DaHua H.264硬件压缩录像卡VEC0804HA

Features >H.264 hardware compression algorithm for high compression ratio and excellent image quality. >8 channels 4CIF(D1)/2CIF/HD1/CIF/QCIF real-time recoding and dual-stream supported. >Support 4CIF/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 VEC0804HA General Encoding Chip VS2801 PCI Standard PCI 2.2 Video Input 8 channel, BNC(1.0Vp-p, 75Ω) Standard NTSC(525Line, 60f/s), PAL(625Line, 50f/s) Preview Resolution 4CIF/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: 8 channel 4CIF(D1)/2CIF/HD1/CIF/QCIF with 25/30fps Extra Stream: CIF/QCIF with 25/30 fps Bit Rate 32Kbps 4Mbps RAW Stream / Audio Input 8 channel, BNC(200-2800mV, 30KΩ) Compression PCM/G.711 Sampling Rate 8bit/8KHz Bit Rate 64Kbps 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 Dimension 257mm×106.6mm VS2801 VS2801 high-performance 32-bit Harvard architecture RISC Microprocessor, widely used in video, image and sound encoding and processing. 266 MHz Typical operating frequency and maximum support 300Mhz. One VS2801 can supports H.264 Baseline / Main Profile, Level3.0 with 275/330 fps of CIF encoding, JPEG Baseline encoding with 25/330 fps of D1 resolution, G.711a / u-law audio encoding. This VS2801 designed for support dual-stream encoding, CBR / VBR rate control, bit stream DES and digital watermark encryption, and also include pre-treatments such as de-interlacing, noise reduction, image zoom, OSD / LOGO overlay, privacy masking and video detection. Full D1 Cost-effective Video & Audio H.264 RISC Compression Card