Itekhnoloji ihlala itshintsha, kwaye kunjalo ngokukodwa kwimeko yeTV. Buza nabani na omdala ngokwaneleyo ukuba akhumbule ukuba kufuneka ewele igumbi ukutshintsha amajelo, okanye ujonge isikrini esimnyama nesimhlophe. Amava okubukela abonakala etshintsha ngesantya esimangazayo, kwaye ababukeli beTV-ngamanye amagama, phantse lonke ilizwe-beza kulindela ngakumbi nangakumbi kwizikrini zabo.
Isibhengezo
Into eyayikade ibinzana le-buzz ngoku lingumgangatho: 4K. Kodwa yintoni i-4K, kwaye ngaba ibalela nantoni na? Funda ukuze uchaze ukuba lithetha ntoni eli binzana, ukuba ungatyala imali kumabonakude we-4K, kwaye ujonge ntoni xa uthenga umabonwakude we-4K.
Ukuba usemarikeni yethelevishini entsha, ungaphoswa yeyethu Yeyiphi iTV oyithengayo isikhokelo, kunye noluhlu lwee-TV ze-4K okwangoku ekunikezelweni kwethu, ungaphoswa kukhetho lwethu lwezona ntengiso zibalaseleyo zeTV.
Yintoni i-TV ye-4K?
I-4K, njengoko usenokuba uqikelele, imfutshane ngama-4,000. Ukuchaneka, imifanekiso eyi-4K kumgangatho wokulinganisa i-4,096 nge-pixels ezingama-2,160 kwisisombululo. Ngokuthelekisa, umfanekiso opheleleyo we-HD ulinganisa kuphela ii-pixels ze-1920 nge-1080, ke i-TV ye-4K inikezela ngomgangatho ongcono ophindwe kane kunomfanekiso opheleleyo weTV. Kwaye kungcono nangakumbi kune-HD Ready TV (ungafumana okuninzi ngomahluko phakathi kwezi zimbini kwezethu Ukulungela i-HD vs HD epheleleyo Cacisa).
Iithelevishini ze-4K zikunika umfanekiso wobunzulu nokucaca ukuba ukubona enye yexesha lokuqala kunokuba yinto entle yokuphefumla, kwaye ukubuyela kumabonwakude we-HD emva koko kufana nokubuyela eKansas emva kokundwendwela i-Oz.
luphuma nini uhlaziyo olutsha lwegta
Uya kuhlala uva amagama athi 'Ultra HD', 'UHD' kunye ne '4K Ultra HD' - ekugqibeleni, bonke babhekisa kwitekhnoloji enye. Oko kwathethi, imifanekiso ye-4K kunye ne-Ultra HD ayifani ncam, kuba zinamacala ahlukeneyo. Iscreen se-4K yesinema iya kuba nesisombululo se-4,096 nge-pixels ezingama-2,160; umabonwakude wasekhaya uneepikseli ezingama-3,840 nge-2,160.
Ewe, oko kungaphantsi kobuchwepheshe obungaphantsi kwe-4K ngobubanzi. Ke kutheni ibinzana elithi '4K' lisetyenzisiwe? Ukunyaniseka, kungenxa yokuba iwela elulwimini ngokulula ngakumbi: yincwadi yesifundo se-jargon jargon. Abanye abenzi beTV basebenzisa kuphela ibinzana le-Ultra HD, kodwa ngokwendlela esebenzayo, iyatshintshana ngokupheleleyo ne4K.
Kutheni uthenga i-TV ye-4K?
Kukho loo mhle, umfanekiso we-ultra-crisp ngokuqinisekileyo. Kodwa masicinge ngomzuzu ukuba umgangatho we-screen-cut-edge ayisiyiyo eyona nto iphambili, kwaye ujolise kakhulu ekusebenziseni imali yakho ngokufanelekileyo.
Ukuba usemarikeni yeTV entsha, uya kuba nzima ukuba ungathengi iseti ye-4K. Kungaphezulu okanye ngaphantsi kuya kuba ngumgangatho opheleleyo kubavelisi abaninzi beTV. Kukho okwahlukileyo koku: ukuba ujonge iseti encinci, njenge-32-incher yekhawuntari yekhitshi lakho mhlawumbi, uya kuhlala ufumana ezi zisese-HD epheleleyo. Kungenxa yokuba isikrini sobukhulu asifuni nje ukufaka iipixels ezisisi-8 kunye nesigidi se-Ultra HD kumabonwakude- amehlo akho awayi kuwaxabisa. (Ngolwazi oluthe kratya malunga nokukhetha ubungakanani beTV efanelekileyo kwindawo yakho yokubukela, ungafunda ukuba yeyiphi ubukhulu beTV ekufuneka ndiyithengile? Inqaku.
