-region, muilti-sensitivity target detection

30)   Low transfer delay, <1second, support auto resume, client-end can realize 16 channels real-time play

31)   Able to visit server via application software and IE

32)   Support dynamic domain name

33)   Support VPN visit

34)   Compatible with Windows Media Player format

35)   Support Windows2000/XP system