4K Ultra HD ili pano: Chimene chiri ndi zomwe zikutanthauza kuyang'ana kwanu pa TV
4K imatanthawuza chimodzi mwa ziganizo ziwiri zapamwamba kwambiri: 3840 x 2160 pixels kapena 4096 x 2160 pixels. 4K maulendo anayi pazitsulo za pixel, kapena kawiri kawiri pamasulidwe (2160p), a 1080p (1920 x 1080 pixels) . Zomwe ziganizo zapamwamba zogwiritsa ntchito ziri 720p ndi 1080i .
Kukonzekera kwa 4K kumagwiritsidwa ntchito mu zamalonda zamakina mafilimu pogwiritsa ntchito njira ya 4096 x 2160, kumene mafilimu ambiri amawombera kapena kulemera mu 4K powonjezeka kuchokera ku 2K (1998 x 1080 kwa 1.85: 1 chiŵerengero cha 2048 x 858 cha 2.35: .
Pansi pa makalata awiri ogula ogula ntchito, Ultra HD ndi UHD, 4K imakhazikitsidwa bwino ku nyumba yosungiramo nyumba, pogwiritsa ntchito njira ya 3840 x 2160 pixel, kupyolera mwa chiwerengero chowonjezeka cha omvera masewera apanyumba omwe ali ndi 4K kudutsa ndi / kapena 4K video upscaling mphamvu, komanso ma TV, makina opanga mavidiyo , ndi zipangizo zamagetsi, monga mafilimu opanga mafilimu, Ultra HD Blu-ray Players, ndi osewera a Blu-ray Disc omwe amagwiritsa ntchito 4K kukweza.
Kuwonjezera pa Ultra HD kapena UHD, 4K imatchulidwanso muzakhalidwe monga 4K x 2K, Ultra High Definition, 4K Ultra High Definition, Quad High Definition, Quad Resolution, Quad High High Definition, QFHD, UD, 2160p
Chifukwa chiyani 4K?
Chomwe chimapanga 4K chofunika ndi chakuti pogwiritsira ntchito kukula kwazithunzi zojambula pa TV komanso makanema a kanema, imapereka zithunzi zowonjezera komanso zochepa kwambiri kuposa zithunzi 1080p. 1080p imayang'ana kwambiri mpaka pafupifupi masentimita 65, ndipo imatha kuyang'ana zabwino muzithunzi zazikulu zowonetsa, koma 4K akhoza kupereka chithunzi chowoneka bwino ngati kukula kwazithunzi kukupitiriza kuwonjezeka.
4K ikugwiritsidwa ntchito bwanji
Pali ma TV 4K Ultra HD omwe alipo , komanso pulojekiti yaying'ono ya 4K ndi 4K .
Zamakono 4K zimapezeka kuchokera kuzinthu zofalitsa zambiri, monga Netflix, Vudu, ndi Amazon, komanso kudzera mu mafilimu a Ultra HD Blu-ray ndi osewera . Ndikofunika kuzindikira kuti ngakhale pali magulu ambiri a Blu-ray disc omwe amatha kukwera ma CD 1080p Blu-ray ku 4K, kokha sewero la Ultra HD Blu-ray Disc lingathe kusewera ma diski omwe ali ndi chidziwitso cha 4K.
Pa njira yachingwe / satana, DirecTV imatha kupereka zonse zomwe zinalembedwera ndikukhala ndi ma 4K kudzera mwa satana kwa omwe akulembetsa (ngati ali ndi bolodi la satana lovomerezeka ndikulembera dongosolo). Pa mbali ya chingwe, zinthu ziri mu ntchito, koma palibe chodalirika panobe.
Komabe, kupititsa patsogolo pakompyuta pa TV ndiko kumene zinthu zikugwera. Ma TV 4K akuyesedwa ndi South Korea akutsogoleredwa ndi US. Komabe, vuto lalikulu ndilokuti zipangizo zamakono zogwiritsira ntchito zipangizo zamagetsi sizikugwirizana ndi ma TV.
Kuti mudziwe zambiri zokhudza kupita patsogolo kwa TV ya 4K, tchulani nkhani yathu: ATSC 3.0 - Ulendo Wotsatira Mu TV .
