Dab tsi Peb Yuav Tsum Paub Txog Zaub Wide Xim Gamut

Nyob rau hauv xyoo tas los no, ntau cov qauv tshiab thiab cov thev naus laus zis tshiab tau tshwm sim hauv cheeb tsam loj-screen, ib qho ntawm cov xim dav dav (WCG). Ntawm qhov dav xim gamut ntawm lub ntsiab lus, thev naus laus zis, cov ntsiab lus, koj yuav tsum paub ob peb lub ntsiab lus paub, ntawm no ib los ntawm ib qho muab.

Yuav ua li cas txiav txim siab qhov dav xim gamut txheem?

   

Cov xim gamut ntawm cov zaub feem ntau yog quantified raws li NTSC tus qauv tsim nyob rau hauv 1953. Tam sim no nyob rau hauv kev ua lag luam feem ntau ntawm cov LCD zaub tsim yuav ua tau raws li HDTV xim gamble standard, uas yog feem ntau hais tias Rec.709 (los yog BT.709). Piv nrog rau NTSC system, REC.709 xim gamut npog txog 72% ntawm NTSC xim gamut. Nyob rau hauv lub nplhaib tso saib, feem ntau yog siv NTSC ntsuas feem pua ​​​​los qhia cov xim gamut, xws li "72% NTSC", uas yog lub lag luam feem ntau LCD specifications.

   

Txawm hais tias tsis muaj tus qauv txhais rau dav gamut, hauv kev xyaum tib neeg feem ntau pom siab dua 72% NTSC raws li dav gamut, thaum 72% thiab hauv qab no tau txheeb xyuas tias tsis dav gamut.

   

  

   

Ob peb xyoos dhau los, peb tau pom ntau hom kev nthuav dav gamut. Ib feem tuaj yeem ua tiav 88% NTSC, 98% NTSC, lossis siab dua. Qee qhov kev nthuav dav gamut no tuaj yeem siv tau nrog kev txhim kho backlighting thev naus laus zis, tab sis muaj kev txwv rau qhov nce xim gamut. Thaum cov thev naus laus zis tshiab xws li OLEDs, quantum dots thiab LED zaub tuaj yeem yooj yim tshaj 100% NTSC.

   

Lub hom phiaj kawg yog los siv Rec.2020 (BT.2020) xim gamut, uas yog sib npaug li 150% NTSC. Tus nqi no suav nrog ntau dua 3/4 ntawm cov xim pom, uas tuaj yeem ua tiav hauv cov zaub ntawm cov xim tsis tau pom dua. Yuav tsum nrog txoj kev loj hlob ntawm ntau tshaj kaum xyoo, Rec.2020 los txog qhov tseeb tsis nyob deb.

   

Yog li, koj yuav tsum xaiv qhov dav xim gamut?

   

Lo lus teb yog: tsis yog. Feem ntau ntawm cov ntsiab lus raug kaw thaum nws xav tias nws yuav siv Rec.709 xim gamut standard zaub. Thiab cov khoom siv nrog cov gamut dav yuav tso tawm cov xim tsis raug, uas yuav ua rau cov ntsiab lus tsis zoo. Qee tus neeg yuav nyiam pom cov xim nyob rau hauv txoj kev supersaturated, tab sis qhov tseeb qhov no yuav ua rau tus neeg hauv daim duab zoo li muaj tshav kub los yog qee yam khoom zoo li tas luav. Lub peev xwm los kho cov xim yog qhov tsim nyog los xyuas kom meej tias cov ntsiab lus pom zoo.

   

LED zaub siv dav xim gamut kom ua tiav cov xim zoo nkauj dua.

   

Cov ntsiab lus dav gamut

   

Zoo li 4K cov ntsiab lus, cov ntsiab lus dav gamut kuj txwv heev. Thawj qhov kev nthuav dav ntawm cov ntsiab lus dav gamut yuav yog Ultra High Definition (UHD) Blu-duab tshav (Blu-duab tshav) rau Rec.2020 hom. Nrog 4K cov ntsiab lus nthuav dav rau daim iav, peb tos ntsoov kom pom cov ntsiab lus dav dav ntxiv.