Tekereza kureba firime ukunda muburyo butangaje, hamwe namabara agaragara n'amashusho yunvikana nkukuri. Murakaza neza ku isi ya 4K TV ! Ariko mubyukuri 4K ni iki, kandi ni ukubera iki ihindura uko tureba TV? Muri iyi nyandiko, uzamenya icyo 4K TV isobanura, ushishoze ubwihindurize bwibyemezo bya TV, hanyuma umenye impamvu 4K ari amahitamo akunzwe muri iki gihe.
Gusobanukirwa 4K Icyemezo
Ibisobanuro bya 4K Icyemezo
4K imyanzuro yerekana kwerekana ibyerekanwe hafi ya 4000 pigiseli hejuru ya horizontal. Kuri TV, mubisanzwe bivuze pigiseli 3840 z'ubugari na 2160 pigiseli z'uburebure. Iki cyemezo gikunze kwandikwa nka 2160p, byerekana vertical pigiseli ibara. Ugereranije na Full HD (1080p), ifite 1920 kuri 1080 pigiseli, 4K ipakira inshuro enye pigiseli nyinshi mumwanya umwe. Iyi pigiseli ihanitse ibara ibisubizo bikarishye, birambuye birambuye, cyane cyane bigaragara kuri ecran nini.
Hariho ubwoko bubiri bwingenzi bwo gukemura 4K:
● DCI 4K (Sinema 4K): Ikoreshwa cyane cyane muri sinema yabigize umwuga, ipima pigiseli 4096 x 2160 kandi ifite igipimo kinini cyo gutunganya film.
● UHD 4K (Ultra High Definition): verisiyo yumuguzi ifite 3840 x 2160 pigiseli, isanzwe muri TV, gutambuka, no gukina.
Itandukaniro Hagati ya 4K na UHD
Mu mikoreshereze ya buri munsi, 4K na UHD zikoreshwa kenshi. Nyamara, UHD mu buryo bwa tekiniki yerekeza ku baguzi basanzwe ba 3840 x 2160 pigiseli, mu gihe 4K (muri cinema) yagutse gato kuri pigiseli 4096 x 2160. UHD ihuye na 16: 9 igipimo gisanzwe kuri TV, mugihe DCI 4K ikoresha igipimo kinini cya 1.85: 1 ikwiranye na firime.
Ishyirahamwe ry’ikoranabuhanga ry’abaguzi ryerekana ku mugaragaro ibipimo by’abaguzi nka 'Ultra High Definition ' (UHD). Nubwo bimeze gurtyo, '4K ' ikomeza gukundwa kuko byoroshye kwibuka no kwisoko. Noneho, iyo ubonye '4K TV ' cyangwa 'UHD TV, ' mubisanzwe basobanura imyanzuro imwe yo gukoresha murugo.
Gereranya nizindi myanzuro
Dore kugereranya byihuse ibyemezo bya TV bisanzwe kugirango tumenye aho 4K ihuye:
Icyemezo |
Pixel (Ubugari x Uburebure) |
Pixel zose (Hafi.) |
Inyandiko |
HD (720p) |
1280 x 720 |
Miliyoni 0.9 |
Urwego rwinjira HD |
HD Yuzuye (1080p) |
1920 x 1080 |
Miliyoni 2.1 |
HD isanzwe kumyaka |
4K UHD |
3840 x 2160 |
Miliyoni 8.3 |
Inshuro enye Byuzuye HD pigiseli |
8K UHD |
7680 x 4320 |
Miliyoni 33.2 |
Inshuro enye pigiseli 4K, idasanzwe |
4K imyanzuro itanga gusimbuka cyane mubucucike bwa pigiseli ugereranije na 1080p, bivuze ko amashusho asa neza kandi arambuye. Ibi bituma 4K iba nziza kuri ecran nini (santimetero 40 no hejuru), aho pigiseli yinyongera ibuza ishusho kureba pigiseli.
Ubushishozi bw'inyongera
Enc Ubucucike bwa Pixel: Pikeli ntoya muri 4K TV irema ishusho yoroshye, igabanya pigiseli igaragara.
● Upscaling: TV 4K irashobora kuzamura ibintu biri munsi-1080p kugirango yuzuze ecran, nubwo ubuziranenge buterwa nimbaraga zo gutunganya TV.
● Ibihe bizaza: 4K nuburyo bugezweho busanzwe, hamwe 8K iracyagaragara kandi ihenze.
