4k ultra hd gukemura – ibisobanuro, ibyiza nibibi, ni bangahe muri pigiseli

Gukemura ni ikintu cyingenzi kiranga TV na videwo. Irerekana pigiseli ibara kuri horizontal na vertical position. Iyo hejuru imyanzuro, isobanutse, irambuye ishusho yafashwe kuri terefone. Abakora TV bagarukira gusa kwerekana imibare itambitse. Kurugero, 4k gukemura bivuga gukemura cinema ya digitale hamwe nubushakashatsi bwa mudasobwa. Ihuye na pigiseli 4000 itambitse.

4k gukemura – ibisobanuro byurwego rusanzwe

Impungenge z’Abayapani NHK zateje imbere UHDTV urwego rwitumanaho. Yemejwe mu 2012 mu nama z’umuryango mpuzamahanga w’itumanaho. Icyemezo ntarengwa cyari 3840×2160 pigiseli. Yamenyekanye nka Ultra HD. Amashusho ya TV yashoboye kubona igipimo cyagutse cyagutse. Byahwanye n’umwanya wa 16: 9. Uyu munsi, iki gipimo nimwe mubikunze kugaragara kandi byaguzwe. Mu nganda za firime, yitwa 4K kubera ko ubugari bwikadiri bwahindutse pigiseli 4000. Birashimishije ko abatunganya televiziyo badatekereza guhagarara aho. [ibisobanuro id = “umugereka_2731” align = “aligncenter” ubugari = “669”]
Imyanzuro isanzwe [/ caption] Kugirango usobanukirwe na ultra-high definition video, ugomba kwiyumvisha ecran ya metero 15. Ishusho kuri yo izagumaho neza nkuko biri kuri televiziyo isanzwe. Umushinga wa cinema ya digitale ushyigikira gusa 2k gukemura. Inkunga ya format ya quad iri kuri IMAX. Byahinduwe bivuye kwamamaza Icyongereza, ubu ni ubwoko ntarengwa bwishusho. Kubisanzwe, abashoramari benshi bafite inshuro enye imyanzuro ikoreshwa. 4k bisobanura kumvikana neza nibisobanuro birambuye by’ishusho, byoherezwa neza kandi byuzuye. Ubucucike hamwe na realism yishusho ikura bitewe na pigiseli yagabanutse no kwiyongera kwinshi. Nkigisubizo, ibintu bigenda birambuye murutonde kandi birashobora kurebwa neza. Ugereranije na 2k, 4k itanga igipimo cyiza cyo kugereranya, uburebure bwamabara nijwi ryiza. UHD ikoresha igipimo cyikigero. Ibara rifite ubujyakuzimu bwa 12, naho ibara ryuzuye ni 75%. Mugaragaza yerekana hafi 69.000.000.000 igicucu cyibara palette. Kugirango ubyumve neza, moderi yo hejuru-Yuzuye Moderi ihindura ama frame kumuvuduko wa kilosecond 60. Ibara ni 8 bits, naho umwanya wibara utwikiriye ecran kuri 35%.

Itandukaniro riri hagati ya 4K na 2K

HDTV zimaze imyaka mirongo zikoreshwa. Uyu munsi, nta bikoresho bya tereviziyo bitagaragaza imiterere ya 720p. “P” bisobanura ubwoko bw’amashusho atera imbere. Nubundi buryo, bwerekanwe hamwe. Imirongo idasanzwe ndetse n’imirongo irerekanwa muburyo bumwe. Ibi bivamo ubwiza bwibishusho. Ijambo 4000 pigiseli ni imiterere yerekana ifite ubugari bwagutse. UHD ni 4k. Itandukaniro nuko ikwiriye cyane kubakoresha na tereviziyo hamwe na 2k. Nkigisubizo, DCI ifatwa nkibipimo byumwuga wabigize umwuga, bipima 4096 x 2160 pigiseli. UHD ni igipimo gifite imiterere ya 3840 x 2160 pigiseli. Hano hari format ya 8k kuri 7620 x 4320 pigiseli. Itanga ishusho itagira inenge.

Ibyiza nibibi bya 4k gukemura iyo bikoreshejwe kuri TV

4k ikemurwa ritanga ultra-clear ishusho irambuye mukongera pigiseli yubucucike kuri ecran ya milimetero. Igipimo cyo guhanagura ni frame 120 kumasegonda. Ishusho nkiyi itanga imbaraga nke mumaso, cyane cyane iyo umuntu areba televiziyo igihe kinini nisaha. 4k imyanzuro itanga urutonde rwamabara yimbitse, akungahaye. Itezimbere ishusho igaragara mubice byombi byijimye kandi byijimye bya ecran. Imiterere itanga amajwi meza. Nta gushidikanya inyungu zabakoresha za Ultra HD TV ni ibintu bikurikira:

1. Imiterere irashobora gukoreshwa mumikino ya videwo yagutse, matrices ya mudasobwa; Mugaragaza igucengera mubyukuri nta kirahure kidasanzwe.
2. Matrix ikora ubwoko butatu bwibishusho abareba basuzuma kuva umwanya uwariwo wose; kuri stereo ntukeneye ibirahure.
3. TV irashobora kurebwa intera ngufi, ibi biterwa no kwiyongera inshuro enye mumashusho ya ecran.

Akarusho nigihe cyo gushobora gushyira TV munzu nto ifite agace gato k’ibyumba.

