4K vs 1080p Fakafehoanaki ‘o e tu’unga lelei
Ko ha fakahinohino kakato ke tokoni ke mahino kiate koe ‘a e 4k vs 1080p fakafehoanaki ‘o e tu’unga lelei.
Mahino ki he Fakalelei’i: Ko e Fakava’e Fakatekinikale .
‘Oku fakafofonga’i ‘e he fakalelei’i ‘a e lahi ‘o e pixels ‘oku nau fa’u ha ‘imisi fakakomipiuta pe vitio, ‘o uesia fakahangatonu ‘a e tu’unga ‘o e fakaikiiki mo e mahino ‘oku ‘asi ‘i he screen. 1080p, ‘oku ‘iloa foki ko e HD kakato, ‘Oku ‘i ai ‘a e 1,920 pixels fakahosite ‘e he 1,080 pixels fakahangatonu, fakakatoa ‘oku fakafuofua ki he 2.07 miliona pixels. Ko e resolution ko ‘eni kuo hoko ia ko e tu’unga mo’ui ki he ngaahi me’a ‘oku ma’olunga hono faka’uhinga’i ‘i he ta’u ‘e hongofulu tupu pea ‘oku kei faka’aonga’i lahi ia ‘i he ngaahi tu’unga streaming, va’inga, mo e televisone fakamafolalea. 4K fakalelei’i, ‘oku ui fakatekinikale ko e Ultra Faka’uhinga’i Ma’olunga (UHD), ‘Oku ‘i ai ‘a e 3,840 ‘e he 2,160 pixels, fakakatoa ‘o e fakafuofua ki he 8.29 miliona pixels. ‘Oku fakafofonga’i ‘e he me’a ni ‘a e liunga fa tonu ‘o e lau ‘o e pixel ‘o e 1080p, ‘a ia ko e feitu’u ia ‘oku tupu mei ai ‘a e hingoa “4K”. ‘Oku faka’ata ‘e he fakalahi ‘o e pixel density ‘a e ngaahi fakaikiiki lahi ange ke puke mo fakahaa’i, ‘o ‘ai ai ke mahu’inga makehe ki he sio screen lahi, fakatupu ‘o e kakano fakapalofesinale, mo e ngaahi polokalama ‘oku fie ma’u ke fakatupu fakaikiiki lelei.
Ko e Tu’unga Faka’ata mo e Ngaahi Kehekehe Fakaikiiki .
‘Oku hoko ‘a e faikehekehe ‘o e sio ‘i he vaha’a ‘o e 4K mo e 1080p ‘o mahino taha ‘i he taimi ‘oku sio ai ki he kakano ‘i he ngaahi screen lalahi ange pe ‘i he taimi ‘oku tangutu ofi ange ai ki he faka’ali’ali. ‘I he ngaahi screens ‘inisi ‘e 50 mo e lahi ange, ‘Oku fakatupu ‘e he fakaikiiki ‘o e tanaki atu ‘i he 4K ‘a e ngaahi ‘ata ‘oku fakatokanga’i ‘a e sharper, mo e fakalakalaka ‘o e mahino ‘i he textures, ngaahi ‘ulungaanga ‘o e fofonga, mo e ngaahi ‘elemeniti lelei hange ko e ‘ulu, tupenu, mo e ngaahi fakaikiiki faka’ata. Ko e fakaikiiki fakalahi ko ʻení ʻoku mahuʻinga makehe ia ki he ngaahi fakamatala fakatohi ʻo natulá, ngaahi fakamafola sipotí, mo e ngaahi meʻa ʻi he siní ʻa ia ʻoku mahuʻinga taha ai ʻa e faitotonu fakaʻataá. Ka neongo ia, ‘Oku fakafalala lahi ‘a e lelei ‘oku ‘ilo’i ‘o e 4K ‘i he mama’o ‘o e sio mo e lahi ‘o e screen. Ki he ngaahi screen iiki ange (‘i lalo ‘i he ‘inisi ‘e 32) pe ngaahi mama’o ‘o e sio ‘i he loki nofo’anga angamaheni (fute ‘e 8-10), ‘e lava ke faingata’a’ia ‘a e mata ‘o e tangata ke fakafaikehekehe’i ‘a e 1080p mo e 4K ‘o e kakano ‘oku fakakouti lelei. Ko e feitu’u melie ki hono fakahounga’i ‘o e fakaikiiki 4K ‘oku angamaheni ‘aki ‘a e hoko ‘i he taimi ‘oku tangutu ai ‘a e fute ‘e 4-6 mei ha faka’ali’ali ‘inisi ‘e 55 pe lahi ange. ‘Ikai ngata ai, ‘e lava ke uesia lahi ‘e he tu’unga lelei ‘o e ma’u’anga fakamatala mo e ngaahi founga encoding ‘a e faikehekehe ‘oku ‘asi ‘i he vaha’a ‘o e ngaahi fakakaukau.
