Retina Display vs 4K vs Tone True

Kodi Ndondomeko Yabwino Yoyang'ana Pulogalamu?

Pamene ma TV akuwonetsera 4K akuwotcha, tikuyamba kumva zambiri za ma 4k omwe akulowa m'dziko la mapiritsi. Koma ngakhale makampani ngati Samsung atayendayenda pa 4K buzzword, mapiritsi awa agwera pa chiwonetsero chenichenicho. Ndipo ndi apulo tsopano akuwonetsa mawonetsero awo owona, tili ndi buzzword yotsutsana nayo. Kodi timafunikira mapiritsi 4K? Ndipo 4K imakwera bwanji mpaka ku Retina Display? Nanga bwanji Tone Yeniyeni?

Kodi Retina Kuwonetsera ndi chiyani?

Gawo losokoneza za Retina Display ndiloti limadza ndi masankho osiyanasiyana osiyanasiyana. Kuwonetsera kwa 4K kawirikawiri ndikusankhidwa kwa 3,840x2,160 mosasamala kukula kwa chiwonetsero, koma chisankho cha Kuwonetsera kwa Retina nthawi zambiri kumasintha malinga ndi kukula kwake.

Monga momwe Apple imatchulira, Kuwonetsera kwa Retina ndi chinsalu chokhala ndi pirisilikulu kwambiri moti ma pixel a munthu sangathe kuzindikiranso ndi diso la munthu pamene chipangizochi chimachitika pamtunda woyenda. "Malo owonetsetsa bwino" ndi mbali yofunikira ya mgwirizanowu chifukwa kuti mumagwiritsira ntchito chipangizochi mofulumira, zing'onozing'ono za pixel ziyenera kukhala zisanayambe kudziwika. Apple ikuona kutalika kwa mtunda wa smartphone kuti ukhale pozungulira 10-12 mainchesi ndi kutalika koyang'ana kutalika kwa piritsi kuti ukhale pafupi makilogalamu 15.

Kusiyanitsa kwa Retina Display n'kofunika chifukwa kusankhidwa kulikonse kwazithunzi sikupereka phindu lililonse lowonera. Diso laumunthu likadatha kusiyanitsa mapikseli apadera, mawonetsedwewa ndi omveka monga momwe angakhalire. Ndipotu, zisankho zazikuluzikulu zimakhala ndi mphamvu zambiri zamagetsi, zomwe zimayamwa mphamvu zambiri kuchokera ku batri. Choncho kwambiri "Retina Display" imatha kuchotsa pa chipangizocho.

Kodi 4k Ndizowonongeka Ndi Makampani A TV?

Pali kusiyana kwakukulu pakati pa piritsi ndi televizioni. TV ikugwiritsidwa ntchito poyang'ana kanema. Ndipo kuti tipindule kwambiri ndi kanema yomwe tikuyang'ana, ndondomeko ya TV yathu iyenera kuyenderana ndi chisankho cha kanema. Kotero ngakhale kuti ma televizioni amadza kukula kwakukulu, makampaniwa amafunikira kusinthidwa kwasankhulidwe kofananako kuti agwirizane ndi kanema yomwe yapangidwa ndi chisankho cha televizioni. Zingakhale zopanda ubwino kukhala ndi chisankho chapamwamba pa kanema wamkulu pamene chithunzi chomwe chili pawindo chidzawonetsedwa pamsankhulidwe wapansi.

Choncho, 4K ndizofunikira pa makanema a televizioni. Komabe, timagwiritsa ntchito mapiritsi athu mochuluka kuposa kungotulutsa mavidiyo kuchokera ku Netflix ndi Amazon Prime . Kotero ponena za piritsi, mawu akuti "4K" ali ndi tanthauzo lochepa.

Kuwonetsa TV Networks ndi Zopereka Zaphatikizidwe Ndi Mapulogalamu a iPad

Retina Zojambula vs 4K

Ponena za kugula piritsi , chizindikiro cha "4K" chiyenera kukhala chodetsa nkhaŵa ngati ntchito yanu yoyamba ndiyo kugwiritsa ntchito chipangizo kuti muwonere kanema ndi kanema. Nambala yeniyeni yoti muyang'ane ndi pixel-inch (PPI) yawonetsera. PPI yatsimikiziridwa pogwiritsa ntchito kukula kwawoneka ndi mawonekedwe a skrini. Mapiritsi ambiri tsopano akuwonetsera PPI muzofotokozera.

Pulogalamu ya iPad 9-inch iPad ili ndi mawonetsedwe a 9.7-inch amayeza mozungulira limodzi ndi kukwana 2,048x1,536. Izi zimapereka PPI ya 264, yomwe apulogalamuyi amawona mokwanira kuti ikhale Retina Display for tablet. Pulogalamu ya iPad 12,9-inch imasankha 2,732x2,048, yomwe imaperekanso PPI ya 264.

Poyang'ana piritsi, PPI ya kuzungulira 250 kapena pamwamba ndizofunika kwambiri kuti muzitha kuganiza za Retina Display. Kumbukirani, china chilichonse kuposa Kuwonetsera kwa Retina kumangochititsa kuti pulogalamuyo iponyenso mapepala ang'onoting'ono pawindo, zomwe zimayamwa moyo wa batri . Chodabwitsa kwambiri, iPad Mini 4 ili ndi PPI ya 326 chifukwa chokhala ndi chisamaliro chimodzimodzi monga iPad Air 2 yokhala ndi pepala laling'ono la 7.9-inchi. Mosakayikira, Apple inaganiza kuti kusunga chisankho chimodzimodzi kuchokera ku lingaliro lofanana ndilofunika kwambiri kuposa kukhetsa kwina pa batteries, koma chiwonetsero chomwecho chikawoneka chimodzimodzi ndi kuthetsa kakang'ono.

