4K vs 1080p Ukuqhathaniswa Kwekhwalithi
Umhlahlandlela ophelele wokukusiza uqonde ukuqhathanisa kwekhwalithi engu-4k vs 1080p.
Ukuqonda Isixazululo: Isisekelo Sobuchwepheshe
Ukulungiswa kumelela inani lamaphikseli akha isithombe sedijithali noma ividiyo, okuthinta ngokuqondile ileveli yemininingwane nokucaca okubonakalayo esikrinini. I-1080p, eyaziwa nangokuthi i-Full HD, iqukethe amaphikseli avundlile angu-1,920 ngamaphikseli aqondile angu-1,080, ahlanganisa cishe amaphikseli ayizigidi ezingu-2.07. Lesi sinqumo bekuyindinganiso yokuqukethwe okunencazelo ephezulu iminyaka engaphezu kweshumi futhi sisasetshenziswa kabanzi kuwo wonke amapulatifomu okusakaza, amageyimu, nomabonakude osakazwayo. Ukulungiswa kwe-4K, okubizwa ngokobuchwepheshe ngokuthi I-Ultra High Definition (UHD), iqukethe amaphikseli angu-3,840 ngo-2,160, anengqikithi yamaphikseli alinganiselwa ezigidini ezingu-8.29. Lokhu kumele ngokuphindwe kane inani lamaphikseli angu-1080p, okuyilapho igama elithi “4K” livela khona. Ukuminyana kwamaphikseli okukhuphukile kuvumela imininingwane eyengeziwe ukuthi ishuthwe futhi iboniswe, okuyenza ibaluleke kakhulu ekubukweni kwesikrini esikhulu, ukwakhiwa kokuqukethwe okuphrofeshinali, kanye nezinhlelo zokusebenza ezidinga ukukhiqizwa kabusha kwemininingwane emihle.
Ikhwalithi Ebonakalayo Nomehluko Wemininingwane
Umehluko obonakalayo phakathi kwe-4K ne-1080p ubonakala kakhulu lapho ubuka okuqukethwe kuzikrini ezinkulu noma lapho uhlezi eduze nesibonisi. Kuzikrini ezingamayintshi angu-50 nangaphezulu, imininingwane eyengeziwe kokuqukethwe kwe-4K idala izithombe ezibukhali ngokuphawulekayo, ezinokucaca okuthuthukisiwe kwezakhiwo, izici zobuso, nezici ezinhle njengezinwele, indwangu, nemininingwane yezakhiwo. Le mininingwane ethuthukisiwe ibaluleke kakhulu kumadokhumentari emvelo, ukusakazwa kwezemidlalo, nokuqukethwe kwesinema lapho ukwethembeka okubonakalayo kubaluleke kakhulu. Nokho, inzuzo ecatshangwayo ye-4K incike kakhulu ebangeni lokubuka nosayizi wesikrini. Ezikrinini ezincane (ezingaphansi kwamayintshi angu-32) noma amabanga ajwayelekile okubuka igumbi lokuhlala (amafidi angu-8-10), iso lomuntu lingase libe nzima ukuhlukanisa phakathi kokuqukethwe okubhalwe ngekhodi kahle okungu-1080p no-4K. Indawo emnandi yokwazisa imininingwane ye-4K ivamise ukwenzeka uma uhlezi amafidi angu-4-6 ukusuka kusibonisi esingu-55-intshi noma esikhulu. Ukwengeza, ikhwalithi yezinto zomthombo nezindlela zokufaka ikhodi zingathinta kakhulu umehluko obonakalayo phakathi kwezixazululo.