Ko e Lahi ‘o e Faile mo e Ngaahi Uesia ‘o e Tauhi’anga
‘Oku liliu fakahangatonu ‘a e lau ‘o e pixel quadrupled ‘i he vitio 4K ki he ngaahi faile lahi ange ‘aupito, ‘oku angamaheni ‘aki ‘a e 2.5 ki he 4 taimi lahi ange ‘i he 1080p tatau ‘a e kakano, ‘o fakatatau ki he codec mo e ngaahi tu’unga ‘o e compression ‘oku faka’aonga’i. ‘E lava ke nofo’i ‘e ha filimi angamaheni 1080p ‘a e 4-8 GB ‘o e feitu’u ke tanaki ai, lolotonga ia ‘e lava ke fie ma’u ‘e he kakano tatau ‘i he 4K ‘a e 15-30 GB pe lahi ange. Ko e tupulaki fakaofo ko ‘eni ‘i he lahi ‘o e faile ‘oku ‘i ai hono ngaahi nunu’a mahu’inga ki he ngaahi langa fakalakalaka ‘o e tanaki’anga koloa, ngaahi fakalelei’anga backup, mo e taimi ‘o e fe’ave’aki. Ki he kau fa’u ‘o e kakano mo e kau mataotao ‘oku nau ngaue mo e ngaahi faile vitio, ‘Oku fakalahi atu ‘a e ngaahi nunu’a ‘o e tanaki’anga ‘o fakalaka atu ‘i he output faka’osi pe. Raw 4K footage, ngaahi faile ‘o e rendering ‘i he vaha’a taimi, mo e ngaahi koloa ‘o e poloseki ‘e lava ke vave hono faka’aonga’i ‘o e terabytes ‘o e feitu’u ke tanaki ai. ‘E lava ke laka hake ‘i he 500 GB ‘a e houa ‘e taha ‘o e uncompressed 4K footage, ‘o ‘ai ‘a e ngaahi fakalelei’anga ‘o e tanaki’anga koloa fefeka mo e ngaahi ngaue ‘o e pule’i ‘o e faile ‘oku mahu’inga. ‘Ikai ngata ai, ‘Oku fie ma’u ‘e he ngaue mo e ngaahi faile lalahi ange ko ‘eni ‘a e ngaahi naunau malohi ange ki he fakatonutonu ‘o e malimali mo e taimi ngaue vave ange ki he ngaahi ngaue ‘o e rendering mo e liliu.
Ngaahi Fakakaukau ki he Bandwidth mo e Streaming .
