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                  杨英俊谈:投影机的正确认识和使用

                  来源:演艺科技传媒 更新日期:2019-02-14 作者:杨英俊

                      YIQINGQIJIAN,YINGKANGHEGUANGDAHEZUOHUOBANYIQIXIANSHANGFUGONG,ZHICHIHEFUWUBUDUAN。ZHAIZAIJIADERIZILI,SHINEIXIUZHUANYEZHISHIDEHAOSHIJI,JIEXIALAIJIUFENXIANGYIPIANWENZHANG,ZUOZHESHIYINGKANGGAOJIGONGCHENGSHI/FUZONGJINGLIYANGYINGJUN,ZUIXIANFABIAOYU《YANYIKEJI》。

                      TOUYINGJIZUOWEIGUANGJIDIANYITIHUADEGAOJISHUSHEBEI,YINGYONGYUELAIYUEPUJIHEGUANGFAN,YUELAIYUEDUODEFEIDIANZIGONGCHENGZHUANYERENYUANYEKAISHICONGSHITOUYINGJIDEYINGYONG。TOUYINGJITEBIESHIDAXINGZHUANYEGONGCHENGTOUYINGJIDEYINGYONGBUJINSHEJITOUYINGJIBENSHENDEXINGNENG,HAIXUYAOSHEJISHIPINXITONGDEZHENGTISHEJI。YINCI,ZHIYOUZAILEJIEBINGZHANGWOTOUYINGJIDEYUANLIJIXINGNENGDEJICHUSHANG,CAINENGZHENGQUESHIYONGTOUYINGJI,BINGCHONGFENFAHUIQIGONGNENG。YOUCI,BIZHEJIEHESHIJIANJINGYAN,CONGYINGYONGDEJIAODUFENXIGONGCHENGJISHURENYUANXUYAOZHANGWODEXIANGGUANSHIPINJICHUZHISHI,YIJIRUHEGENJUYINGYONGXUANZESHIHEDETOUYINGJIHESHEJITOUYINGXIANSHIXITONGSHIXUYAOKAOLVDEYAOSU。

                      1 投影机应用场所

                      TOUYINGXIANSHIDEYINGYONGCHANGSUOFEICHANGGUANGFAN,SHINEI、SHIWAIDOUYOUYINGYONG,JUTIDEYINGYONGCHANGJINGRUBIAO1、BIAO2SUOSHI。YINBUTONGDEYINGYONGCHANGSUOHEGONGNENGXUQIU,YOUBUTONGDEZHAOMINGHUANJING、BUTONGDESHIYONGTEDIAN、BUTONGDEXINHAOTEZHENG。TEBIESHIYEWAN,HUANJINGGUANGKEKONG,TOUYINGJIEZHIFUZADUOYANG、BUKEKONG、BUYIZHI,TOUYINGSHEBEISHIYONGHUANJINGJIAOCHA,DONGTAISHIPINWEIZHU,JIBENSHANGDOUSHUYUprojection mappingFANCHOU。YINCI,YAOGENJUGEZIDUTEDEXUQIUJINXINGXIFEN,CAINENGZUOHAO。LIRUHUIYISHI,SHUYUANZHUANGHUANJINGHENHAODANZHAODUBIJIAOGAODECHANGSUO,SUOYIKEYIXUANZESHANGWULEIJIXING;ERSHIWAIYEYOU,TOUYINGJIANZHUANGHUANJINGHENCHA,ZEBIXUXUANZEGONGCHENGLEIJIXING。