Usayizi Wefayela Nezingqinamba Zesitoreji
Isibalo samaphikseli aphindwe kane kuvidiyo ye-4K sihumusha ngokuqondile kumasayizi wamafayela amakhulu kakhulu, ngokuvamile asuka ku-2.5 kuya ku-4 izikhathi ezinkulu kunokuqukethwe okulingana no-1080p, kuye nge-codec nezilungiselelo zokuminyanisa ezisetshenzisiwe. Imuvi evamile engu-1080p ingase ithathe u-4-8 GB wendawo yokugcina, kuyilapho okuqukethwe okufanayo ku-4K kungadinga u-15-30 GB noma ngaphezulu. Lokhu kwanda okumangalisayo kosayizi wefayela kunemithelela ebalulekile engqalasizinda yokugcina, izixazululo zokulondoloza, nezikhathi zokudlulisa. Kubadali bokuqukethwe nezingcweti ezisebenza ngamafayela evidiyo, imithelela yesitoreji idlulela ngalé kokukhishwayo kokugcina. Imifanekiso ye-4K eluhlaza, amafayela anikezelayo amaphakathi, nezimpahla zephrojekthi zingadla ngokushesha ama-terabytes esikhala sokulondoloza. Ihora elilodwa levidiyo ye-4K engacindezelwanga lingadlula u-500 GB, okwenza izixazululo zesitoreji esiqinile kanye nokugeleza komsebenzi wokuphatha ifayela okuphumelelayo kubalulekile. Ukwengeza, ukusebenza ngalawa mafayela amakhulu kudinga izingxenyekazi zekhompuyutha ezinamandla kakhulu ukuze zihleleke kahle kanye nezikhathi zokucubungula ngokushesha zokuhlinzeka nokuguqula imisebenzi.
Ukucatshangelwa komkhawulokudonsa nokusakaza
Ukusakaza okuqukethwe kwe-4K kudinga kakhulu umkhawulokudonsa omkhulu kuno-1080p, enezinkundla eziningi ezincoma ubuncane bezivinini ze-inthanethi ezingu-25-35 Mbps zokusakaza bukhoma kwe-4K okuzinzile, uma kuqhathaniswa no-5-8 Mbps we-1080p. Le mfuneko yomkhawulokudonsa ingaba yinkinga kumakhaya anezinhlelo ezilinganiselwe ze-inthanethi, abasebenzisi abaningi ngesikhathi esisodwa, noma ukuxhumana okungazinzile. I-Netflix, isibonelo, isebenzisa cishe u-3 GB ngehora ekusakazeni okungu-1080p kodwa ingadla kufikela ku-7 GB ngehora kokuqukethwe kwe-4K. Izimfuno ezikhulayo zomkhawulokudonsa nazo zithinta amanethiwekhi okulethwa kokuqukethwe kanye nengqalasizinda yokusakaza. Abahlinzeki kufanele balinganisele ikhwalithi nokufinyeleleka, ngokuvamile basebenzisa ukusakaza okuguquguqukayo okulungisa ngokuzenzakalelayo ukulungiswa ngokusekelwe kumkhawulokudonsa otholakalayo. Kubasebenzisi abanamakepisi wedatha noma abaxhumeke ku-inthanethi okunensa, i-1080p ivamise ukunikeza ukuzizwisa okuthembeke kakhulu kokubuka ngaphandle kwebhafa nokwehla kwekhwalithi okuhlotshaniswa nomkhawulokudonsa onganele wokusakaza kwe-4K.
Izidingo ze-Hardware kanye Nokuhambisana
Ukubonisa nokucubungula okuqukethwe kwe-4K kudinga ihadiwe enamandla kakhulu uma kuqhathaniswa ne-1080p. Amakhadi ezithombe, amaphrosesa, namadivayisi wokubonisa kufanele asekele ukulungiswa kwe-4K futhi abe namandla okucubungula anele ukuze asingathe ukukhushulwa kwedatha. Izingxenyekazi zekhompuyutha ezindala zingase zibe nzima ukudlala nge-4K, okuholela ekuweni kozimele, ukungingiza, noma ukungakwazi ukudlala okuqukethwe nhlobo. Amakhadi ezithombe aphakathi nendawo ukuya kokuphela okuphezulu ngokuvamile aphatha ukudlalwa kwe-4K kahle, kodwa ukuhlela noma ukudala okuqukethwe kwe-4K kufuna ukucaciswa kwezingxenyekazi zekhompuyutha eziqine nakakhulu. Ukuhambisana kudlulela ngalé kwamandla okucubungula nje ukuze kubandakanye amazinga okuxhumeka namandla okubonisa. Okuqukethwe kwe-4K kudinga i-HDMI 2.0 noma ngaphezulu, i-DisplayPort 1.2 noma ngaphezulu, noma amazinga okuxhumana alinganayo ukuze kugcinwe ikhwalithi egcwele. Amadivayisi amadala, izintambo, nezibonisi zingase zingasekeli lawa mazinga, okungase kube nomkhawulo ekubukweni noma kudinga ukuthuthukiswa kwehadiwe. Ukwengeza, ezinye izidlali zemidiya ezindala, amadivayisi okusakaza-bukhoma, nama-TV ahlakaniphile angase angasekeli ama-codec angu-4K noma abe namandla okucubungula anele ukuze adlale kahle.
