Spears & Munsil Ultra HD Benchmark Umhlahlandlela Womsebenzisi

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Isingeniso

Siyabonga ngokuthenga i-Spears & Munsil Ultra HD Benchmark! Lawa madiski amele isiphetho samashumi eminyaka angokoqobo ocwaningo nokuthuthukiswa ukuze kwakheke izinto zokuhlola ezisezingeni eliphakeme kakhulu zevidiyo nomsindo. Iphethini ngayinye kulawa yakhiwe ngesandla kusetshenziswa isofthiwe edalwe yithi. Wonke ulayini kanye negridi kumiswe ngokunemba kwephikiseli elincane, futhi amaleveli ayahliswa ukuze akhiqize ukunemba kumadijithi angu-5 okunemba. Awekho amanye amaphethini okuhlola angaziqhayisa ngokunemba okufanayo.

Sithemba ukuthi lawa madiski azoba usizo kukho kokubili osanda kungena kuvidiyo esezingeni eliphezulu kanye nakunjiniyela wevidiyo ochwepheshe noma isikali. Kukhona okuthile okungokoqobo kwawo wonke umuntu lapha.

Sicela uvakashele iwebhusayithi yethu: www.spearsandmunsil.com, ukuze uthole ulwazi olwengeziwe, izihloko kanye namathiphu.

Umhlahlandlela Wabaqalayo 

Isingeniso

Lesi sigaba somhlahlandlela siklanyelwe ukukuthatha isinyathelo ngesinyathelo ngesethi eqondile yokulungiswa nokulinganiswa okungadlalwa noma yimuphi umthandi wetiyetha yasekhaya ngaphandle kokudinga amathuluzi okuhlola akhethekile. Ekupheleni kwale nqubo, uzo:

• Yazi amagama athile ayisisekelo ngezilungiselelo nezici zamavidiyo ahlukahlukene.
• Setha amamodi ayisisekelo nezilungiselelo ku-TV yakho kanye nesidlali se-Blu-ray Disc esizokunikeza ikhwalithi yesithombe efanelekile.
• Ulungise ngokugcwele izilawuli zesithombe eziyisisekelo zakho kokubili okokufaka kwe-SDR ne-HDR.

 

Ulwazi Lwesizinda Esiyisisekelo

I-UHD vs 4K

Ngokuvamile uzobona amagama e-Ultra High Definition (noma i-UHD) esetshenziswa ngendlela efanayo ne-4K. Lokhu akulungile neze. I-UHD iyindinganiso kamabonakude, echazwa ngokulungiswa kwe-HDTV egcwele kabili kuzo zombili izinhlangothi. I-HD egcwele ingu-1920x1080, ngakho i-UHD ingu-3840x2160.

I-4K, ngokuphambene, yitemu elivela ebhizinisini lama-movie nesinema yedijithali, futhi ichazwa njenganoma iyiphi ifomethi yesithombe sedijithali enamaphikseli avundlile angu-4096 (nokulungiswa okuqondile kuyehluka kuye ngefomethi yesithombe ethiNspecific). Njengoba i-3840 isondele kakhulu ku-4096, uzovame ukubona amagama amabili asetshenziswa ngokushintshana. Sizosebenzisa igama elithi “UHD” ukuze sibhekisele kuvidiyo efakwe ikhodi ngokulungiswa kwamaphikseli angu-3840x2160.

Izintambo ze-HDMI nezixhumi

Izinga le-HDMI libuyekezwe izikhathi eziningi, futhi ukubuyekezwa okusha ngakunye kuvumela ama-bitrate aphezulu ukunika amandla ukulungiswa okuphakeme noma ukujula okuphezulu kwebhithi ngephikseli ngayinye. Kungaba nzima ukuthola ukuthi yiluphi uhlobo lwezintambo ze-HDMI ozidingayo, njengoba abakhiqizi bezintambo kwesinye isikhathi banikeza inombolo yokubuyekeza ye-HDMI abahambisana nayo, noma isixazululo, noma isixazululo nokujula kancane, noma isitatimende esingacacile njengokuthi “isekela i-4K. ”.