                  表1 投影机在室内的应用场景

                      表1 投影机在室内的应用场景

                  表2 投影机在室外的应用情况

                      表2 投影机在室外的应用情况

                      CONGTOUYINGJIFANGMIANQUFEN,KEYISHIDANJIYINGYONGHEDUOJIYINGYONG。

                      CONGTOUYINGJIEZHIFANGMIANSHANGKAN,KEYIFENWEIPINGMIAN、QUMIANHEBUGUIZEDEMIAN。

                      2 投影机的选择及使用要求

                      2.1 全面掌握视频基础知识

                      ZHENGQUESHIYONGTOUYINGJIDEQIANTISHIYAODUISHIPIN、TOUYINGJIYUANLIDENGXIANGGUANDESHIPINJISHUJICHUZHISHIYOUSUOLEJIE,RUYIJINGCHUBANDE《SHUZICHENGXIANGJICHUJIXITONGJISHU》(DIANZIGONGYECHUBANSHECHUBAN)、《SHIJUEYUANLI》(SHIJIETUSHUCHUBANGONGSI)DENGZHUANYESHUJITIGONGYOUZHEIFANGMIANDEZHISHI,TONGSHIYEKEYICONGQITAMEIJIEGUANGFANSHELIEXUEXI。

                  科视D4K40-RGB投影机

                      科视D4K40-RGB投影机

                      2.2 了解技术参数的物理意义

                      TOUYINGJIDEJISHUCANSHUFEICHANGDUO,SHIYONGZHEBUZHISHILEJIE,HAIYAOZHUNQUEZHANGWOGEGECANSHUWULIYIYI。

                      (1)投影机的显示技术

                      MUQIAN,TOUYINGJISUOCAIYONGDEXIANSHIJISHUZHUYAOYOU3ZHONG,RUBIAO3SUOSHI。BUTONGDEJISHU,ZAITUXIANGDECHENGXIANFANGMIANYOUBUTONGDETEDIAN,KEYIGENJUXUQIULAIXUANZE。YOUYUDLPDEFANSHEXINGJISHU,SUOYISHIGAOTONGLIANGCHANGSUODESHOUXUAN,LIRUDIANYINGYUANYONGDETOUYINGJIQUANSHIDLPJISHU,ERLCDJISHUSEBAOHEDUGAO,SUOYIKEYIYONGZAISECAIXIANYANDEDIFANG。

                  表3 目前投影机采用的几种显示技术

                      表3 目前投影机采用的几种显示技术

                      (2)投影光源

                      TOUYINGGUANGYUANSHITOUYINGJIZHONGYAODEZUCHENGBUFEN,CHUANTONGDETOUYINGJIGUANGYUANSHIXIANDENG,ZHIHOUSHIUHPDENG,JINNIANLAIJIGUANGGUANGYUANYUELAIYUEDUODIBEICAIYONG。JIGUANGGUANGYUANYEBAOKUODUOZHONGJISHU,QIZHONG,RGBSANJISEJIGUANGGUANGYUAN,QIFAGUANGQIJIANSHIHONGLVLANSANJISEDEJIGUANGQI,SHIMUQIANZUIHAODEGUANGYUAN,SECHUNZUIHAO,SEYUZUIDA(TU1);LINGYIZHONGJIGUANGYINGGUANGFENGUANGYUAN,JIUSHITONGGUODANSEHUOZHESHUANGSEJIGUANGQIHONGJIYINGGUANGFENHOUCHANSHENGCHENGXIANGSUOXUDEHONGLVLANGUANGYUAN,ZHEIZHONGJISHUBIJIAOJINGJI。

                   图1 激光光源的色域

                      图1 激光光源的色域

                      BUTONGDEGUANGYUANYOUBUTONGDESEYU,DUITUXIANGDEBIAOXIANSHIBUYIYANGDE,BUTONGDEGUANGYUANSHIHEDEGUANGTONGLIANGYESHIBUYIYANGDE,RUTU2SUOSHI。

                      图2 不同光源适合的光通量

                      图2 不同光源适合的光通量

                      (3)物理分辨率

                      WULIFENBIANLVSHIZHITOUYINGJICHENGXIANGYONGHEXINQIJIANDEZHENSHIFENBIANLV(XIANGSU),SHIBIAOXIANTUXIANGXINICHENGDUZHIBIAO。MUQIANYOUHENDUOZHONG,CHANGYONGDEYOU1 920×1 200、4 096×2 160DENG。DUIYUTONGYANGDETOUSHEMIANJI、TONGYANGDETOUJUHESHIJU,FENBIANLVYUEGAO,TUXIANGYUEXINI。