Icyitonderwa: Mugihe uhisemo 4K TV, wemeze imyanzuro ni 3840 x 2160 pigiseli kugirango urebe ko yujuje ubuziranenge bwa UHD busanzwe mubikoresho bya elegitoroniki.
Ibiranga TV 4K
Ubucucike bwa Pixel
Kimwe mu bintu byingenzi biranga TV ya 4K ni ubwiyongere bwa pigiseli. Kubera ko 4K ikemura bisobanura gupakira pigiseli zigera kuri miliyoni 8.3 kuri ecran, pigiseli ni nto cyane kandi yegereye hamwe ugereranije na TV 1080p. Ibi bivamo ishusho yoroshye, ityaye aho ibisobanuro byiza bigenda bigaragara neza. Kurugero, urashobora kubona amababi kugiti cye cyangwa ibiti kumyenda neza. Iyi mikorere iragaragara cyane cyane kuri ecran nini hejuru ya santimetero 40, aho imyanzuro yo hasi ishobora kugaragara neza cyangwa itagaragara.
Amabara meza kandi asobanutse
4K TV akenshi izana tekinoroji yambere yamabara ituma amashusho asa neza kandi nkubuzima. Moderi nyinshi zishyigikira amabara yagutse, bivuze ko zishobora kwerekana amabara menshi kuruta TV ya HD isanzwe. Ibi bisobanura umutuku ukize, ubururu bwimbitse, nicyatsi kibisi. Amabara agaragara neza kandi neza, atezimbere muri rusange. Ufatanije na 4K imyanzuro, ibi bituma firime, siporo, nimikino birushaho kuba byiza kuko ishusho isa nubuzima busanzwe.
Kunoza itandukaniro hamwe nubujyakuzimu
Ikindi kintu cyingenzi kiranga TV 4K ni kunoza itandukaniro no kwiyumvisha ubujyakuzimu. Amaseti menshi ya 4K ashyigikira High Dynamic Range (HDR), izamura itandukaniro riri hagati yumukara wijimye n'abazungu cyane. Ibi birema ishusho yingirakamaro hamwe nibisobanuro birambuye mugicucu no kumurika. Iyo ureba amashusho afite amatara akomeye - nk'izuba rirenze cyangwa icyumba cyaka cyane - HDR ifasha guhishura amakuru yoroheje yatakara kuri TV zitari HDR. Byongeye kandi, tekinoroji nka dimming yaho ihindura urumuri rwa zone zitandukanye za ecran, kuzamura itandukaniro no gutanga amashusho mubwimbitse.
Inyungu za 4K TV
Ubwiza bw'Ishusho
4K TV zitanga ubuziranenge bwamashusho mugutanga inshuro enye pigiseli ya TV yuzuye (1080p). Ibi bivuze ko amashusho agaragara neza, asobanutse, kandi arambuye. Uzabona imiterere myiza, nk'imyenda cyangwa amababi ku biti, bitagaragara gusa kuri ecran yo hasi. Ubucucike buri hejuru ya pigiseli bugabanya pigiseli, cyane cyane kuri ecran nini, bigatuma kureba birushimisha. Haba kureba firime, siporo, cyangwa imikino, ubwumvikane buke buzana ibintu byose mubuzima.
Kureba Ubunararibonye
Ikirangantego kinini cya 4K TV kirema uburambe. Kuberako ishusho ityaye kandi irambuye, urumva wegereye ibikorwa. Televiziyo nyinshi 4K nazo zishyigikira High Dynamic Range (HDR), izamura itandukaniro hamwe nibara ryiza. HDR yerekana amakuru arambuye mu gicucu cyijimye kandi kimurika, wongeyeho ubujyakuzimu ku ishusho. Uhujije hamwe nudukino twinshi twamabara, ibi bituma amashusho arusha ubuzima kandi ashimishije. Igisubizo nubunararibonye bwo kureba bugukurura mu nkuru cyangwa umukino, bigatuma wumva ko ari ukuri.
Kazoza-Kwemeza Imyidagaduro yawe
Gushora imari muri 4K TV bifasha ejo hazaza-imyidagaduro. 4K ubu ni inzira nyamukuru, hamwe nibintu byinshi bishya, urubuga rutambuka, hamwe na kanseri yimikino ibishyigikira. Mugihe ibirimo 4K bimaze kumenyekana, kugira TV 4K byemeza ko ushobora kwishimira ibiganiro bigezweho, firime, nimikino muburyo bwateganijwe. Nubwo muri iki gihe ureba ahanini 1080p yibirimo, 4K TV izamura amashusho yo hasi-yerekana neza, bikanoza isura yabo. Guhitamo 4K bivuze ko TV yawe izakomeza kuba ingirakamaro igihe kirekire, itinda gukenera kuzamurwa.
