HDR systems yog qhov tseeb hauv cov ntxaij vab tshaus LED

HDR systems yog qhov tseeb hauv cov ntxaij vab tshaus LED 

Puas yog koj tab tom yuav lub vijtsam LED thiab tsis paub tias lub sijhawm HDR tseem ceeb npaum li cas, (High Dynamic Range, rau nws cov lus Askiv)?

Tsis txhob txhawj, ntawm no peb yuav piav qhia rau koj.HDR yog, luv luv, yog ib feem ntawm koj lub vijtsam LED uas yog lub luag haujlwm xa cov scenes nrog cov xim tiag tiag thiab ntau dua qhov sib txawv.

Qhov sib txawv yog ntsuas los ntawm qhov sib txawv ntawm cov xim dawb tshaj plaws thiab cov xim dub tshaj plaws uas lub vijtsam LED tuaj yeem pom, ntsuas hauv candela ib square meter (cd / m2): lub npe hu ua NITS.

Muaj ntau hom ntawv hauv HDR, tab sis tam sim no muaj ob lub ntsiab tseem ceeb: hom Dolby Vision tus tswv, thiab tus qauv qhib HDR10.Dolby yog thawj tus tuaj koom lub rooj sib tham nrog tus qauv TV uas muaj peev xwm nthuav tawm txog li 4,000 nits ntawm qhov ci.Rau lub sijhawm luv luv, Dolby Vision yog qhov tseem ceeb ntawm HDR, tab sis tsis yog txhua tus neeg tsim khoom xav ua raws li Dolby txoj cai (lossis them lawv cov nqi), thiab ntau tus pib ua haujlwm ntawm lawv tus kheej lwm txoj hauv kev.

Ob hom HDR tseem ceeb siv cov metadata uas khiav raws cov teeb liab video dhau ntawm HDMI cable, metadata uas tso cai rau lub hauv paus video.“qhia”ib qho LED zaub yuav ua li cas tso saib xim.HDR10 siv ib txoj hauv kev yooj yim: nws xa cov metadata tag nrho ib zaug thiab thaum pib ntawm video, hais ib yam dab tsi zoo li, "Lub yees duab no tau encoded siv HDR, thiab koj yuav tsum kho nws li no."

HDR10 tau dhau los ua qhov nrov dua ntawm ob hom ntawv.Qhov tseem ceeb tshaj plaws, nws yog tus qauv qhib: cov tuam txhab ntawm cov ntxaij vab tshaus LED tuaj yeem siv tau dawb.Nws kuj tau pom zoo los ntawm UHD Alliance, uas feem ntau nyiam qhib cov qauv rau cov tswv cuab xws li Dolby Vision.