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Description:Adopt H.264 compression algorithm, high performance, good video quality Audio compression: G.726,8KHz sampling ratio,16kbps output bitrate V/A real time compression, no frame lost Preview resolution:4CIF Coding resolution:4CIF+CIF+CIF+CIF or 2CIF+2CIF+2CIF+CIF or kinds of combination coding type Comply with PCI 2.2 standard, a PC supports 32 channels Provide full SDK and DEMO 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 Settable brightness, contrast, saturation and hue of video signal Support motion detection Support OSD, LOGO and MASK oevelay Support watermark technology Support multiple encoding, including CIF,2CIF, and 4CIF Specification 1. Video: Video input:1-4channels signal Support PAL, NTSC Resolution:704*576(PAL),704*480(NTSC),704*288(PAL),704*240(NTSC),352*288(PAL),352*240(NTSC) Frame rate:25F/S(PAL),30F/S(NTSC) Output bitrate:32kbps-1000kbps(CIF) 2. Audio Audio input:1-4channels signal input Sampling ratio:8KHz Output bitratio:16kbps