Kodwa iiseti zeTV ze-intshi ezingama-40 nangaphezulu, ezimfutshane zokuya kwivenkile yezixhobo ezisetyenziswayo, uya kusokola ukufumana naziphi na iiseti ezingezizo ze-4K ezenziwe kule minyaka imbalwa idlulileyo. Owu, kwaye ukuba uyazibuza ukuba nini i-4K ngokwayo eya kuhamba ngendlela ye-HD epheleleyo, i-Standard Definition kunye ne-cathode ray, sele isenzeka-sele uza kubona iiseti ze-8K kwintengiso. Kodwa ezi zibiza ngokungabizi, kwaye itekhnoloji iyakhanya kuphela kwii-intshi ezingama-75 ukuya kwezingama-intshi ezingama-85. Phefumla ngokulula: ulungile nge4K okwangoku.
Usenokuba sele ucinge: 'Inye into yokuba ne-TV ye-4K, kodwa yeyiphi imixholo endinokuyibukela kwi-4K?' Ukuba kunjalo, ungavuya xa usiva ukuba onke amaqonga aphambili okusasaza ahambisa umxholo we-4K kwizikrini ezilungiselelwe i-4K . INetflix, iVidiyo yeNkulumbuso yeAmazon, iYouTube, iHulu yonke ihambisa umxholo we-4K, ngelixa iApple kunye neGoogle zombini zibonelela ngokukhutshelwa kwe4K. I-iPlayer ye-BBC ifake i-toe kwi-4K, inika umxholo othile kwi-Ultra HD, kwaye ngokungathandabuzekiyo iya kubonelela ngakumbi nangakumbi kwixesha elizayo.
indlela ephela ngayo iitumato ezibolileyo
Inye kuphela into ekufuneka uyigcinile engqondweni, nangona kunjalo, kukuba umxholo we-4K usebenzisa inani elininzi lebhendi yakho ye-intanethi-ejikeleze i-25Mbps. Ukuba awuqinisekanga nokuba ibhendi yakho yangoku ilungele ukusasazwa kwe4K, qiniseka ukuba ufunda eyethu Ndifuna siphi isantya sebroadband inqaku.
Yintoni ekufuneka uyijongile xa uthenga i-TV ye-4K
Ukuba uthenga i-TV ye-4K, unokuziqinisekisa ukuba nawuphi na umxholo we-4K obukeleyo uya kuba ngumgangatho othile. Kodwa ayizizo zonke i-TV ze-4K ezenziwe ngokulinganayo: nazi apho izinto ziba nzima ngakumbi.
I-HDR
Ngomabonwakude we-4K, uyazi ukuba uya kuba nezo pixels zinga-8 ezizigidi phambi kwakho. Kodwa ukuba zinikwa kakuhle kangakanani zixhomekeke kumabonwakude we-HDR, okanye kwiDigital Dynamic Range. I-HDR luhlobo lwetekhnoloji eqinisekisa ukuba kukho umahluko oqinileyo phakathi kweepikseli eziqaqambileyo nezimnyama emfanekisweni, kwaye kukho uluhlu olwaneleyo lombala. Ekugqibeleni, imalunga nokufumana ezo pixels ukuba zilingise ubunyani ngokuchanekileyo ngokuchanekileyo.
Okwangoku, kukho inani leefomathi ezahlukeneyo ze-HDR. Uya kudibana namagama anjenge-HDR10, iDolby Vision, i-HLG, i-HDR10 +, kunye ne-HDR ePhambili ngeTechnicolor. Ingcebiso yethu kukuba ungaxhomeki kakhulu malunga ne-HDR xa uthenga i-TV ye-4K, nokuba abavelisi banokuba yintshatsheli yiphi na ifomathi yenkxaso yabo kumabonakude. Umzekelo, abalandeli beNetflix banokugcina iso kwiDolby Vision, exhaswa yinkonzo yokusasaza- kodwa akufuneki ibe sisigqibo.
