图2.解决方案外形图
Distinguishing Features
Complete solution for real-time video surveillance DVRs
Low price per channel
Small PCB area
Integrated NTSC/PAL video decoding and encoding
Up to 16 channels of hardware-based H.264 compression and bridging to PCIe
Up to 16 channels of uncompressed video bridging to PCIe
PCIe 1.1 compliant
High quality images with flexible displays and resolutions
WINOOWs and Linux drivers
Quick time to market
Conexant CX25853
Integrated eight-channel video decoder: Low price per channel and small PCB area
5-line comb filter: Excellent luma/chroma separation for best image quality and compression efficiency
Low-signal locking: Fewer amplifiers required in overall system Conexant CX25821
Multiple channels of BT.656 and I2S bridging to PCIe:
More cost-effective than Field-Programmable Gate Arrays (FPGAs)
MG3500 host-interface: Allows bridging of H.264 compressed data to PCIe
WINOOWs and Linux drivers
Maxim MG3500
Multi-channel H.264 compression, up to four channels per device: Low price per channel and small PCB area
De-interlacing, scaling, and tiling: High quality images with flexible displays and resolutions
Compressed and Uncompressed outputs: Separate paths for recording and monitoring
图3.采用CX25851/3和MG3500的8/16路PCIe捕捉卡参考设计方框图
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