Umxholo wonke weHD ukhangeleka bhetele kunama-movie-definition movies okanye imiboniso yeTV, kodwa ngaba uyazi ukuba kukho amanqanaba amaninzi wekhwalithi ye-HD? Xa iTown iTunes iqalile ukunikela umxholo kwi-HD, ixhaswa kuphela kumancinci kumanqanaba: 720p. Njengoko iinketho eziphezulu, ezibizwa ngokuba ngu-1080p no-4K, ziye zaba ngumgangatho we-HD kunye nomxholo, iSitolo seTunes siye sahlaziywa kwakhona.
Ukufumana umxholo wesisombululo esiphezulu kakhulu akusiyo i-iTunes, kodwa ngokuqinisekileyo oko ufuna. Ngenhlanhla, ngenguqu encinane yokutshintsha, ungaqinisekisa ukuba uhlala ufumana ama-movie angama-1080p aphezulu kwi-iTunes Store.
Ukwahluko phakathi kwe 720p, 1080p kunye ne-4K HD
Izigqibo ezintathu eziphezulu ze-HD-720p, 1080p, kunye ne-4K-zonke zichazwe ngokuphezulu kwaye zinokuba nzima ukuhlukana ngokusebenzisa iso iso, kodwa ngokuqinisekileyo akufani. Loo mahluko uya kubonakala xa ubona okuqukethwe kwe-720p kwisixhobo esixhasa i-4K. Umgangatho wefayile, kwimeko apho, ayiyi kufana nohlobo lwe-1080p kwisixhobo se-1080p okanye i-4K kwisixhobo se-4K.
Umgangatho we- 720p HD unikezela isisombululo se-1280 x 720-pixel, ngelixa iipaki ze standard 1080p kuma-pixels ka-1920 x 1080. Ifomathi ye-4K iya phambili ngakumbi, ihambisa imifanekiso enezigqibo ze-pixels ezingama-4096 x 2160 (ezobuchule ezimbini zifaneleke njenge-4K; enye enye ngu-3840 x 2160). Akukho mfuneko yokuthi, imifanekiso engama-4K iqulethe ulwazi oluthe vetshe kunye neeplisili ezininzi, ezikhokelela kwisithombe esiphezulu kunye nesimo esiphezulu.
Kufanelekile ukwazi ukuba ngenxa yezinto ezili-1080p ezinama-pixel angama-2.25 amaninzi njengemxholo we-720p, kwaye i-4K inamaxesha angama-pixels ka-1080p, amafomathi afanelekileyo athatha indawo yokugcina indawo kwaye izakuthatha ixesha elide ukukhuphela. Oko kwathiwa, iteknoloji yoxinzelelo lwe-Apple ivumela ukuba idale iifayile ezili-1080p ezinama-1.5 aphindaphindiweyo kuneefayile ze-720p, ngokutsho kwe-Ars Technica, okuthetha umxholo ovela kwi-iTunes yokulandwa ngokukhawuleza kwaye ufuna ukugcinwa okuncinci kunokuba ungalindela.
Amadivayisi e-Apple axhasayo i-1080p HD
Njengoko kuphawuliwe ngasentla, kwiminyaka embalwa yokuqala ye-HD inkxaso kwi-iTunes, umxholo wawufumaneka kuphela ngo-720p. Ngokuhambisana nolu khetho, iifayile ze-Apple zisekela kuphela okuqukethwe kwe-720p HD. Ngokuqaliswa kwe-1080p kwi-iTunes, yatshintsha. Njengoko lo mbhalo, amadivayisi ase-Apple alandelayo axhasa i-1080p:
- iPhone 6 Plus , 6S Plus , 7 Plus , 8 Plus , ne- iPhone X
- Isizukulwana sesine nesizukulwana sesi-3 se-Apple TV
- I-iPad yesizukulwana sesi-3 (ezenza umdlalo we-2048 x 1536 I- Retina Display ) kunye nomtsha
- Zonke idesktop kunye ne-laptop Macs.
Kakade ke, nayiphina i-HDTV exhasa i-1080p HD nayo ingabonisa umxholo we-1080p ukusuka kwi-iTunes.
Amadivayisi e-Apple axhasayo i-4K HD
Nangona amadivayisi amaninzi e-Apple axhasa i-1080p, inani elincinci lisekela i-4K. Bazi:
Indlela yokuhlala ulande i-1080p HD Content evela iTunes
Ekubeni kungekhona zonke izixhobo ze-Apple ezingadlala umxholo we-1080p, i-Apple inikezela abasebenzisi ukhetho lwoluhlobo lwe-HD abanokukhetha ukulanda. Awuyenzi lo khetho kwiSitolo seTunes xa uthengela okanye uqeshisa ama-movie okanye imibukiso yeTV. Kunoko, wenze ukhetho kwiprogram ye-iTunes ngokwayo. Ukwenza oku:
- Qinisekisa ukuba usebenzisa iTunes 10.6 okanye ngaphezulu. Ukuba akunjalo, khuphela apha .
- Emva koko izikhetho ezivulekile (kwi-Mac, oku ku menu ye- iTunes . Kwi-PC, phantsi kwe- Hlela).
- Kwifestile ekhethiweyo, nqakraza kwiDownload (kwezinye iinguqulelo ze-iTunes, qhosha kwiSitolo ).
- Kwinqanaba eliphakathi kwefestile, khangela ikhetho elibizwa ngokuba yi- Download ii-HD zevidiyo eziqhelekileyo . Hlola ibhokisi ecaleni kwayo.
- Cofa Kulungile ukugcina olo tshintsho .
I-iTunes yakho sele isetyenziswe ukukhuphela umxholo we-1080p xa kunokwenzeka-kodwa kubanjwa enye.
Olunye Umda
Ayikho yonke into kwiTunes Store itholakala kwifom ye-1080p. Ngaphantsi kwe- Download ukukhethwa kwevidiyo ye-HD epheleleyo, inqaku elithi amafilimu angama-1080p aya kukhethwa ngaphezu kwe-720p. Ngaloo ndlela, uzakufumana umxholo we-1080p HD nanini na. Ukuba akunjalo, uya kufumana i-720p.
Akukho sixwayiso esicacileyo sokuba iTunes inikezela xa iya kukunika i-movie ye-720p, ngoko ukuba unomdla malunga nokuba ufuna ukukhangela ulwazi malunga nento onomdla kuyo. Ukufumana oko, uye kwikhasi le-movie kwi I-iTunes Store kwaye ikhangele ixabiso layo. Uza kubona oko i-HD ifomathi into ekhoyo.
Kuthiwani ngo-4K?
Inkxaso yesongezelelo yeSitolo seTunes yeefilimu ezingama-4K kunye nemiboniso ye-TV ngo-2017, kodwa kuphela i-subset yemxholo esitolo inokufumaneka kwi-4K. Mhlawumbi ngenxa yenani elincinci leminikelo ye-4K, akukho miselo kwi-iTunes ukuqinisekisa ukuba uhlala ukhupha umxholo we-4K. Ukuba i-Apple ihlaziya i-iTunes kunye nolu khetho, le khosi iya kuhlaziywa kwakhona.