                      (4)光通量

                      TOUYINGJIDEGUANGTONGLIANGJINGCHANGBEICHENGWEI“LIANGDU”,ZHEIDANGRANSHIBUDUIDE。RENKANDAODELIANGDUSHIJISHANGSHIYOUHENDUOYINSUJUEDINGDE,TOUYINGJIGUANGTONGLIANGZHISHIQIZHONGYIZHONGYINSU。

                      TOUYINGJIDEGUANGTONGLIANGDAIBIAOZHESHUCHUGUANGXIANDEDUOSHAO。GUANGTONGLIANGDECELIANGYOUBUTONGDEBIAOZHUN,MUQIANCAIYONGDEZHUYAOSHIANSI(MEIGUOGUOJIABIAOZHUNWEIYUANHUI)HEISO(GUOJIBIAOZHUNHUAZUZHI)BIAOZHUN。TONGYITAITOUYINGJI,BUTONGDECELIANGBIAOZHUN,GUANGTONGLIANGSHUZHISHIBUYIYANGDE,ANSIBIAOZHUNSHIZHENGFU10%HEGE,ISOBIAOZHUNSHI-20%HEGE。ZHEIYIWEIZHERUGUOYITAIBIAOCHENG31 000 lmDETOUYINGJI,YIJUISOBIAOZHUNZHIYAOCELIANGCHULAIDEZHICHAOGUO24 800 lm,ZEYIWEIZHESHIHEGEPIN。

                      (5)对比度

                      TOUYINGJIDEDUIBIDU,SHIJISHANGSHITOUYINGJISHUCHUANCHANGHELIANGCHANGDEDUIBI,DAIBIAOZHETOUYINGJIBIAOXIANMINGANDUIBIDENENGLI。

                      (6)镜头参数

                      JINGTOUZUOWEIYIGEGUANGXUEBUJIAN,SHITOUYINGJIDEHEXINBUJIAN,HENDUOFUZADEJISHUZHIBIAOJUEDINGZHEJINGTOUDEZHILIANG,RUTOUSHEBISHIMIAOSHUJINGTOUDEZHUYAOZHIBIAO。

                      (7)信号处理

                      XINHAOCHULIFANGMIANDEJISHUCANSHUBAOKUOZHENLV、JIEKOU、BIANXING、RONGHE、XIAOZHENGDENG。

                      (8)安装

                      ANZHUANGFANGMIANDECANSHUBAOKUOZHONGLIANG、TIJI、SHIYONGHUANJING、FANGXIANG、DIANYUAN、GONGLV、HAIBA、ANQUANYAOQIUDENG。

                      (9)特殊要求

                      ZAISHIYONGTOUYINGJISHI,YAOTEBIEZHUYIJISHUSHOUCEZHONGBIAOJI“*”DEBUFEN,HENDUODESHUJUSHIYOUYIDINGDEQIANTITIAOJIANDE。

                      2.3 投影机指标与需要的匹配

                      ZAICHONGFENLIJIETOUYINGJIJISHUCANSHUWULIYIYIDEJICHUSHANG,XUANZETOUYINGJIDEGUOCHENGJIUSHIZAIXUQIUHETOUYINGJIZHIBIAOZHIJIANXUNQIUPIPEI,KEYICANZHAOTU3JINXING。

