Yintoni ngokwenene uyibona kule entsha 4K Ultra HD TV?
Nangona abaninzi abathengi basasetyenziselwa i-HDTV , abanye bebanokungena kwi-4K ngokuthenga i-Ultra HD ye-TV yokuqala.
Kukho udoti oluninzi malunga ne- 4K Ultra HD TV, kwaye, ngokungathandabuzekiyo, ezi setekethi zingakwazi ukuhambisa umfanekiso wesisombululo esiphezulu, kodwa kukho ezinye izinto ekufuneka zithathelwe ingqalelo ngokwemiqathango enokwazi ukuyibona kwiskrini.
Uluhlu lweSkrini, ukuhlala kuMgama, kunye nokuQinisekisa
Kukho izinto ezintathu ezibalulekileyo ekufuneka zithathelwe ingqalelo ukuze ubone umehluko phakathi kwe-HD ne-Ultra HD.
Okokuqala, kukho ubukhulu beSkrini. Nangona ezininzi ze-TV ze-4K ze-HD zifika ngobukhulu obungama-intshi engama-65 nangaphantsi, kunokuba nzima kubaxhasi abaninzi ukuba babone umehluko omkhulu phakathi kwe- 1080p HD kunye ne-4K Ultra HD kulezo zikhulu zesikrini. Nangona kunjalo, kwibukhulu besikrini, ii-intshi ezingama-70 kunye phezulu-umahluko phakathi kwe-HD ne-Ultra HD iqala ukubonakala. Ubuninzi bobukhulu beskrini bufumana-umahluko obonakalayo ngakumbi, ngokwemiqathango eboniswe kwesikrini, njenge-4K Ultra HD TV iya kugcina ngaphezulu.
Okwesibini, kukho ukuhlala kuMgama. Kanye kunye nobukhulu besikrini, ukuba uhlala kufuphi neTV kumenza umehluko. Ngokomzekelo, ukuba uthe wafaka imali kwi-TV ye-4K ye-Ultrascreen ye-4K okanye engu-65 intshi, ungasondela kwisikrini onokuyifumana nge-HDTV yangaphambili yesayizi efanayo kwesikrini kwaye usenokufumana amava okubona okwanelisayo, njengoko iipekseli zincinane. Ngamanye amagama, umgama apho isakhiwo sepikelli se-4K Ultra HD TV sibonakala khona sidinga umgama osondeleyo ohlala kuyo kunokuba ungayifumana nge 720p okanye i-1080p HDTV .
Okwesithathu, kukho umcimbi wokuqukethwe. Kulungile, nokuba uthathe iimbali zokuqala ezixutywe ngentla, abo bangena kwi-4K Ultra HD isaziso sokuthi akukho ndawo enomxholo we-4K okhoyo-oko kuthetha ukuba nangona unayo i-4K Ultra HD TV, unako ukukwazi ukuzisebenzisa ngokugcwele izibonakaliso zayo eziphezulu. Ngamanye amagama, ngenxa yokuba unesisethi esitsha sokukhawulela, asithethi ukuba yonke into oyibonayo kwiskrini ezukileyo kwi-4K.
Ngomnyaka ka-2017, akukhokho ukusasazwa kwe-TV ye-4K ye-HD okanye ikhebula (i-tuners eyakhelwe kwi-4K Ultra HD TV yakho iyona-standard ye-ATSC HD).
Kwakhona, ifomethi ye - 4K Ultra HD ye-Blu-ray isendaweni, kwaye abadlali kunye namabhayisikobho abakho ngoku.
Kubalulekile ukuba uqaphele ukuba i-Sony iye yahambisa umgca we-4K i-Blu-ray Discs elinezixhobo ezi-4K ezithi, nangona zisenokuba ngu-1080p yokudlala kumaqela aqhelekileyo we-Blu-ray Disc, kukho ezinye izikhombo ezongeziweyo ezifakwe kwiidiski ezivumela i-Sony 4K Ultra Ii-TV ze-HD ukukhangela iinkcukacha kunye nokucaca kombala ukubonisa kwi-4K Ultra HD TV.
Ukongeza, i- Netflix , i- Vudu , kunye ne-Amazon zonke zihambisa ukusasazwa kwe-4K. Ezi nkonzo zifumaneka kwinani elikhulayo labachazi beendaba abavela kwiRoku, i-Amazon, i-Google Chromecast, kwakunye nokukhetha ii-4K Ultra HD zee-TV ezibandakanya i-HEVC codec-decoders-I-speedband ye- intanethi ye-15 kuya kwi-25mbps iyadingeka ukuze kube lula ukunikezelwa .
Kwixesha elizayo, ukusasazwa, i-cable kunye nabanikezeli be-satellite bonke bazama iindlela zokuhambisa umxholo we-4K kubathengi.
4K Upscaling
Uhlobo lwe-4K Ultra HD lubhalela kakuhle ixesha elizayo, njengoko umxholo uya kuza-kodwa luphi na oshiya abaninzi abane-TV ye-4K Ultra HD ngoku ukuba abanako ukuxhamla umxholo okwangoku 4K okhoyo okwangoku?
Impendulo yaloo mbuzo ikukho ukuba zonke ii- 4K Ultra HD zeTV ziyakwazi ukuphakanyiswa okwangoku kunye nomxholo we-HD ukulungelelanisa ngokukhawuleza kunokwenzeka kwi-4K. Kwakhona, ekuphuhliseni okufanayo, inani elikhulayo labadlali be-Blu-ray Disc, kunye nabamkeli be-Home Theatre baquka kwakhona ukukhutshwa kwe-4K upscaling.
Nangona kungenakulungileyo njengokwenyaniso ye-4K, kuxhomekeke kumgangatho womxholo, iziphumo zingakhangela bhetele kunezinto ozibonayo kwi-TV ye-1080p (ukuthatha ubungakanani besikrini kunye nokuhlala kwimiba emiselweyo ngaphambili kweli nqaku). Nangona kunjalo, simele sijamelane nayo, iVHS, ukusasazwa kwe-standard resolution, ikhebula, okanye i-satellite, kunye neDVD ephezulu ayiyi kukhangela enkulu kwi-screen enkulu 4K Ultra HD TV, kodwa i-HD enokusasazwa, i-cable, i-satellite okanye i-Blu-ray disc no kukhangeka kakhulu.
Ngaphantsi
Ukuba unomdla wokungena kwi-4K-khangela uluhlu lwethu oluhlaziywa ngezikhathi lwe-4K Ultra HD TV .
Njengoko ukufikelela kwi-4K kwanda, eli nqaku liza kuhlaziywa ngokufanelekileyo, njengoko loo nkcazelo iyafumaneka - ngoko gcina ulungelelanise.