![4K TV]( "4K TV")
4K Ikoranabuhanga rya TV
Urwego rwohejuru (HDR)
High Dynamic Range, cyangwa HDR, ni umukino uhindura TV ya 4K. Itezimbere itandukaniro riri hagati yabazungu baka cyane nabirabura bijimye, bigatuma amashusho agaragara hamwe nubuzima bwimbitse. HDR nayo yagura ibara ryurwego, urabona rero amabara akize, menshi cyane. Ibi bivuze ko izuba rirenga risa neza cyane, igicucu kigaragaza ibisobanuro birambuye, kandi amashusho meza ntabwo yoza. Televiziyo nyinshi 4K zishyigikira imiterere ya HDR nka HDR10, HDR10 +, na Dolby Vision, buri kimwe gitanga iterambere rito. Kuburambe bwiza, TV yawe nibirimo ureba bigomba gushyigikira HDR. Serivise nyinshi zitemba hamwe na Ultra HD Blu-imirasire itanga HDR, byoroshye kwishimira inyungu.
OLED na QLED Ikoranabuhanga
Iyo ugura TV ya 4K, uzakunze kubona tekinoroji ya OLED na QLED yavuzwe. OLED (Organic Light Emitting Diode) TV ikoresha pigiseli yo kumurika, bivuze ko buri pigiseli itanga urumuri rwayo. Ibi bituma abirabura batungana kuko pigiseli irashobora kuzimya burundu. Igisubizo ni itandukaniro ridasanzwe, amabara yimbitse, hamwe no kureba impande zose. OLEDs ninziza kubakunzi ba firime bashaka ubuziranenge bwamashusho.
QLED (Quantum Dot LED) TV, kurundi ruhande, koresha urwego rwumwanya wa kwant kugirango uzamure urumuri nukuri. Bashingira kumuri LED ariko bagatanga amashusho meza hamwe namabara meza ugereranije na TV zisanzwe LED. QLEDs ikunze kuba nziza kurusha OLEDs, bigatuma ibera ibyumba byiza. Tekinoroji zombi zitanga ubunararibonye bwa 4K ariko ziratandukanye mubwiza, itandukaniro, nibiciro byibiciro.
Ikoranabuhanga ryaho rya Dimming na Lighting
Dimming yaho ni ikintu gitezimbere itandukaniro kuri TV ya LED ishingiye kuri 4K. Ikora mukugabanya ibice bya ecran bigomba kuba umwijima mugihe hagumye ahantu hakeye. Ibi byongera ubujyakuzimu bwishusho kandi bikarinda umukara wumukara usanzwe muri TV zidafite aho zihurira. Nibice bya dimingi byaho TV ifite, nibyiza birashobora kugenzura umucyo neza.
Hariho ibintu bibiri byingenzi bimurika inyuma: urumuri-rwuzuye kandi rwuzuye. Televiziyo yaka impande zifite LED zikikije impande za ecran, bigatuma zoroha ariko ntizisobanutse neza mugucunga amatara. Televiziyo yuzuye ishyira LED inyuma ya ecran, itanga uburyo bwiza bwo gucana no kumurika. Moderi zimwe zo murwego rwohejuru zikoresha mini-LED, ntoya kandi nyinshi LED, itanga ndetse no kugenzura neza amatara no kunoza ubwiza bwamashusho.
Gutemba no Kureba Ibirimo 4K
Ibisabwa byo gutemba 4K Ibirimo
Gutemba ibintu 4K bisaba guhuza byihuse kandi bihamye. Amahuriro menshi atemba arasaba umuvuduko byibura 25 Mbps kugirango utange neza 4K gukina neza. Gukoresha insinga ya Ethernet ihuza na TV yawe cyangwa igikoresho cya streaming akenshi bitanga imikorere yizewe. Umuyoboro udafite insinga urashobora gukora ariko biterwa cyane nimbaraga za router yawe hamwe numuyoboro mugari. Niba Wi-Fi yawe idakomeye cyangwa yuzuye, imigezi ya 4K irashobora guhagarara cyangwa kumanuka kugirango imyanzuro igabanuke.
