Sisitemu ya HDR igezweho muri ecran ya LED

Sisitemu ya HDR igezweho muri ecran ya LED 

Ugiye kugura ecran ya LED kandi utazi akamaro k'ijambo HDR ari ngombwa, (High Dynamic Range, kubera amagambo ahinnye mucyongereza)?

Ntugire ikibazo, hano tugiye kugusobanurira.HDR, muri make, igice cya ecran ya LED ishinzwe gutanga amashusho afite amabara menshi kandi atandukanye cyane.

Itandukaniro ripimirwa ku itandukaniro riri hagati y'abazungu baka cyane n'abirabura b'umwijima umwijima LED ishobora kwerekana, igapimwa muri candela kuri metero kare (cd / m2): ibyo bita NITS.

Hano hari format nyinshi muri HDR, ariko kuri ubu hariho abakinnyi babiri nyamukuru: imiterere ya Dolby Vision yihariye, hamwe na HDR10 ifunguye.Dolby niwe wambere winjiye mubirori hamwe na prototype TV ishoboye kwerekana nits zigera ku 4000.Mu gihe gito, Dolby Vision yari isanzwe ihwanye na HDR, ariko ntabwo abayikora bose bifuzaga gukurikiza amategeko ya Dolby (cyangwa kwishyura amafaranga yabo), kandi benshi batangiye gukora muburyo bwabo.

Imiterere ibiri yingenzi ya HDR ikoresha metadata ikoresha ibimenyetso bya videwo hejuru ya kabili ya HDMI, metadata yemerera amashusho yinkomoko kuri“bwira”LED yerekana uburyo bwo kwerekana amabara.HDR10 ikoresha uburyo bworoshye cyane: yohereza metadata icyarimwe kandi mugitangira rya videwo, ikavuga ikintu nka: "Iyi videwo irimo kodegisi ukoresheje HDR, kandi ugomba kuyifata gutya."

HDR10 imaze kumenyekana cyane muburyo bubiri.Hejuru ya byose, ni igipimo gifunguye: abakora LED ya ecran barashobora kuyishyira mubikorwa kubusa.Irasabwa kandi na UHD Alliance, ubusanzwe ikunda amahame afunguye kumiterere yihariye nka Dolby Vision.