TV High Dynamic Range (HDR) piav qhia
Tsuas yog thaum koj pib tau koj lub taub hau tuaj txog ntawm 4K / UHD TV , TV kev lag luam tau nce nrog lwm lub tshuab hluav taws xob kom ua rau koj.
Lub sij hawm no lub tshuab hu ua High Dynamic Range - los yog HDR luv. Yog hais tias koj mus rau cov digital photography los yog koj muaj lub xov tooj tsis ntev los no smartphone koj kuj yuav paub zoo txog lub sij hawm, xws li hauv kev yees duab nws siv los piav txog ib txoj kev los siv tib qho kev sib tw ntawm ntau cov kis thiab ces muab cov khoom zoo tshaj plaws txhua tus raug tsim los ua ib qho duab uas muaj ntau dua ntawm lub teeb thiab xim tshaj qhov koj tuaj yeem tau txais nrog tib zaug.
Nrog TVs, tab sis, HDR ua tiav me ntsis txawv. Lub tswv yim tom qab nws yog kev ntes, tus tswv thiab tom qab ntawd muab faib yees duab uas muaj ntau yam luminance ntau dua li koj tau nrog txhua tus qauv hauv tsev video. Koj yuav pom cov xim dawb thiab tob dub, tab sis qhov tseem ceeb tshaj plaws koj yuav ua tau ntau ntau xim ntawm cov xim ntxoov ntxoo, kev nthuav dav xim, thiab ntau yam kev hloov maj mam, tshwj xeeb tshaj yog hauv cov chaw tsaus.
HDR Yeej Ua Haujlwm
Thaum nej tau siv ob peb xuab moos ntsuas HDR yees duab rau hauv kev txiav txim kuv tau hais tias nws yeej muaj feem xyuam rau cov duab zoo, ua cov duab zoo li ciaj sia, qhov tseeb thiab ua tau. Hmoov tsis, txawm tias, tau txais HDR rau hauv kev faib ntau yog tam sim no muaj kev sib tw.
Yog ib feem ntawm txoj kab zauv ntawm HDR yog ib qho yooj yim ncaj. Muaj ob peb lub koob yees duab ib ncig ntawm lub peev xwm ntawm zaj yeeb yaj duab nrog cov luminance ntau HDR xav tau. Txoj kev txawj ntse tseem ceeb heev kom ncav cuag; nws cia li kom tus colourist ua hauj lwm kom muaj kev ntxhib tsuam kom zoo tshaj li qhov lawv xav tau thaum tsim kom muaj tus thawj coj hauv tsev.
Qhov nyuab me ntsis, kwv yees, tau txais cov tswv yim ntawm HDR los ntawm lub rooj saib xyuas koj lub TV. Rau cov pib, muaj ntau cov ntaub ntawv raw hauv HDR video file, lub ntsiab lus uas HDR xav tau chaw sau ntau dua rau ntawm ib qho chaw tso tawm disk thiab, ntau zaus pertinently rau peb cov sij hawm, ntau broadband streaming ceev. Netflix ( saib ntawm no ) kwv yees tias ntxiv HDR rau ib tug video kwj ntxiv ib ncig ntawm 2.5Mbps rau koj qhov kev ua kom ceev ceev.
Tshiab TV Yuav Tsum Tau
Los ntawm qhov teebmeem loj tshaj rau HDR qhov kev cuam tshuam ntawm chav nyob, li, yog qhov tseeb tias koj xav tau cov TV tshwj xeeb los saib. Ua ntej tshaj, cov TV uas muaj peev xwm HDR muaj peev xwm yuav tsum tau paub thiab 'txiav suab' ib lub teeb liab HDR. Raws li nyob rau hauv cov ntaub ntawv, kuv nyuam qhuav sim noj ib qho teeb liab HDR mus rau hauv ib qho tsis yog HDR LG TV thiab nws yuam kev rau 3D!
Qhov thib ob - thiab qhov no yog qhov twg tau yooj yim heev / ntxhov siab - lub TV yuav tsum yeej muaj lub cev duab tu tub tu kiv los ua cov ntsiab lus tseem ceeb hauv HDR. Qhov no txhais tau hais tias, tshwj xeeb tshaj yog, hais tias nws yuav tsum tau xa ntau dua qhov ci ci tshaj qhov feem coob ntawm TV niaj hnub no, thiab raws li kev muaj peev xwm ua tau ntau yam xim zoo nkauj. Nws tsis pab nyob rau hauv no hais txog tias lub ntiaj teb TV yog tam sim no tseem theej fuzzy thaum nws tuaj cuag defining raws nraim theem ntawm brightness thiab xim ntau lub TV yuav tsum xa yog tias nws xav hu nws tus kheej ib HDR TV.
Kuj zoo muaj cov TVs twb muaj nyob rau hauv cov duab ntawm Samsung lub thiaj li hu ua 'SUHD' ( previewed ntawm no ) uas siv cov tshiab brightness - thiab colour-boosting vaj huam sib luag LCD yees kom xa dab tsi zoo xws li ib txoj kev paub HDR tiag. Ntxiv rau qhov no yog lub koom haum UHD Alliance Working Group uas muaj feem ntau ntawm lub ntiaj teb TV loj hitters uas tam sim no ua hauj lwm kom tuaj txog ntawm kev pom zoo ntawm HDR TV yam tsawg kawg nkaus, thiab Ultra HD Blu-txoj kab hom tshiab nyuam qhuav tiav nws cov kev cai HDR.
Hauv lwm lo lus, peb tabtom tau muaj. Lub ntsiab lus hais tias peb muaj peev xwm tag nrho cia siab pib tab tom nrhiav rau ib lub sij hawm thaum TV daim duab zoo yog hais txog pixels zoo dua qhov tsuas yog ntau tshaj pixels.
Tam sim no koj paub dab tsi HDR TV, yog tias koj xav paub ntxiv txog seb koj tuaj yeem mus txog qhov nrhiav thiab saib cov duab zoo li no, xav nyeem dab tsi Kuv Yuav Tsum Tau Tau HDR?