Usibye umuvuduko, igikoresho cyawe cyangwa TV byubwenge bigomba gushyigikira gukina 4K hamwe na codec ya videwo ikenewe, nka HEVC (H.265). Amashanyarazi menshi mashya ya TV nibikoresho nka Roku, Amazon Fire Stick 4K, cyangwa Apple TV 4K biza kwitegura 4K. Kandi, reba niba TV yawe ishyigikira imiterere ya HDR nka HDR10 cyangwa Dolby Vision, kubera ko imigezi myinshi ya 4K irimo HDR kugirango ireme neza.
Amahitamo yibitangazamakuru bifatika kuri 4K
Niba ushaka ubunararibonye bwo hejuru 4K, itangazamakuru ryumubiri nka Ultra HD Blu-ray disiki ikomeza guhitamo neza. Iyi disiki itanga bitrate irenze gutembera, bikavamo amashusho atyaye, amabara meza, nibikorwa byiza bya HDR. Ultra HD Blu-ray ikinisha iraboneka cyane kandi irahuza na TV nyinshi 4K.
Itangazamakuru ryumubiri naryo ryirinda ibibazo bijyanye na interineti nka buffering cyangwa compression ibihangano. Kuri cinephile cyangwa ubucuruzi bukeneye ubuziranenge bwibishusho, Ultra HD Blu-imirasire itanga igisubizo cyizewe. Byongeye kandi, bimwe mubikinisho byimikino nka PlayStation 5 na Xbox Series X inshuro ebyiri nkabakinnyi ba Ultra HD Blu-ray, bahuza imikino na 4K itangazamakuru ryibikoresho mugikoresho kimwe.
Amahuriro azwi cyane atanga 4K Ibirimo
Serivise nyinshi zitanga ubu zitanga amasomero manini ya 4K. Netflix, Video Yambere ya Amazone, Disney +, Apple TV +, na Hulu bitanga firime zitandukanye, ibiganiro bya TV, hamwe na documentaire muri 4K. Amahuriro amwe arasaba kwiyandikisha kuri premium plan kugirango agere kubirimo 4K.
YouTube kandi yakira amashusho menshi yukoresha-yoherejwe na 4K, harimo ingendo, kamere, hamwe nikoranabuhanga. Kubirori bizima, urubuga nka YouTube TV na FuboTV rimwe na rimwe ruhuza siporo n'ibitaramo muri 4K.
Serivisi zo gukina nka Xbox Game Pass na PlayStation Network ziranga imikino itezimbere kuri 4K yerekanwe. Hamwe na TV 4K, urashobora kwishimira gukina, gutembera, nibitangazamakuru bifatika byose mubisobanuro birenze urugero.
Kugura Ubuyobozi bwa 4K TV
Ibintu ugomba gusuzuma mugihe ugura
Guhitamo 4K TV birashobora kumva bikabije hamwe namahitamo menshi aboneka. Wibande kuri ibi bintu byingenzi kugirango ubone ibyiza:
Size Ingano ya ecran: Reba ingano yicyumba nintera yo kureba. Ibinini binini (santimetero 55 no hejuru) byunguka byinshi muburyo bwa 4K.
● Kuvugurura igipimo: Reba ibiciro bya kavukire bya 60Hz cyangwa 120Hz. Ibiciro biri hejuru bigabanya umuvuduko, byiza kuri siporo cyangwa imikino.
Support Inkunga ya HDR: Menya neza ko TV ishyigikira imiterere ya HDR nka HDR10, HDR10 +, cyangwa Dolby Vision kugirango itandukanye neza kandi ifite amabara meza.
Features Ibiranga ubwenge: Reba niba sisitemu y'imikorere ya TV ishyigikira porogaramu ukunda kandi ifite interineti itangiza.
● Guhuza: Ibyambu byinshi bya HDMI 2.0 cyangwa 2.1 nibyingenzi muguhuza imiyoboro yimikino, imashini ya Blu-ray, cyangwa sisitemu yijwi.
Quality Upscaling Quality: Moteri nziza yo kuzamura iteza imbere ibyemezo-byo hasi, bigatuma amashusho 1080p cyangwa 720p asa neza kuri ecran ya 4K.
● Kureba Inguni: TV za OLED mubisanzwe zitanga impande nini zo kureba ugereranije na LED / LCD TV, tekereza rero niba ureba TV ahantu hatandukanye.
Quality Ubwiza bw'amajwi: Abavuga bavuga buratandukanye cyane. Urashobora kwifuza amajwi cyangwa sisitemu y'amajwi yo hanze kugirango ubone uburambe.