‘Oku fie ma’u ‘e he streaming 4K ‘a e kakano ‘o e bandwidth lahi ange ‘i he 1080p, ‘i he lahi taha ‘o e ngaahi tu’unga fokotu’u ‘a e vave ‘o e ‘initaneti si’isi’i taha ‘o e 25-35 Mbps ki he streaming 4K tu’uma’u, ‘i hono fakafehoanaki ki he 5-8 Mbps ki he 1080p. Ko e fie ma’u bandwidth ko ‘eni ‘e lava ke palopalema ki he ngaahi ‘api ‘oku fakangatangata ‘enau palani ‘initaneti, tokolahi ‘a e kau faka’aonga’i ‘i he taimi tatau, pe ngaahi fehokotaki’anga ta’epau. Netflix, hange ko ‘eni, ‘Oku ne faka’aonga’i ‘a e fakafuofua ki he 3 GB ‘i he houa ki he 1080p streaming ka ‘e lava ke ne fakamoleki ‘o a’u ki he 7 GB ‘i he houa ki he 4K ‘a e kakano. ‘Oku toe uesia foki ‘e he fakalahi ‘o e ngaahi fie ma’u ‘a e bandwidth ‘a e ngaahi netiueka ‘o e tu’uaki ‘o e kakano mo e ngaahi langa fakalakalaka ‘o e streaming. Kuo pau ke palanisi ‘e he kau foaki ‘a e tu’unga lelei mo e accessibility, fa’a fakahoko ‘a e adaptive streaming ‘oku ne fakatonutonu ‘otometiki ‘a e fakalelei’i ‘o makatu’unga ‘i he bandwidth ‘oku ma’u. Ki he kau faka’aonga’i ‘o e ngaahi pulou ‘o e fakamatala pe ngaahi fehokotaki’anga ‘initaneti ‘oku tuai ange, ‘Oku fa’a ‘omi ‘e he 1080p ha a’usia ‘o e mamata falala’anga ange ‘o ‘ikai ha buffering mo e ngaahi mata’itofe ‘o e tu’unga lelei ‘oku fekau’aki mo e bandwidth ‘oku ‘ikai fe’unga ki he ngaahi vaitafe 4K.
Ngaahi fie ma’u ‘o e Hardware mo e fe’unga .
Faka’ali’ali mo hono ngaue’aki ‘o e 4K ‘a e kakano ‘oku fie ma’u ‘a e hardware malohi ange ‘i hono fakafehoanaki ki he 1080p. Kuo pau ke poupou’i ‘e he ngaahi kaati kalafi, processors, mo e ngaahi me’angaue faka’ali’ali ‘a e 4K resolution pea ‘oku ‘i ai ha ivi ngaue fe’unga ke tokanga’i ‘a e fakalahi ‘o e kavenga ‘o e fakamatala. ‘E lava ke faingata’a’ia ‘a e ngaahi naunau motu’a ange ‘i he 4K playback, ‘o iku ai ki he ngaahi fakava’e ‘oku to, stuttering, pe ‘ikai lava ke va’inga ‘a e kakano ‘i he me’a kotoa pe. ‘Oku angamaheni ‘aki hono tokanga’i ‘e he ngaahi kaati kalafi fakaonopooni ‘o e mid-range ki he ma’olunga ‘a e 4K playback lelei, ka ko hono fakatonutonu pe fa’u ‘o e 4K ‘oku fie ma’u ‘a e ngaahi fakaikiiki ‘o e hardware ‘oku toe fefeka ange. ‘Oku fakalahi atu ‘a e fe’unga ‘i he tafa’aki ‘o e malohi ngaue pe ke fakakau ‘a e ngaahi tu’unga mo’ui ‘o e fehokotaki’anga mo e ngaahi malava ‘o e faka’ali’ali. ‘Oku fie ma’u ‘e he kakano ‘o e 4K ‘a e HDMI 2.0 pe ma’olunga ange, DisplayPort 1.2 pe ma’olunga ange, pe ngaahi tu’unga mo’ui fehokotaki’anga tatau ke tauhi ‘a e tu’unga kakato. Mahalo he ʻikai poupouʻi ʻe he ngaahi meʻangāue motuʻá, ngaahi keipoló, mo e ngaahi fakaʻaliʻalí ʻa e ngaahi tuʻunga moʻui ko ʻení, ʻo malava ke fakangatangata ai ʻa e aʻusia ʻo e mamatá pe fie maʻu ke fakaleleiʻi ʻa e ngaahi meʻangāué. ʻIkai ngata aí, ʻe ʻikai ke poupouʻi ʻe ha ngaahi meʻa vaʻinga mītia motuʻa ange ʻe niʻihi, ngaahi meʻangāue streaming, mo e ngaahi TV ʻatamai potó ʻa e ngaahi codecs 4K pe ʻoku ʻi ai haʻanau mālohi feʻunga ki he vaʻinga leleí.