Umthelela Wokukhiqiza Nokuqukethwe
Ukudala okuqukethwe ku-4K kudinga okokusebenza okuyinkimbinkimbi, kusukela kumakhamera akwazi ukurekhoda kwe-4K kuya kumasistimu wokuhlela anamandla okucubungula anele namandla okugcina. Amakhamera e-4K angochwepheshe ngokuvamile abiza kakhulu kunozakwabo be-1080p, futhi konke ukugeleza komsebenzi wokukhiqiza kufanele kukhushulwe ukuze kusingathwe izidingo zedatha ezikhulayo. Lokhu kuhlanganisa amamemori khadi asheshayo, amasistimu ekhompiyutha aqine kakhulu, nezikhathi zokunikeza ezandisiwe zokukhipha okokugcina. Izinzuzo zokukhiqiza zokudubula ku-4K zidlulela ngale kokuletha okuqukethwe kwe-4K. Ukuqopha nge-4K kunikeza ukuguquguquka okwengeziwe kokukhiqizwa kwangemuva, okuvumela abahleli ukuthi banqampune, basondeza, futhi bahlele kabusha amashothi kuyilapho kugcinwa ikhwalithi engu-1080p ekuphumeni kokugcina. Le nqubo, eyaziwa ngokuthi “i-punching in,” inikeza ngempumelelo ama-engeli amaningi ekhamera asuka kumthombo owodwa we-4K. Ukwengeza, ukuthwebula kwe-4K kunikeza ubufakazi besikhathi esizayo bokuqukethwe okungenzeka kuqanjwe kabusha noma kuhloswe kabusha njengoba izibonisi ze-4K ziya zivame kakhulu.
Okuthathwayo Okubalulekile
I-Visual Impact Incike Ezimweni Zokubuka
Izinzuzo ze-4K ngaphezu kwe-1080p zibonakala kakhulu ezikrinini ezinkulu kanye namabanga okubuka eduze
- I-4K ikhanya ezikrinini ezingama-intshi angu-50+ ebangeni lokubuka elingamafidi angu-4-6
- Izikrini ezincane noma ukubuka kude kungase kubonise umehluko omncane
- Ikhwalithi yomthombo ibaluleke kakhulu kunokulungiswa kokuhlangenwe nakho okuphelele
Izidingo Zesitoreji Nomkhawulokudonsa Zikalwa Kakhulu
Okuqukethwe kwe-4K kudinga izinsiza ezengeziwe ngokuphawulekayo zokugcina, ukusakaza, nokucubungula
- Osayizi bamafayela ngokuvamile bakhulu ngo-2.5-4x kunokulingana no-1080p
- Ukusakaza kudinga 25-35 Mbps vs 5-8 Mbps ukuze 1080p
- Izingxenyekazi zekhompuyutha kufanele zisekele ukucutshungulwa okwengeziwe nezidingo zedatha
Khetha Isixazululo Esisekelwe Odabeni Lokusetshenziswa Nezinsiza
Ukukhetha okuhle phakathi kwe-4K ne-1080p kuncike ezidingweni ezithile, okokusebenza, kanye nemikhawulo
- I-1080p isalokhu iyinhle kakhulu kuzimo eziningi zokubuka nezibonisi ezincane
- I-4K ihlinzeka ngobufakazi besikhathi esizayo kanye nezinzuzo zokuguquguquka kochwepheshe
- Cabangela izindleko eziphelele zobunikazi ezihlanganisa isitoreji, umkhawulokudonsa, nehadiwe
imibuzo ejwayelekile ukubuzwa
Ngingakwazi ukubona umehluko phakathi kwe-4K ne-1080p ku-TV evamile?
