行车记录仪方案比较.doc

     按照录像的分辨率来分，大致可以分为VGA(640x480)、720P(1280x720)、1080P(1920x1080)这三大系列VGA是最早的产品规格，目前的方案有STK、SQ、Sunplus；720P是目前性价比较好的规格，方案商有Zoran、Novatek；1080P的产品只有Ambarella的方案可support，但成本较高Novatek1080P的Solution已在规划中市场产品规格简单对比SolutionSensorVideo resolutionSTK0.3MPVGA@30fps/720P@30fpsSunplus0.3M/1MPVGA@30fps/720P@30fpsSQ0.3M/1MPVGA@30fps/720P@30fpsZoran5MPVGA@60fps/1280x720@30fpsNovatek1MP/5MPVGA@60fps/1280x720@30fpsAmbarella5MP1920x1080@60fpsSTK最早涉足该市场，目前市场份额较大的是VGA产品720P的产品于2010年底推出市场，在市场上的增长已逐步明显,但因为效果较差，目前很少客户使用。

市场主流方案SolutionDSPSensorIC PriceSTK（太欣）STK1265/2265OV7725/7670/97122.2USDSunplusSPCA1527/1628OV7725/97122.1USDSQSQ909B/680OV7725/97121.9USDZoranCoach10PMI51004.6USDNovatekNT96632OV9712/5653/MI51004.5USDAmbarellaA2S60/70MI510014.5USD 主流方案bom成本SolutionDSPSensorBom PriceSTK（太欣）STK1265/2265OV7725/7670/971270RMBSunplusSPCA1527/1628OV7725/971275RMBSQSQ909B/680OV7725/971272RMBZoranCoach10PMI5100?NovatekNT96632OV9712/5653/MI5100150RMBAmbarellaA2S60/70MI5100?产品推新规划NT96632 solution的行车记录仪，目前正在逐步导入更具有优势的NT96220 solution来保证720P产品的价格调整优势。

DSPHDMIPackageMemoryAVCNT96632Built-inBGA297DDR2H.264NT96220Built-inTQFP144DDR1/SDRAMM-JPEGSolutionDSPSensorRAMTF/SDDC-DCSTK（太欣）STK1265/2265OV7725/7670/9712Winbond SDRAMW9864G6IH 4X16Up 16GLP3212SunplusSPCA1527/1628OV7725/9712Samsung SDRAMK4S641632N 4X16Up 16GAT1366SQSQ909B/680OV7725/9712ESMT SDRAMIS42S16400F 4X16Up 16GXTS2403ZoranCoach10PMI5100Samsung DDR2K4H560438J 16X16Up 32GAPW7137NovatekNT96632OV9712/5653/MI5100Samsung DDR2K4H511638F 32X16Up 32GEUP2584AmbarellaA2S60/70MI5100Hynix DDR3H5TQ1G63BFR-G7C 64X16Up 32GRT8015A1. DSP(主控)暂无IC design in 2. sensor暂无IC design in3. RAM 可以design in4. TF/SD 可以design in5. DC-DC可以design in。