Kodi 4K kwenikweni Imatanthauza Chiyani kwa Ogulitsa
Kupezeka kwowonjezereka kwa 4K kumapereka ogulitsa kwambiri kumasintha kanema kanema kawonetsedwe ka mawonekedwe akuluakulu owonetsera, ndipo akhoza kuchepetsa kwambiri owonerera kuti awone dongosolo la pixel looneka pazenera pokhapokha mutadziyika nokha kwambiri. Izi zimatanthawuza ngakhale mpweya wozama ndi kuya. Pogwiritsa ntchito masewera olimbitsa thupi ofulumira, 4K amatha kufotokoza mozama monga 3D - popanda kufunikira magalasi.
Kukhazikitsidwa kwa Ultra HD sikupanga 720p kapena 1080p TV yosavuta (ngakhale, monga 4K Ultra HD TV kugulitsa amalonda ndi mitengo ina pansi, zochepa TV 720p ndi 1080p akupangidwira), ndipo TV panopa TV chithandizo adzakhala musatayidwe nthawi yomweyo, monga momwe ATSC 3.0 ikuyamba kupezeka kuti igwiritsidwe ntchito kufalitsa uthenga.
Inde, monga momwe zinalili ndi kusintha kwa DTV ya 2009, pangakhale tsiku ndi nthawi zina zomwe 4K zingakhale nyengo yosasinthika ya TV, koma izi zikutanthauza kuti zipangizo zambiri ziyenera kukhalapo.
Phunzirani zambiri za kukhazikitsidwa kwa 4K pamasewera, masewera, ndi maulendo ofalitsidwa m'nkhani yathu: Zimene Mukufunikira Kuwona Mapulani a 4K Pa An Ultra HD HD TV
Ngati mukumva kuti mwakonzeka kulumphira mu 4K, yang'anani mndandanda wathu wa Best 4K Ultra HD TV .
Pambuyo pa 4K ndi Ultra HD
N'chiyani chomwe chikuposa 4K? Nanga bwanji 8K? 8K nthawi khumi ndi makumi asanu ndi limodzi (1080p) yothetseratu . Ma TV ena 8K akhala akuwonetsedwa zaka zingapo zapitazo ndipo pali oyang'anira 8K omwe akugwiritsidwa ntchito kwa akatswiri a ntchito, koma zosankha zogula kwambiri kwa ogula akadali njira zina kutali - mwinamwake mu 2020 mpaka 2025 nthawi.
Video Resolution vs Megapixels
Pano ndi momwe mungagwirizanirane ndi chigamulo cha 1080p, 4K ndi 8K ku ndondomeko ya pixel ya ngakhale digito yamtengo wapatali kwambiri makamera:
- 1080p (1920x1080) ndi ma digapixels 2.1.
- 4K (3840 x 2160 kapena 4096 x 2160) ndi pafupifupi 8.5 megapixels.
- Ndi 8K (7680 x 4320 pixels - 4320p) kodi mumalowa muzithunzithunzi zapamwamba zamakono zamakina amamera - 33.2 megapixels. Mwinamwake mumatenga zithunzi ndi kuthetsa kwakukulu kuposa momwe mungawonere pawonekedwe lanu la TV pankhani ya mavidiyo.
Mtundu, Kusiyana, ndi Zambiri
Inde, zonsezi zatchulidwa, ndiwe amene akuyenera kukhutira ndi zomwe ukuwona pawunivesi yanu ya TV - ndondomeko ndi gawo limodzi, koma zinthu monga kusakaniza kanema ndi khalidwe lokwanira, kuwonetsera kwa mtundu, kuyankha kwa mdima wakuda, Kusiyanitsa, kukula kwazithunzi, komanso momwe TV ikuwonera mu chipinda chanu zonse ziyenera kuganiziridwa.
Kuti muwone bwinobwino momwe kusiyana ndi mtundu mukuyendera, pamodzi ndi chiganizo cha 4K, yang'anani zolemba zathu: HDR: Dolby Vision, HDR10, HLG - Zomwe Zikutanthawuza Owonerera TV ndi Kuwonetsera Mtundu ndi TV Yanu .