Ibicuruzwa byo hejuru kuri TV 4K
Ibirango byinshi byigaragaza kubyara TV nziza cyane. Dore amazina yizewe:
● Samsung: Azwiho ikoranabuhanga rya QLED, umucyo mwiza, n'amabara meza. Televiziyo ya Samsung ikunze kwerekana urubuga rukomeye rwubwenge.
● LG: Umuyobozi muri TV za OLED, atanga abirabura beza kandi bareba impande zose. LG kandi itanga amahitamo akomeye ya LED na NanoCell.
● Sony: Azwiho gutunganya amashusho meza cyane kandi neza. Sony TVs ni indashyikirwa mu gukora no gukora HDR.
● TCL: Itanga ingengo yimari ya 4K TV ifite ubuziranenge bwamashusho kandi yubatswe muri Roku ifite ubwenge bwa TV.
● Hisense: Ikindi kirango gihenze gifite panne nziza ya 4K nibiranga, bikwiranye nabari kuri bije.
Ibitekerezo
4K TV ziza mubiciro byinshi. Dore uburyo bwo kwegera ingengo yimari:
● Kwinjira-Urwego ($ 300- $ 600): Televiziyo yibanze ya 4K ifite ubuziranenge bwamashusho, mubisanzwe LED paneli hamwe na HDR10. Nibyiza kubareba bisanzwe.
● Hagati ($ 600- $ 1,200): Ibara ryiza neza, inkunga yagutse ya HDR, hamwe no kuzamura hejuru. Akenshi ushizemo QLED cyangwa tekinoroji nziza ya LED.
End End-End ($ 1,200 +): OLED cyangwa premium QLED TV zifite imiterere ya HDR igezweho, ibiciro byo kugarura ubuyanja, hamwe nubwubatsi bwiza. Nibyiza kubakunzi.
Wibuke, ibiciro bihindagurika mugihe cyo kugurisha nka vendredi y'umukara cyangwa kuzamura ibiruhuko. Kandi, tekereza kubiciro byinyongera nkamajwi cyangwa urukuta.
Umwanzuro
4K TV zitanga ubuziranenge bwibishusho hamwe na pigiseli yuzuye, amabara meza, hamwe no gutandukanya neza. Zitanga ubunararibonye bwo kureba hamwe nigihe kizaza-cyerekana imyidagaduro yawe. Gushora imari muri 4K TV byemeza ko wishimiye ibintu bigezweho mubisobanuro bihanitse. Reba moderi ifite inkunga ya HDR hamwe nibintu byateye imbere kuburambe bwiza. Feilong itanga TV zidasanzwe 4K zitezimbere imyidagaduro yo murugo hamwe nikoranabuhanga rigezweho, ritanga abakiriya agaciro ntagereranywa no kunyurwa neza.
Ibibazo
Ikibazo: 4K isobanura iki kuri TV?
Igisubizo: TV ya 4K yerekeza kuri tereviziyo ifite imiterere ya 3840 x 2160 pigiseli, itanga inshuro enye ibisobanuro bya TV byuzuye (1080p), bikavamo amashusho atyaye kandi arambuye.
Ikibazo: Nigute 4K TV yongerera uburambe bwo kureba?
Igisubizo: 4K TV yongerera imbaraga kureba hamwe nubuziranenge bwibishusho, amabara meza, hamwe no gutandukanya itandukaniro, bitanga uburambe bwimbitse, cyane cyane kuri ecran nini.
Ikibazo: Kuki nkwiye gushora imari muri TV 4K?
Igisubizo: Gushora imari muri 4K TV bizaza-byerekana ko washyizeho nka 4K nicyo gipimo kigezweho, cyemeza guhuza nibintu bishya, serivisi zitembera, hamwe na kanseri yimikino.
Ikibazo: Ese TV ya 4K ihenze kuruta iyindi myanzuro?
Igisubizo: 4K TV ziraboneka mubiciro bitandukanye, uhereye kubintu byorohereza ingengo yimari kugeza murwego rwohejuru, bitanga ibintu bitandukanye na tekinoroji nka OLED cyangwa QLED.
Ikibazo: Ese 4K TV ishobora kuzamura ibice byo hasi?
Igisubizo: Yego, TV nyinshi za 4K zifite ubushobozi bwo kuzamura ibintu kugirango zongere imiterere-yo hasi nka 1080p, itezimbere isura yayo kuri ecran ya 4K.
