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拾音器监控

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监控拾音头:车载监控系统的技术要求及组成

来源:原创 点击量:2071 发布时间:2014-04-25 09:56:21搜狐足彩

 车载监控的需求

搜狐足彩  DAYUECONG2003NIANKAISHI,GUONEICHEZAIJIANKONGDEXUQIURIJIANXINGQI。GONGANJIANKONG、DESHIJIANKONG、ZHANGTUKECHEJIANKONG、GONGANZHIFACHEJIANKONG、TEZHONGCHELIANGHEXIAOFEIZUOYECHEJIANKONGDENGDENG,KEYISHUOMEIYILEIBIEDECHEZAIJIANKONG,YOUYOUZHEZISHENDEYIXIETESHUDEXUQIU,YINERCHEZAIJIANKONGXITONGXUYAOKEYIDUOGONGNENGDINGZHI。

  KEYUNXINGYEZHONGDUICHEZAIJIANKONGDEXUQIUCHULEYIN/SHIPINSHISHILIULAN,HAIYAOJUBEIWUXIANSHIPINCHUANSHU、WEIXINGDINGWEI、CHELIANGTONGYIDIAODU、YUYINBAOZHAN、XINGSHIXINXIJILUDENGDENGGONGNENG。SUIZHE“KEJIQIANGJING”JIANSHEDEZHANKAI,YAOQIUYIKEJISHOUDUANLAISHIXIANDUIWEIFAXINGWEIQUZHENG、BAOZHANGMINJINGQUANYIHEJIANSHAOEYITOUSU。BIRUGONGANZHIFA、CHENGGUAN、YUNGUANJIUXUYAOJIYIDONGZHAOMING、YIDONGSHIPINJIANKONG、WANGLUOTUXIANGCHUANSHU、GPSDINGWEIYIJIJINGSHIJINGBAODENGGONGNENGYUYITIDECHEZAIJIANKONGSHEBEI。SUOYIYAOQIUCHEZAIJIANKONGPEIBEICHEZAIGAOXINGNENGYUNTAI、GAOJIEXIDUSHEXIANGJIJIYAOYOULIANGHAODEYESHIXIAOGUODENGDENG。ERZAIJINRONGXINGYEJIUYAOQIUDUITUFASHIJIANNENGGOUJISHI;LIANDONGBAOJING,BINGHUDONGDENGDENG。QITAZHURUHUOCHE、CHUANBO、FEIJIDENGDENGYEYOUBUTONGCHENGDUDICHEZAIJIANKONGXUQIU,BINGQIE,BUTONGLEIBIEDEJIAOTONGGONGJUQIGONGYINGDIANXITONGYEYOUJIAODADECHAYI,SUOYICHEZAIJIANKONGXITONGGONGDIANXITONGSHEJIYESHIXUYAOZHONGDIANKAOLVDE。

  车载监控系统组成

搜狐足彩  XIANYICHENGSHIZHIFACHE、GONGANXUNLUO、TEZHONGCHELIANG、XIAOFANGZUOYECHEWEILI,ZHEIXIECHEZAIJIANKONGXITONGTONGCHANGYOUCHEZAIYUNTAISHEXIANGJI、CHEZAILUXIANGJI、JIANSHIQI、DIANYUANMOKUAI、YAOKONGSHEBEIDENGZUCHENG。

搜狐足彩  CHEZAIJIANKONGXITONGZAIBUDUANMANZUSHICHANGXUQIUDEJINCHENGZHONGXIANGQIANFAZHAN,TONGSHIYEYUKEJIJINBUXIXIXIANGGUAN。CHEZAIJIANKONGXITONGZAIBUDUANTUICHENCHUXINDEJICHUSHANG,JISHUJICHENGDUYUEGAO,YINGYONGHUIYUELAIYUEGUANGFAN,YUELAIYUEGAO,YINGYONGHUIYUELAIYUEGUANGFAN,YUELAIYUETIEJINRENMENDESHENGHUO。DUICI,WOMENMANHUAIXIWANGSHIMUYIDAI。

  车载音/视频监控的音频方面最核心的内容就是前段采集问题,与视频监控不同,音频监控所采用的监控拾音头(拾音器)在技术要求上难度较之摄像头相对困难许多。因为声音的特殊性以及监控拾音头(拾音器)的特点(监控拾音头(拾音器)是一种高灵敏的声音采集设备),在采集声音上除了“有用的”声音被采集到外,环境噪音也同时被采集进来。于是一款合格的车载监控拾音头(拾音器)在技术上必须是环境降噪。
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