Ingaruka nyamukuru yo gukemura 4k niyongerekana risabwa kugirango ubuziranenge bwibimenyetso. Ibi biganisha kubintu bike bitangwa mubwiza bwakoreshejwe. Hano hari firime zidasanzwe no kwerekana kuri YouTube zishobora gukoreshwa kuri moderi ya 4k. Kuri Netflix hari firime zirimo urukurikirane rwishyuwe, ruhenze. Megogo ifite ibintu byinshi-bisobanura byinshi.

Ni izihe TV zikoresha 4k

4K imyanzuro nimwe murwego rwohejuru kandi rusobanutse. Turabikesha, urashobora kureba gahunda za TV hamwe no kurushaho gusobanuka. Ibyiza byiki cyemezo biratandukanye cyane nibisobanuro birambuye, bikora ingaruka ya 3D udakoresheje ibirahuri bidasanzwe. Uyu munsi, imyanzuro ya 4K iraboneka muburyo bwa TV bukurikira: Xiaomi Mi TV 4S65 T2S 65, LG 43UM7020 43, Samsung UE43TU8000U, Samsung UN78KS9800, LG 43UK6200, LG 50UN73506LB, BBK 4ZLEX-8161 / UTS2C. Birakwiye ko twerekana ko TV zose zifite imiterere ya 4k zifite sisitemu “yubwenge” ituma bishoboka kureba ibiri muri videwo, ibikubiyemo amafoto no gukoresha interineti, porogaramu n’imikino. Ndashimira ubufatanye butaziguye bwabateza imbere ibipimo hamwe nababikora, abaguzi, amaherezo, babona ibintu byiza. Agahimbazamusyi kubakoresha ni uburyo bwiza bwa firime icyarimwe zerekanwa muri sinema. Kugirango usobanukirwe neza ubushobozi bwa 4k TV, ibintu bimwe bigomba kuba byujujwe. Igikoresho kigomba kugira diagonal yagutse. Igomba byanze bikunze kuba yubatswe kuri 4k TV yerekana amakuru yerekana amashusho aboneka. Ubwanyuma, umuntu azakira imbonankubone hamwe nishusho-yuburyo butatu, aho amabara yanduzwa umutobe, mubisanzwe. [ibisobanuro id = “umugereka_2323” align = “aligncenter” ubugari = “511”] Igomba byanze bikunze kuba yubatswe kuri 4k TV yerekana amakuru yerekana amashusho aboneka. Ubwanyuma, umuntu azakira imbonankubone hamwe nishusho-yuburyo butatu, aho amabara yanduzwa umutobe, mubisanzwe. [ibisobanuro id = “umugereka_2323” align = “aligncenter” ubugari = “511”] Igomba byanze bikunze kuba yubatswe kuri 4k TV yerekana amakuru yerekana amashusho aboneka. Ubwanyuma, umuntu azakira imbonankubone hamwe nishusho-yuburyo butatu, aho amabara yanduzwa umutobe, mubisanzwe. [ibisobanuro id = “umugereka_2323” align = “aligncenter” ubugari = “511”]
Samsung UE50RU7170U ikora muburyo bwa 4k [/ caption]

2K gukemura, HD, hd yuzuye, UHD, 4K na 8K – itandukaniro

Televiziyo isobanutse neza cyangwa HD nibisanzwe bikoreshwa mumyaka 15 ahantu hose. Irerekana imiterere ya 720p cyangwa 1280×720 pigiseli. Nyamara, 90% ya TV kumasoko uyumunsi ashyigikira Full HD. Ibi bivuze ko yerekana pigiseli 1080p cyangwa 1920×1080. “R” – gutera imbere mubisobanuro bivuye mucyongereza. Bisobanura ko ishusho ya buri kintu ikurikirana. Buri murongo wikadiri ushushanyije muburyo burambuye. Ubundi inyuguti “R” ni “i”. Igereranya kubisikana. Ibi biri kurwego rwa HDTV muri 1080i. Odd hamwe nimirongo irerekanwa murwego rumwe. Ibi biganisha ku kwangirika kugaragara mubyiza byamashusho. UHD cyangwa Ultra HD ni kimwe na 4K. Ibidasanzwe ni uko itanga umubare muto w’ududomo – 3840 × 2160 utudomo (2K). 4K ni umusimbura wa 2K, cyakozwe na DCI kandi gitanga inshuro nyinshi kunoza imyanzuro. 4k, Ultra High-Definition cyangwa Ultra High Definition – ubushobozi bwigikoresho cyo gusohora amashusho kubakurikirana hamwe na TV hamwe na porogaramu. Nibisubizo bya videwo hamwe nifoto cyangwa indi shusho.
Hariho na format ya Ultra yuzuye. Akenshi bita 8K, ifite imiterere ya 7620 x 4320 pigiseli. Hano hari TV nyinshi zifite iyi parameter kuri enterineti. Ariko, kugirango ubyishimire, ukeneye diagonal ya santimetero 85 kuri TV. Ibyiza byimiterere biragaragara kumurongo utandukanye wabakoresha kuva kuri ecran (hamwe na diagonal ya santimetero 20 kugeza 130). Intera ya metero 12, ibipimo byose bisa. Ku ntera igera kuri metero 10, ibyiza bya 720p biragaragara, ku ntera igera kuri metero 7.5 – 1080p, no ku ntera igera kuri metero 5 – 4k. Imiterere kubisanzwe byose ni bimwe: diagonal ya TV iri hagati ya santimetero 50 na 140. Bitabaye ibyo, ntibishoboka gusuzuma inyungu. Ni irihe tandukaniro riri hagati ya 2K, 4K, 8K imyanzuro mumibare na pigiseli: https://youtu.be/cUWkH_qV5Lg