                   图3 需求和投影机指标的匹配

                      图3 需求和投影机指标的匹配

                      2.4 用户手册和安装手册的阅读及使用

                      RENZHENZIXIYUEDUYONGHUSHOUCEHEANZHUANGSHOUCESHIJIQIBIYAODE,LIJIEQIZHONGDENEIRONG。TEBIEXUYAOZHUYIDESHIJIEKOUBUFENDENEIRONG,ZHEIDUIPIPEIXINHAOYUANZHIGUANZHONGYAO,TONGSHIYEJUEDINGXINHAOCHUANSHUSHEBEIDEXUANZE。RUBIAO4SUOSHI,KEYIKANDAOTOUYINGJIZHENZHENGDEXINHAOCHULINENGLI,BUTONGDEJIEKOU,NENGJIESHOUCHULIDEXINHAOSHIBUTONGDE。

                  表4 投影机接口的技术参数信息

                      表4 投影机接口的技术参数信息

                      2.5 安装要求的特别注意项

                      TOUYINGJISHIGUANGJIDIANYITIHUADEGAOJISHUCHANPIN,ZHIYOUANZHUANGZAIMANZUTOUYINGJIYAOQIUDEGONGZUOHUANJINGZHONG,CAINENGDADAOQIZUIJIAXIAOYONG,CHENGXIANSUOJICHUDEJISHUZHIBIAONENGLI。YINCI,ANZHUANGYAOQIUYESHIXUYAOTEBIEZHUYIDE,ANZHUANGYAOQIUDEGEXIANGNEIRONGJIANBIAO5。RUGUOHUANJINGTIAOJIANDABUDAOYAOQIU,ZEBUJINJINBUNENGDADAOGUIDINGDEJISHUZHIBIAO,YEHUIDADAZENGJIATOUYINGJIDEGUZHANGLVHESUNHUAILV。

                    表5 安装要求的注意项

                      表5 安装要求的注意项

                      3 投影显示系统的设计要点

                      3.1 系统观念

                      ZHANGWOTOUYINGJIXINGNENGSHIJICHU,SHEJIBINGSHIYONGHAOTOUYINGXIANSHIXITONGCAISHIMUDE。TU4SHIYIGEDIANXINGTOUYINGXIANSHIXITONGDEGOUCHENG,CONGZHONGKEYIKANCHU,YIGETOUYINGXIANSHIXITONGBAOKUOXIANSHINEIRONG、XIANSHINEIRONGYONGDEBOFANGQI,XINHAOCHUANSHUQICAI、TOUYINGJIHETOUYINGJIEZHIYIJIGUANZHONG。ZHEILITEBIEXUYAOSHUOMINGDESHIGUANZHONG,SHIJISHANGGUANZHONGDEYANJINGSHIXIANSHIXITONGDEYIBUFEN,ZHIYOURANGGUANZHONGKANDEJIAN、KANDEQING、KANDESHUSHICAINENGCHENGZHIWEIYIGESHEJICHENGGONGDETOUYINGXIANSHIXITONG(XIANGMU),YECAIKEYISHUOYONGHAOTOUYINGJILE。

                  图4 典型投影显示系统的构成

                      图4 典型投影显示系统的构成

                      ZAIJINXING(XITONG)XIANGMUSHEJISHI,XUYAOKAOLVZHUDUOYINSU,RUTU5SUOSHI。

                  图5 系统设计需要考虑的因素

                      图5 系统设计需要考虑的因素

                      ●GUANZHONGGUANKANDEZITAI,ZHANLI、ZUOZHE、XINGJIN;GUANZHONGDESHULIANG,SUOYOUDEGUANZHONGSHIFOUDOUNENGQINGXIDIKANDAO;ZUIJIAWEIZHI(YANDIAN)ZAINALI?

