Dahua VEC0804FB8渠道录像硬件压缩

VEC0804FB Dahua 8 channels video and audio capture card Video channels:8 Audio channels:8 Compression:H.264 VEC FB Series video and audio compression card use Texas Instrument's high-performance DSP DM645 with hardware H.264 algorithm compression that reproduces excellent image quality and achieves high compression ratio for the best possible performance. This series card can provide 4/8/16 channels 2CIF/HD1/CIF/QCIF with 25/30fps and dual-stream encoding; it also can support full channels 4CIF(D1) with 12/15fps or half channels 4CIF(D1) with 25/30fps encoding.Features >H.264 hardware compression algorithm for high compression ratio and excellent image quality. >4/8/16 channels 2CIF/HD1/CIF/QCIF or half channels 4CIF(D1) real-time recoding and dual-stream supported, also support full channels 4CIF(D1) non-real time recoding. >4/8/16 channels 4CIF(D1)/CIF/QCIF RAW video stream output. >Support 4CIF(D1)/CIF/QCIF real-time preview for up to 64 cameras. >Video detection supports Motion detection, Video loss and Video block. >Support OSD/LOGO overlay, Privacy masking, Frame rate and Bit rate dynamically adjusted etc. >Provide full SDK with Windows and Linux operation system. >Compatible with full range of Dahua’s Compression card. Model VEC1604FB VEC0804FB VEC0404FB General Encoding Chip TMS320DM645 PCI Standard PCI 2.2 Video Input 16 channel, BNC(1.0Vp-p, 75?) 8 channel, BNC(1.0Vp-p, 75?) 4 channel, BNC(1.0Vp-p, 75?) Standard NTSC(525Line, 60f/s), PAL(625Line, 50f/s) Preview Resolution 4CIF(D1)/CIF/QCIF, Realtime Compression H.264 Encoding Resolution NTSC: 704×480(4CIF/D1), 704×240(2CIF), 352×480(HD1), 352×240(CIF), 176×120(QCIF) PAL: 704×576(4CIF/D1), 704×288(2CIF),352×576(HD1), 352×288(CIF), 176×144(QCIF) Encoding Speed Main Stream: Full-channels 2CIF/HD1/CIF/QCIF or Half-channels 4CIF(D1) with 25/30fps; Full-channels 4CIF(D1) with 12/15fps Extra Stream: CIF/QCIF with 25/30 fps Bit Rate 32Kbps 4Mbps RAW Stream Full-channels 4CIF(D1)/CIF/QCIF Audio Input 16 channel, BNC(200-2800mV, 30KΩ) 8 channel, BNC(200-2800mV, 30KΩ) 4 channel, BNC(200-2800mV, 30KΩ) Compression PCM/ADPCM Sampling Rate 8bit/8KHz, 16bit/8KHz Bit Rate 32Kbps System Requirement Operating System Windows 2000/XP/2003/Vista/7, Linux CPU Intel or AMD Motherboard Based on Intel or AMD chipset, PCI 2.2 slot Memory 256MB or above Graphics NVIDIA, AMD-ATI, Intel graphics cards, memory 64MB or above Environmental Working Environment -10 +55'C / 10 90%RH / 86 106kpa Power Requirement 5V±10%, 3.3V±10% Power Consumption 11W 7W 3W Dimension 257mm×106.6mm 182.5mm×106.6mm 152.5mm×93.2m