Ngaohi mo e Uesia ‘o e Fa’u ‘o e Kanokato
Ko hono fa’u ‘o e kakano ‘i he 4K ‘oku fie ma’u ‘a e ngaahi me’angaue ‘oku toe fakapotopoto ange, mei he ngaahi me’a-faka’ata ‘oku malava ke lekooti 4K ki he ngaahi sisitemi fakatonutonu ‘oku ‘i ai ‘a e malohi ngaue fe’unga mo e malava ke tanaki. ‘Oku fakamole lahi ange ‘a e ngaahi me’a-faka’ata fakapalofesinale 4K ‘i he angamaheni ‘i honau ngaahi hoa ngaue 1080p, pea kuo pau ke scaled ‘a e workflow kotoa ‘o e ngaohi’anga ke tokanga’i ‘a e ngaahi fie ma’u ‘o e fakamatala ‘oku fakalahi. ‘Oku kau heni ‘a e ngaahi kaati manatu vave ange, ngaahi sisitemi fakakomipiuta mālohi ange, mo e ngaahi taimi fakaloloa ‘o e fakahoko ‘o e ola ki he ola faka‘osí. Ko e ngaahi lelei ‘o e ngaohi ‘o e fana ‘i he 4K ‘oku fakalahi atu ia ‘i hono ‘oatu pe ‘o e 4K ‘a e kakano. ‘Oku ‘omi ‘e he filimi ‘i he 4K ha toe fe’unu’aki ‘i he hili hono ngaohi, ‘o faka’ata ‘a e kau ‘etita ke nau crop, zoom, mo e reframe ‘a e ngaahi fana lolotonga hono tauhi ‘o e 1080p ‘a e tu’unga lelei ‘i he output faka’osi. Ko e founga ko ‘eni, ‘oku ‘iloa ko e “punching in,” ‘oku ne ‘omi ‘a e ngaahi tuliki ‘o e me’a-faka’ata lahi mei ha ma’u’anga tokoni 4K ‘e taha. ‘Ikai ngata ai, ‘Oku ‘omi ‘e he 4K ‘a e puke ‘a e kaha’u-fakamo’oni ki he kakano ‘e lava ke remastered pe repurposed ‘i he 4K faka’ali’ali ‘oku hoko ‘o lahi ange.
Ngaahi Meʻa Tefito ʻoku ʻAve
Ko e Uesia Faka’ata ‘Oku Fakafalala ia ‘i he Ngaahi Tu’unga ‘o e Sio .
Ko e ngaahi lelei ‘o e 4K ‘i he 1080p ‘oku fakatokanga’i lahi taha ia ‘i he ngaahi screen lalahi ange mo e ofi ange ‘a e mama’o ‘o e sio .
- 4K ulo ‘i he ngaahi screens 50+ ‘inisi ‘i he 4-6 fute ‘o e mama’o ‘o e sio
- Ko e ngaahi screen iiki angé pe sio mama‘ó ‘e fakahaa‘i nai ai ‘a e si‘isi‘i taha ‘o e faikehekehé .
- ‘Oku mahu’inga ange ‘a e tu’unga lelei ‘o e ma’u’anga fakamatala ‘i he fakalelei’i ki he a’usia fakakatoa .