                      ●DANGZHOUBIANHAIYOUQITAGUANKANWUSHI,HAIXUYAOKAOLVPINGMULIANGDUHEZHOUBIANHUANJINGLIANGDUDEBILIWENTI,YAOYOUHESHIDEGUANGBI,YIBIANXIYINGUANZHONGDEZHUYILIBINGBAOCHIGUANKANDEJIZHONGDU。

                      ●JIUTOUYINGJIBENSHENDEXUANZE,XUYAOKAOLVRENYANDETEXING,GUIHUAHESHIDEFENBIANLV、LIANGDU、DUIBIDU、SEDIAODENGCANSHU。

                      YAOCHONGFENLIJIETOUYINGXIANSHIXITONGSHITOUYINGHEXIANSHIDELIANGYUANXITONG,ZHEISHIYUQITAXIANSHIJISHUBUTONGDEDIFANG。BUTONGDETOUYINGJIEZHI,YOUBUTONGDEJISHUXUYAO,TOUYINGJIYUPINGMUZHIJIANDE“HUANJINGGUANG”SHIXUYAOTEBIEZHUYIHEKAOLVDE。

                      RUGUOBOFANGDEMEITIZHILIANGBUHAO,ZAIHAODETOUYINGXITONGYEWUFACHENGXIANHAODEXIAOGUO,SUOYI,BIXUBAOZHENGMEITIDEZHILIANG。DANZHIDEZHUYIDESHI,MEITIBENSHENYESHICUNZAIZHILIANGCHAYIDE,LIRUCAIYONGCG(Computer Graphics)ZHIZUODESHUZIMEITIYOUHENDUODEHUANJIE,RUTU6SUOSHI,BUTONGHUANJIEZHILIANGDEBAWOJIUHUIXINGCHENGBUTONGZHILIANGDEXIANSHIXIAOGUO。

                   图6 数字媒体的制作环节

                      图6 数字媒体的制作环节

                      MEITIZHILIANGDEYIBUFENKEYIYONGYUEDINGMEITICANSHULAIJIEJUE,BIRUFENBIANLV、ZHENLV、CAIYANGLV、HUIDU。JINLIANGSHIYONGWUSUNWUYASUODEMEITIWENJIANLAITIGAOMEITIZHILIANG。

                      MEITIBOFANGQIYAOBAOZHENGDUIMEITINEIRONGWUSUNDEBOFANG,QUEBAOBUYINRUSHIZHEN,ERCHUANSHUCHULISHEBEIYEYAOBAOZHENGXINHAOWUSUNDECHUANSHU,ZHIHOUCAISHITOUYINGJIDUIXINHAOWANMEIDETOUSHE。

                      3.2 注意事项

                      ●TOUYINGJIBAIWEI:BIKAIYUNDONGPINGTAIYUNDONGBAOLUO,BIMIANGUANZHONGZHISHI,BIANXING,LIANGDUJUNYUN,JUJIAO(JINGSHEN)。

                      ●FENBIANLV(GUANKANJIAOFENBIANLV:3′、2′、1′)YAOGENJUYINGPIANNEIRONGXUANZE。

                      ●LIANGDUXUANZEYAOZAIPINGMUZENGYIQUEDINGSHI,GENJU2D、3DXIANSHILEIXING(JIANTU7)ZUOCHUXUANZE。

                  图7 不同的显示类型

                      图7 不同的显示类型

                      ●SUOYOUDETOUYINGJIANZHUANGDOUCUNZAIZHEYUESHU,KENENGHENFUZA。

                      ●BIXUCAIYONGTOUYINGJIYUNXUDEANZHUANGZITAI。

                      ●BAOZHENGLIANGHAODESANRE(JIANTU8),SHITOUYINGJIZHENGCHANGGONGZUODEXIANJUETIAOJIAN。

                  图8 良好的通风、散热环境

                      图8 良好的通风、散热环境

                      ●SHIYONGJIANGUDEZHIJIAFANGZHIPIAOYI。

                      ●BAOZHENGWENDUHESHIDU。

                      ●BAOZHENGJIEJING、MEIYOUFUSHIXINGQITI。

                      ●XIANCHANGQINGCHENHOU,CAIKEYIANZHUANG。

                      ●SHEJISHIJIUYAOKAOLVRUHEANZHUANG、WEIHUHEWEIXIU(LIRUSHEJIANZHUANGHEWEIXIUMADAO)。

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