Ukukhetha ithelevishini yentsapho ngumsebenzi onzima, kuba ifunyenwe ixesha elide. Ukongeza kwimveliso engabonakaliyo kwimarike yeteknoloji yethelevishini, kukho iinkampani ezininzi ezahlukahlukeneyo ezibonelela ngeendlela ezahlukeneyo. Namhlanje i-4k TV, eyaqala ukuqaliswa kwihlabathi ngeJapan inkampani ye-NHK ngo-2004, iyanda kakhulu.
Ziziphi iiTV ezixhasa i-4k?
Uninzi lwethu, ukhetha ukuthenga iTV entsha, ufuna ukuthenga i-high quality device. Kungekudala, isikrini esona sikhulu sibe yi-HD epheleleyo kunye nesisombululo see-pixels ze-1920x1080. Ekuqaleni kwekhulu lama-21, ubugcisa obuphuculweyo be-4k okanye i-Ultra bubonakala, njengokuba kuthiwa. Ngoku, ukujonga umxholo wekhaya kule ndawo, udinga ii-TV ze-4K, eziveliswa ngabavelisi behlabathi abanjengo:
- Samsung;
- LG;
- I-Sony;
- Panasonic;
- Philips.
Ii-4k zeTV - into engcono?
Kwabo banquma ukukhetha i-4k TV, kufuneka uhlolisise inzuzo yale mizekelo. Umfanekiso, oboniswe kwisikrini sase-Ultra HD, ucacile ngakumbi kwaye icacile, kwaye imibala igcwele kwaye iyanzulu ngokuthelekisa enye kwi-HD epheleleyo, enceda ukudala umphumo ophezulu wobukho bombukeli. Ukutshintshelwa komthunzi omnye komnye kwiskrini se-4k ye-TV yanamhlanje kuvumela umbukeli ukuba acinge ngemibala eyahlukileyo. Iimodeli ezona ziphezulu kakhulu ziyaziwa ngemveliso yehlabathi.
Matrix 4k TVs
Kwimarike yangoku yee-TV ze-4k, iindidi ezimbini zamatrices zilawula: ii-VA kunye ne-IPS, enenzuzo elandelayo:
- I-VA (Ulungelelwaniso olufanayo) i-matrix ihambelana nomfanekiso ngokuzenzekelayo. Amakristal ayenziwayo, afumaneka kwi-screen ye-TV, enika imibala epheleleyo. Ama-crystals-free move afaka isandla ekubeni umfanekiso awuphikisi xa ushintsha i-angle yokubukela. Iimabonwakude kunye nomthamo onjalo zihle kakhulu kumagumbi anokukhanya okungahambi kakuhle.
- I-IPS (In-Plane Switching) matrix - kuyo yonke i-crystals ijikeleza ngexesha elifanayo kwaye ijikelezwe enye efanayo kwesikrini. Inika i-angle ebonakalayo enkulu, inkcazo ephakamileyo kunye nokukhanya, imibala enemibala ejulile. Nangona kunjalo, i-TV ene-4k, ene-matrix enjalo, iyabiza kakhulu kunamanye amanqaku.
Iskrini se-TV 4k
Ukugqiba ukuthenga i-4k TV, kufuneka ukwazi ukuba isisombululo (inani lamaphikseli okanye iipekseli ezenza umfanekiso) ukusuka kumzekelo oyithandayo. Izixhobo zethelevishini zesizukulwana esitsha 4k zinokwakheka kwesikrini esingu-3840x2160, esinezihlandlo ezine eziphakamileyo kunamanqaku angaphambili ase-FullHD. Ekubeni iipekseli kule sikrini zininzi kakhulu, kwaye ubukhulu bazo buncinane kakhulu, sibona umfanekiso ocacileyo kunye nomfanekiso ocacileyo onemifanekiso ecacileyo yazo zonke izinto.
I-TV ene-4k isisombululo sinomlinganiselo obuncinane wesikrini we-16: 9. Kukholelwa ukuba iphakamileyo isisombululo, ngcono iTV. Nangona kunjalo, oku akusoloko kunjalo. Ukuba uphawu olubuthathaka lufunyenwe kwi-TV enokusombululo esiphezulu, umzekelo, kwi-TV yomoya, ngoko kufuneka kudityaniswe ngokukodwa, kwaye umfanekiso weskrini unokuba lukhulu. Ngoko ke, xa uthengisa i-4k TV, qiniseka ukuba ukhangele izinga lokumkela ivenkile yesignali.