Tauhi’anga mo e Bandwidth Fiema’u Scale Fakaofo .
4K ‘oku fie ma’u ‘e he kakano ‘a e ngaahi ma’u’anga tokoni lahi ange ki he tanaki’anga, streaming, mo e ngaue .
- ‘Oku angamaheni ‘aki ‘a e lahi ‘o e faile 2.5-4x lahi ange ‘i he 1080p tatau .
- ‘Oku fie ma’u ‘e he tafe ‘a e 25-35 Mbps vs 5-8 Mbps ki he 1080p .
- Kuo pau ke poupou’i ‘e he Hardware ‘a e fakalahi ‘o e ngaue mo e ngaahi fie ma’u ‘o e fakamatala .
Fili ʻa e Fakaleleiʻi ʻo Makatuʻunga ʻi he Keisi Ngāueʻaki mo e Ngaahi Maʻuʻanga Tokoni .
Ko e fili lelei taha ‘i he vaha’a ‘o e 4K mo e 1080p ‘oku fakafalala ia ‘i he ngaahi fie ma’u pau, ngaahi me’angaue, mo e ngaahi fakangatangata .
- 1080p kei lelei ‘aupito ki he lahi taha ‘o e ngaahi scenarios ‘o e mamata mo e ngaahi faka’ali’ali iiki ange .
- ‘Oku ‘omi ‘e he 4K ‘a e kaha’u-proofing mo e ngaahi lelei ‘o e fe’unu’aki fakapalofesinale .
- Fakakaukau ki he fakamole fakakatoa ‘o e ‘ea ‘o kau ai ‘a e tanaki’anga, bandwidth, mo e hardware .
Ngaahi Fehuʻi ʻOku Faʻa ʻEke
‘E lava nai ke u sio ki he faikehekehe ‘i he vaha’a ‘o e 4K mo e 1080p ‘i ha TV angamaheni?
Ko e ‘asi ‘o e faikehekehe ‘oku makatu’unga ia ‘i ho’o TV lahi mo e mama’o ‘o e sio. ʻI he ngaahi TV ʻoku siʻisiʻi ange ʻi he ʻinisi ʻe 40 pe ʻi he taimi ʻoku tangutu ai ʻo laka hake ʻi he fute ʻe 8, ʻe siʻisiʻi nai ʻa e faikehekehé. Ka neongo ia, ‘i he ngaahi screen lalahi ange (50+ ‘inisi) ‘oku vakai ki ai mei he ngaahi mama’o ofi ange, ‘Oku ‘omi ‘e he 4K ‘a e fakaikiiki mo e mahino ‘oku fakatokanga’i ‘oku sharper.
‘Oku mahu’inga ‘a e 4K kapau ‘oku ou lahi taha ‘a e stream ‘a e kakano?
‘Oku makatu’unga ia ‘i ho’o fehokotaki’anga ‘initaneti mo e setup ‘o e mamata. Te ke fie ma’u ‘a e 25 Mbps ki he 4K streaming tu’uma’u, pea ‘oku ‘asi lahi taha ‘a e ngaahi lelei ‘i he ngaahi screen lalahi ange. Kapau ‘oku ke ma’u ha ‘initaneti vave falala’anga mo ha faka’ali’ali lahi, ‘e lava ke ‘omi ‘e he 4K streaming ha a’usia ‘o e mamata ‘oku fakalahi lahi.
Ko e hā ʻoku lahi ange ai ʻa e ngaahi faile vitiō 4K ʻi he 1080p?
‘Oku ‘i ai ‘a e 4K ‘oku liunga fa ‘a e lahi ‘o e pixels ‘i he 1080p (8.29 miliona vs 2.07 miliona), ‘oku fie ma’u ha fakamatala lahi ange ke tanaki ‘a e fakaikiiki ‘oku tanaki atu. Na’a mo e compression lelei, ‘Oku angamaheni ‘aki ‘a e ngaahi faile 4K 2.5-4 taimi lahi ange ‘i he 1080p tatau ‘a e kakano, ‘o fakatatau ki he codec mo e ngaahi tu’unga lelei ‘oku faka’aonga’i.