Ukubonakala komehluko kuncike kusayizi we-TV yakho nebanga lokuyibuka. Kuma-TV amancane kunamayintshi angu-40 noma uma uhlezi kude ngaphezu kwamafidi angu-8, umehluko ungase ube mncane. Nokho, ezikrinini ezinkudlwana (amayintshi angu-50+) ezibukwa kude, i-4K inikeza imininingwane ecace ngokuphawulekayo nokucaca.
Ingabe i-4K ikufanele uma ngisakaza kakhulu okuqukethwe?
Kuncike ekuxhumekeni kwakho kwe-inthanethi kanye nokusetha kokubuka. Uzodinga okungenani u-25 Mbps ukuze usakaze i-4K ezinzile, futhi izinzuzo zibonakala kakhulu kuzikrini ezinkulu. Uma une-inthanethi enesivinini esiphezulu nesibonisi esikhulu, ukusakaza-bukhoma kwe-4K kunganikeza umuzwa wokubuka othuthuke kakhulu.
Kungani amafayela evidiyo e-4K emakhulu kakhulu kune-1080p?
I-4K iqukethe amaphikseli aphindwe kane njengo-1080p (izigidi ezingu-8.29 vs 2.07 million), edinga idatha eyengeziwe ukuze igcine imininingwane eyengeziwe. Ngisho nokucindezelwa okusebenzayo, amafayela e-4K avamise ukuba mkhulu ngokuphindwe izikhathi ezingu-2.5-4 kunokuqukethwe okulingana no-1080p, kuye ngekhodekhi nezilungiselelo zekhwalithi ezisetshenzisiwe.
Ingabe ngidinga okokusebenza okukhethekile ukuze ngidlale amavidiyo e-4K?
Yebo, ukudlala kwe-4K kudinga izingxenyekazi zekhompuyutha ezihambisanayo ezihlanganisa isibonisi esikwazi ukusebenzisa i-4K, izintambo zokuxhuma ezifanele (i-HDMI 2.0+ noma i-DisplayPort 1.2+), namandla okucubungula anele. Amakhompuyutha amadala, izidlali zemidiya, noma ama-TV angase angakusekeli ukulungiswa kwe-4K noma angase abe nzima ukudlala kahle.
Ingabe kufanele ngidubule ividiyo nge-4K noma ngabe ngidinga kuphela okukhiphayo okungu-1080p?
Ukudubula ku-4K kokuphumayo okungu-1080p kunikeza izinzuzo ezimbalwa ezihlanganisa ikhono lokunqampuna nokuhlela kabusha izithombe ngenkathi kugcinwa ikhwalithi, kuqinisekisa ikusasa lokuqukethwe kwakho, kanye nokuba nezinto zomthombo wekhwalithi ephezulu ukuze kuqalwe kabusha okungase kube khona. Nokho, lokhu kudinga indawo yokugcina eningi namandla okucubungula.
Singakanani isivinini se-inthanethi engisidingayo ukuze ngisakaze i-4K?
Izinsizakalo eziningi zokusakaza zitusa i-25-35 Mbps yokusakaza okuthembekile kwe-4K, nakuba ezinye zingase zisebenze kancane njenge-15-20 Mbps. Kubalulekile ukuba ne-headroom yomkhawulokudonsa kokunye ukusetshenziswa kwe-inthanethi futhi uphendule ngokuguquguquka kwenethiwekhi okungabangela ukugcina kumthamo noma ukwehla kwekhwalithi.
Ingabe ukuthuthukiswa kwekhwalithi kusuka ku-1080p kuya ku-4K kubalulekile njengokusuka ku-SD kuya ku-HD?
Ngokuvamile cha, ukweqa kusuka ekuchazeni okujwayelekile kuya ku-HD (1080p) bekumangalisa kakhulu ezibukelini eziningi kunokuthuthukiswa kusuka ku-1080p kuya ku-4K. Ukuthuthukiswa kwe-4K kucashe kakhulu futhi kuncike kakhulu ezimeni zokubuka, usayizi wesikrini, nekhwalithi yezinto zomthombo. Izinzuzo ziba sobala kakhulu ngezikrini ezinkulu kanye namabanga okubuka eduze.
Sebenzisa Ulwazi Lwakho
Manje njengoba usuwaqonda amagama, zama ukuguqula ukuze usebenzise okufundile. Ukuguqulwa kwamahhala, okungenamkhawulo ngaphandle kwe-akhawunti edingekayo.