Isilinganiselo se-4k TV
Ukuba ufuna ukufumana ukuba yiyiphi i-TV ye-4k, ukwenza oko ngokufunda ukulinganiswa kwamanqaku avela kubakhiqizi abahlukeneyo:
- I-LG 43UH603V - inguqu yebhajethi enye, ene-screen-quality intsuku ezingama-43 kunye ne- Smart TV . Inkulu yokudlala iifayile ezinzima zevidiyo.
- I-Samsung - UE50KU6000K - i-TV enokuthengwa ngexabiso elikhulu, ebonisa ukukhanya okufanayo kwesikrini kunye nokulungelelanisa ngokuzenzekelayo.
- I-LG OLED55C6V - le ngqungquthela iingcali zijonga enye yezona zixhaphakileyo phakathi kwalabo abasebenzisa iteknoloji ye-HDR. Isikrini esilubileyo sale TV siyandisa umphumo wobungqina.
- Philips 49PUS7150 - umzekelo omhle weTV ekhaya kunye nomboniso ophezulu we-3D.
- I-SONY KD-65ZD9BU i-TV - ibonisa ngokugqibeleleyo kwigumbi elikhanyayo, ngelixa liphethe umgangatho ophezulu mfanekiso.
Zikude kangakanani ukukhusela i-4k TV?
Ukuze ufumane ukuba umgama onjani ukubukela i-4k TV, kufuneka unqume ukuba ubekaphi na apho abaphulaphuli baya kuhlala khona. Kuxhomekeke kulolu hlobo kwaye unokukhetha ukhetho olufanelekileyo lwe-TV, oluya kukhululeka kwaye lukhusele ukubukela ukusasazwa. Ngelo xesha, iingcali zithi inkulu isikrini, umgama omkhulu ukusuka kuyo ukuya kumbukeli. Ukujonga okubonakalayo kweTV nge-diagonal ka-81 cm kumgama we-1.27 m uqwalaselwa. Ukuba uhleli phantsi, awuyi kuqaphela ezinye iinkcukacha ezincinci, kwaye ngokusondeleyo - umfanekiso uya kubalwa.
Ukumisa i-4k TV
Naliphi na iTV entsha idinga ukusekwa. Ukwenza oku, kufuneka usebenzise umyalelo wencwadi oza kule modeli. AmaTV amaninzi kunye nenkxaso ye-4k ineendlela ezininzi zokucwangciswa kwee-preset, ezingasetyenziswa:
- zifudumele;
- pholile;
- umgangatho;
- eguqukayo.
Nangona kunjalo, imodeli yokugqibela ayikhuthazwa ukuba isebenzise, ngenxa yokuba i-oversaturated imibala ingcolisa iinkcukacha. Uhlu lwesethingi luquka ezi zikhombisi:
- Ukwahlula yinqanaba elifunekayo lombala omhlophe. Kulungele ukulungisa ukuhluka komfanekiso wefu: kuqala uyibeke kwizinga eliphezulu, kwaye unciphise umgangatho ukufezekisa okufunekayo.
- Ubumhlophe ngumyinge omnyama omele ube malunga ne-50%. Kukulungele ukutshintshisa ukukhanya kwiphina imifanekiso emnyama.
- Umbala - efakwe emfanekisweni kunye nombala ogqamile wombala. Emva koko uye kwisakhelo ngobuso bomntu uze ufeze umbala wendalo.
- Ubukhali - akufanele kube ngaphezu kwama-30%. Ukulungelelanisa, khetha umfanekiso kunye neendlela eziqhekezayo kwaye ukwandise le xabiso de kube i-halo iqalile kumida.
Ukuhlola i-4k TV
Xa uthenga i-4k TV, kufuneka uyihlolisise:
- Iipakethi kunye neeseti ezipheleleyo - ubukho beetambo, ipaneli yokulawula, iifilimu zokukhusela, amaxwebhu.
- Khangela iipekseli eziphukileyo ze-TV 4k zenziwe ngolu hlobo: siqala ukukhuphela imifanekiso yokuvavanya kwi-flash flash drive, ukuxhuma kwi-TV uze ufunde ngokucophelela umfanekiso ophelileyo. Iipikseli eziphukileyo zingabonwa kwikhrinophi yeso sikhokelo ngendlela yeendlela ezifaniyo.
- Ukuvavanya ukulingana kwe-backlight - akufuneki kubekho iiladidi ezibonakalayo kwesikrini somculo. Amaphuzu avelele kwimimitha yeskrini ivivinywa kwigumbi elimnyama, kunye nemigca yokuhlukezeka okunokwenzeka - kwisimo esisemgangathweni.
- Ukuhlolisisa i-TV ye-grayscale kwenziwe ngokuzenzekelayo kwisithombe somgca. Kule meko, ukuguqulwa kwee-shades akufanele kube bukhali okanye bubukhali.