‘Oku ou fie ma’u ha ngaahi me’angaue makehe ke va’inga ‘aki ‘a e ngaahi vitio 4K?
‘Io, ‘Oku fie ma’u ‘e he 4K playback ‘a e ngaahi naunau ‘oku fe’unga kau ai ha faka’ali’ali ‘oku lava ke 4K, ngaahi uaea fehokotaki’anga totonu (HDMI 2.0+ pe DisplayPort 1.2+), mo e malohi fe’unga ‘o e ngaue. Mahalo he ʻikai poupouʻi ʻe he ngaahi komipiuta motuʻá, ngaahi meʻa vaʻinga mītiá, pe TV ʻa e 4K resolution pe ʻe faingataʻaʻia ʻi he vaʻinga leleí.
‘Oku totonu ke u fana’i ‘a e vitio ‘i he 4K neongo ‘oku ou fie ma’u pe ‘a e 1080p output?
‘Oku ‘omi ‘e he fana ‘i he 4K ki he 1080p output ha ngaahi lelei lahi kau ai ‘a e malava ke crop mo reframe ‘a e ngaahi fana lolotonga hono tauhi ‘o e tu’unga lelei, kaha’u-proofing ho’o kakano, pea mo hono ma’u ‘o e naunau ma’u’anga tokoni ‘o e tu’unga ma’olunga ange ki he malava ke remastering. Ka neongo ia, ‘oku fie ma’u ‘e he me’a ni ha feitu’u lahi ange ke tauhi ai mo e ivi ngaue.
Ko e hā hono lahi ʻo e vave ʻo e ʻinitanetí ʻoku ou fie maʻu moʻoni ki he 4K streaming?
‘Oku fokotu’u atu ‘e he lahi taha ‘o e ngaahi ngaue ‘o e streaming ‘a e 25-35 Mbps ki he streaming falala’anga 4K, neongo ‘e lava ke ngaue ‘a e ni’ihi ‘aki ‘a e si’isi’i taha ‘o e 15-20 Mbps. ‘Oku mahu’inga ke ‘i ai ha ngaahi headroom bandwidth ki he ngaahi faka’aonga’i kehe ‘o e ‘initaneti pea ke fakamatala’i ‘a e ngaahi fe’unu’aki ‘o e netiueka ‘e lava ke ne fakatupu ‘a e buffering pe ‘oku to ‘a e tu’unga lelei.
‘Oku mahu’inga ‘a e fakalakalaka ‘o e tu’unga lelei mei he 1080p ki he 4K ‘o hange ko e mei he SD ki he HD?
‘Ikai ‘i he angamaheni, ‘Oku fakaofo ange ‘a e puna mei he faka’uhinga angamaheni ki he HD (1080p) ki he tokolahi taha ‘o e kau mamata ‘i he fakalakalaka mei he 1080p ki he 4K. ‘Oku fakapulipuli ange ‘a e fakalakalaka ‘o e 4K pea ‘oku fakafalala lahi ia ki he ngaahi tu’unga ‘o e mamata, lahi ‘o e screen, mo e tu’unga lelei ‘o e naunau ma’u’anga fakamatala. ‘Oku hoko ‘o mahino ange ‘a e ngaahi lelei ‘i he ngaahi screen lalahi ange mo e mama’o ofi ange ‘o e sio.
Ngāue‘aki Ho‘o ‘Iló .
Ko ʻeni kuo mahino kiate koe ʻa e ngaahi fakakaukaú, feinga ke Convertify ke fakaʻaongaʻi ʻa e meʻa kuó ke akó. Ta’etotongi, ta’e fakangatangata ‘a e ngaahi liliu ‘oku ‘ikai fie ma’u ha ‘akauni.