HDR masisitimu ezvino mu LED skrini
Wave kuda kutenga chidzitiro che LED uye hauzive kukosha kwakaita izwi rekuti HDR, (High Dynamic Range, yeacronym muChirungu)?
Usanetseka, pano tichakutsanangurira iwe.HDR, muchidimbu, chikamu chechiratidziro chako che LED chine basa rekuburitsa zviratidziro zvine mamwe mavara echokwadi uye yakakwirira musiyano.
Musiyano unoyerwa nemusiyano uripo pakati pevachena vanopenya uye vatema vatema vanogona kuratidzwa ne LED skrini, yakayerwa mu candela pa square mita (cd / m2): iyo inonzi NITS.
Kune akawanda mafomati muHDR, asi parizvino kune vatambi vaviri vakuru: yevaridzi Dolby Vision fomati, uye yakavhurika standard HDR10.Dolby ndiye akatanga kupinda mubato aine prototype TV inokwanisa kuratidza kupenya kunosvika zviuru zvina.Kwenguva pfupi, Dolby Vision yainyanya kufanana neHDR, asi havasi vese vagadziri vaida kutevedzera mitemo yeDolby (kana kubhadhara muripo), uye vazhinji vakatanga kuzvishandira voga.
Iwo maviri makuru mafomati eHDR anoshandisa metadata inomhanya pamwe nechiratidzo chevhidhiyo pamusoro petambo yeHDMI, metadata inobvumira iyo sosi vhidhiyo kuenda.“tell”chiratidziro che LED maitiro ekuratidza mavara.HDR10 inoshandisa nzira iri nyore: inotumira metadata kamwechete uye pakutanga kwevhidhiyo, ichitaura zvakadai, "Vhidhiyo iyi yakavharwa uchishandisa HDR, uye unofanira kuibata seizvi."
HDR10 yave inonyanya kufarirwa pane maviri mafomati.Pamusoro pazvose, chiyero chakavhurika: vagadziri ve LED skrini vanogona kuishandisa mahara.Inokurudzirwa zvakare neiyo UHD Alliance, iyo inowanzofarira yakavhurika zviyero kune zvevaridzi mafomati seDolby Vision.
Nguva yekutumira: Aug-26-2021