QLED kunye ne-OLED
Ngokwahlukileyo, itekhnoloji ye-OLED kunye ne-QLED yinto eyenza umahluko- ikakhulu kwithegi yamaxabiso ehamba nayo. Kutheni, unokubuza, ngaba I-Samsung 55-intshi TU7100 4K TV Ixabiso le- $ 529 kwiAmazon, ngelixa i I-TV ye-Samsung engama-55 intshi Q95T QLED 4K Ixabiso le- $ 1,134? Zombini iiTV zinobukhulu obulinganayo; zombini zi-4K. Kutheni umahluko wexabiso?
ixesha 9 fortnite
Ngenxa yokuba le yokugqibela ngumabonwakude ophambili obonisa itekhnoloji ye-QLED yohlobo. I-QLED isebenzisa 'amachaphaza anobungakanani' athatha indawo yeekristali zolwelo zeLCD. Siza kukusindisa kwisayensi enzima, kodwa ukushwankathela, la machaphaza makhupha ukukhanya kwawo, kwaye enze igalelo elikhulu kuthelekiso kunye namanqanaba ombala wesikrini seTV.
Nangona kunjalo, itekhnoloji ye-QLED kuphela ye-Samsung. Olunye uhlobo lobuchwephesha bomfanekiso oza kulibona kwenye indawo yi-OLED. Oku kumela i-Organic Light Emitting Diode, esebenza ngomlingo ofanayo kumanqanaba amnyama, umahluko kunye nokuhlaziya inqanaba layo nantoni na oyibukeleyo- ungangena kwiinkcukacha kwinto echazayo yeTV ye-OLED. Uya kufumana isikrini se-OLED kwiiTV eziphezulu ezivela kuzo zonke iimveliso eziphambili - zonke ngaphandle kweSamsung.
Iithelevishini ze-OLED zihlala zibiza kwicala elikude le- $ 1,000, ngeemodeli ezinkulu zeflegi ezibiza kabini okanye kathathu ngaphezulu. Ii-QLED zitshiphu kancinci, kodwa azibizi ngexabiso: ziqala nge- £ 750 ukuya kwi- £ 800. Ukufumana ngakumbi malunga neethelevishini, qiniseka ukuba ufunda eyethu Yintoni iQLED inqaku.
Unokufuna kwakhona ukujonga uluhlu lwe-LG's Nanocell, olusebenzisa itekhnoloji eyahlukileyo kwii-QLED kodwa kwiziphumo ezifanayo ze-OLED. Funda eyiphi i I-Nanocell TV icacisa ngakumbi ngale TV ye-LG.
Zeziphi iimveliso ezenza ezona TV zikumgangatho ophezulu ze4K?
Ngenxa yokuba iya isiba ngumgangatho ngokukhawuleza, ngokulula ungabuza nje umbuzo, 'Zeziphi iimveliso ezenza ezona TV zikumgangatho ophezulu ze4K?' Sinokukuxelela ukuba iinkokheli zentengiso zikamabonwakude ziiSamsung, LG kunye neSony, kwaye nakweyiphi na ithelevishini oyithengayo kwimigca yabo iya kubonelela. ngamava athembekileyo okubukela i-4K.
Iithelevishini zeSamsung zisebenzisa iTizen, iqonga lebrend smart eliphumelele ukunconywa ngokusebenziseka lula kwalo. Njengoko besitshilo, iimodeli zokugqibela eziphezulu zisebenzisa itekhnoloji ye-QLED eya kuthi iqinisekise ukuba nawuphi na umxholo we-4K obukeleyo ulungiselelwe ngokupheleleyo. Jonga kwi I-Samsung 55-intshi 4K Q95T umzekelo wenye yeeseti ze-brand QLED ze-4K.
Iithelevishini ze-LG, nazo, zezinye zeethelevishini ezingama-4K ezikhoyo zokuthenga. Iiplatifomu zeWebOS ezikrelekrele iiseti zebreki ezingama-4K zibonwa ngabaninzi njengezona zibalaseleyo phaya; jonga kwi I-LG 55-intshi CX 4K TV umzekelo wokuphela kokuphela okuphezulu kunye ne-OLED tech enhle.
Iithelevishini zikaSony ze4K, nazo, ziya kukubonelela ngamava agudileyo ngeqonga leGoogle TV kaGoogle elaziwa kakhulu. Uluhlu lweBravia lonwabele igama elihle ukusukela kwimihla yokuba umabonwakude we-HD yayiseyinto entsha edidayo; i I-Sony Bravia KD55XH81 ngoku yiminyaka ekhanyayo ngaphambili kumgangatho womfanekiso onokubonelela.
Funda inqaku lethu ngento eyi-TV efanelekileyo ngolwazi oluthe kratya kwelinye lala maqonga ahlakaniphile.
Iingcamango zomhla wokuzalwa we-30
Ukulawula ukhetho lwakho lwe-imeyile, Cofa apha.
IsibhengezoNgaba ufuna ukubona ukuba umabonwakude we-4K onqamlezayo ubonakala njani? Ungaphuthelwa sisikhokelo sethu kwi-Sony Bravia XR A90J.