I-TV ye-kinescope ithathelwe esikhundleni samanje amakhemikhali amakhemikhali namaplasma anesisombululo esiphezulu, kodwa ama-4K Ultra High-Definition amamodeli asekhona amasha emakethe yezimpahla zabathengi. Ingabe kufanelekile ukuthenga i-4K-TV - kulesi sihloko.
Kuthi ukuthini i-4K TV?
Yabizwa ngakho-ke ngenxa yesibonakaliso se-screen, okungama-Pixels angu-4000. Isixazululo ngesikhathi esifanayo ngu-3840x2160 amaphikseli, okwenzeke ngokuphindaphindiwe ngesinqumo esivele sijwayele se-1920x1080. Le fomethi yabonakala maduzane - ngo-2005, futhi kufanele kuthiwa iso lesintu ngeke lithole umehluko phakathi kwesinqumo esivamile futhi esisha, ikakhulukazi uma isinqumo sama-pixels angu-1080 sibonisa i-Blu-ray. Ngakho-ke, akungabazeki ukuthi kunengqondo yini ukuthenga i-TV ye-4K, ngoba manje nje akukho ama-discs we-Blu-ray, amapulatifomu anevidiyo yokusakaza, amashaneli we-TV, namakhamera wevidiyo alula noma aphansi ahambisana nesinqumo esinjalo.
Ngidinga i-TV 4K?
Wonke umuntu unquma lo mbuzo ngokwakhe, kodwa ukuze ajabulele isithombe sokucaca okucacile, ukuzizwa engxenyeni yesimo se-movie nokubamba konke ukugcwala kwemibala kanye nama-shades adlula komunye nomunye, kubalulekile ukuthi idivayisi efana ne-Blu-ray isidlali sikwazi ukudlulisela isignali esibukweni isivinini sama-60 ozimele ngomzuzwana, kodwa isikhathi asifinyeleleki ngenxa yokulinganiselwa komkhawulokudonsa wesiteshi nge-HDMI 1.4. Amakhodi alokhu nguqulo anciphisa isilinganiso sefreyimu ngesigamu, futhi ngalesi sivinini mayelana nokushelela kwevidiyo nazo zonke izinzuzo abakhiqizi abachazayo, omunye kufanele aphuphe kuphela.
Uma ucabangela ukuthi ungathenga i-TV ene-4K isinqumo, kudingeka ucabange ukuthi ngenxa yesizathu esifanayo, i-ultra-high resolution yevidiyo izoba nombala we-palette ompofu. Yiqiniso, abakhiqizi basebenza kulezi ziphutha futhi ukukhululwa kwenguqulo entsha ye-HDMI interface, ezobizwa nge-HDMI 2.0, ihlelwe maduzane. Uzobe esezitholakala ngesivinini samafremu angu-60 ngomzuzwana, kodwa kusengcono ukuthuthukiswa kwephalethi yombala kuyodingeka ulinde.
Yiqiniso, labo abangenayo umbuzo wemali bangathenga i-TV yesizukulwane esisha, naphezu kokuthi kubiza kabili ngaphezu kwamakhono weklasi-afana ne-HD-TV. Ngokufika kwendlela yokwenza ngcono, ivumelaniswe nezinto zangempela zanamuhla, futhi futhi ukuthenga i-TV entsha, ukuthatha elidala kudoti. Labo abangakalungeli ukuhlanganyela nemali yabo kufanele balinde kancane, ikakhulukazi kusukela ngaleso sikhathi intengo yama-4K-TV izokwehla kakhulu.