Kukonzekera kwa 4K pa piritsi nthawi zambiri kumangoganiziridwa pa mapiritsi omwe amayenda mainchesi 12 pa diagonally kapena kuposa. Ichi ndichifukwa chake mapiritsi 4K oyambirira amakhala akukula uku. Mapiritsi ang'onoang'ono omwe ali ndi chiganizo cha 4K akudumphira pa bandwagon kuti awonetsere omwe angadye mphamvu zambiri za batri koma sapereka ndondomeko yowonjezereka kuposa iPad. Wopenga mokwanira, Sony kwenikweni amapanga foni yamakono ndi chidziwitso cha 4K.

Funsani Zopangira Za iPad Yanu

Pamene 4K Isn & # 39; t Ndithu 4K

Samsung yatulutsidwa posachedwa pulogalamu ya "Galaxy 4K" ya Galaxy S3 yomwe imasewera chisankho cha 2048x1536 chokhazikika. Ichi ndi chiganizo chomwecho monga 9.7-inchi iPad Pro. Samsung imagulitsa Galaxy Tab S3 ngati piritsi la 4K chifukwa ikhoza kuvomereza kanema ya 4K ngakhale kuti silingathe kuitulutsa pawonetseredwe. Izi makamaka zimatengera mawu a malonda a malonda ku malo amtundu ndi osintha. Zimatanthauzanso kuti muyenera kukhala osakayikira papepala iliyonse yodziwika ngati 4K.

Nanga Nanga Bwanji Nkhani Yeniyeni?

Mawonetsedwe atsopano a Apple pa mndandanda wa iPad Pro wa mapiritsi tsopano akulembedwa "Mawonedwe Owona". Kuwonetsera Kwakuona Kumodzi kumatha kupanga DCI-P3 Wakuda Wambiri Gamut, umene ndi wovomerezeka wogwiritsidwa ntchito ndi makampani a nyimbo. Kusunthira ku "Ultra-High Definition" (UHD) mu makampani a TV ndikutembenukira kumbali yowonjezera yamitundu kusiyana ndi kungowonjezera masomphenya a ala 4K.

Mbali ina ya kuwonetsera kwawona kwa Apple ndikumatha kuzindikira kuwala kozungulira ndikusintha mthunzi wa zoyera zomwe zikuwonetsedwa pazenera kuti zitsatire zotsatira za kuwala mu 'dziko lenileni.' Izi zikufanana ndi momwe pepala likhoza kuyera loyera kwambiri pansi pa mthunzi ndi wachikasu kwambiri pansi pa dzuwa.

Werengani zambiri za mawonedwe owonetsera

Kodi 4K Potsirizira pake Pita Njira ya 3D?

Ngakhale ma TV a 3D ali ngati fad, ma TV 4K akhoza kukhala pano. Komabe, zingatenge nthawi yaitali kuposa ena kuti aganizire 4K kuti akhale owona enieni. Zimatengera malo ambiri kusungira kanema ya 4K, ndipo chofunika kwambiri, zimatengera zambiri zamtunduwu kuti zikasuke 4K.

Pakali pano imatenga ma Megabytes-per-Second (Mbps) 5-6 kuti iguluke mavidiyo 1080p otanthauzira kwambiri. Ngati mumaganizira zofunikira kuti muzitha kugwiritsira ntchito ndi kuthana ndi mawindo osiyana a Wi-Fi, 8 Mbps zingakhale zabwino kwambiri. Pakalipano, zimatengera 12-15 Mbps kukasaka kanema ya 4K, ndi kugwirizana kwa maganizo kukhala pafupi 20 Mbps.

Kwa anthu ambiri, izo zingadye zambiri zomwe zimachokera pa intaneti. Ndipo ngakhale iwo omwe ali ndi mautumiki 50 Mbps angamve ngati akugwedeza kwakukulu ngati anthu awiri pa intaneti yawo ayesa kuyang'ana kanema wa 4K panthawi yomweyo.

Ndipo ngakhale kuti tikhoza kumagwira ntchito, kampani ngati Netflix kapena Hulu Plus idzawona kuwonjezeka kwakukulu kwa mtengo wothamanga mavidiyo. Ndipo ISP monga Verizon FIOS ndi Time Warner Cable zimayesetsabe kuthana ndi kuchuluka kwa bandwidth Netflix yekha kumatenga nthawi yapadera. Internet ngokhayo ikhonza kukhala yosagwiritsidwa ntchito ngati pakhala paliponse kulandira kanema wa 4K.

Kotero ife sitiri kwenikweni apobe. Koma kuchokera pa mtengo wamakono, makanema 4K akuyandikira kwambiri ndi msinkhu wa wogulitsa. Zaka zingapo, ambiri a ife tikhoza kuganiza kuti $ 100 yomwe idaperekedwa kuti tifikitsire ku skrini ya 4K ndi yofunika kwambiri. Zingathe kutenga nthawi yayitali kuti opereka intaneti akhale okonzekera, koma adzafika kumeneko.

Chimene Muyenera Kuwona Video 4K pa 4K Television Set