Ukuze uthole okuningi ku-UHD ne-HDR ye-Blu-ray Discs nevidiyo ye-UHD esakazwayo manje, uzodinga amakhebuli e-HDMI akwazi ukudlula amagigabhithi angu-18 ngomzuzwana (Gb/s). Amakhebuli ahlangabezana nalesi sici nawo alebulwe ngokuthi “HDMI 2.0” noma ngaphezulu. Noma iyiphi ikhebula ye-HDMI ehambisana okungenani nenguqulo engu-2.0 kufanele ilungile, kodwa bheka isitatimende esicacile sokuthi ikhebula likalwe okungenani ngo-18 Gb/s.

I-UHD Blu-ray Disc Players

Lokhu kungase kubonakale kusobala, kodwa ukuze usebenzise i-Ultra HD Benchmark, uzodinga isidlali se-UHD Blu-ray Disc! Ungathola imodeli ezimele kwa-LG, Sony, Philips, Panasonic noma Yamaha, noma ungasebenzisa i-Microsoft Xbox One X, One S noma Series X, noma i-Sony PlayStation 5 (i-Disc Edition). AbakwaSamsung no-Oppo babuye benza izidlali ze-UHD Blu-ray Disc, futhi zisatholakala zisetshenziswa noma njengezitoko ezindala ezitolo.

Uma ungakabi naso isidlali se-Ultra HD Blu-ray Disc, sincoma ukuthi uthole esisekela i-Dolby Vision. Kodwa ungakhathazeki uma usuvele unaye umdlali ongenaDolby Vision; kufanele isebenze kahle nge-Ultra HD Benchmark.

I-Ultra HD Panel Displays vs. Projectors

Ngokungeziwe kumathelevishini esimanje anephaneli eyisicaba, inani elikhulayo lamaphrojetha wevidiyo abathengi manje linesixazululo esingu-3840x2160—noma okungenani ukulinganiselwa kwakho—kanye nekhono lokukhiqiza kabusha okuqukethwe kobubanzi obuguquguqukayo obuphezulu (HDR). Kodwa amaphrojekhtha omthengi awakwazi ukufeza noma yikuphi eduze kwamazinga okukhanya kwama-TV anephaneli eyisicaba, ngakho kufanele alebulwe ngokuthi “Extended Dynamic Range” (noma i-EDR) kune-HDR. Noma kunjalo, ngisho noma engakwazi ukukhiqiza ukukhanya okufanayo, angamukela futhi abonise amasiginali we-HDR, futhi i-Ultra HD Benchmark disc ingasetshenziswa ukuthuthukisa amaphrojekhtha kanye namathelevishini. Ungalindeli ukuthi i-HDR ibukeke “inamandla” njengoba izoba njalo ephanelini elihle eliyisicaba njengesibonisi sesimanje se-OLED.

Into eyodwa okufanele uyiqaphele ukuthi inani elifanelekile lamaphrojekhtha e-“UHD” noma “4K” asebenzisa i-DLP enokulungiswa okuphansi noma iphaneli ye-LCOS empeleni engenawo amaphikseli angu-3840x2160 alungisekayo. Lawa madivayisi alingisa ukulungiswa okuphezulu ngokususa iphaneli yesithombe somzimba enokulungiswa okuphansi inani elincane liye emuva naphambili ngokushesha okukhulu kuyilapho ishintsha isithombe esisephaneli ekuvumelaniseni ngokugudluka kwesivinini esikhulu. Bangakwazi futhi ukushiya iphaneli endaweni kodwa basuse isithombe ingxenye yephikseli baye phambili naphambili esikrinini ngokunyakaza okuncane kwesibuko noma ilensi ndawana thize endleleni yokubona. Lezi zibonisi zinesithombe esingcono kakhulu kunesibonisi se-HD, kodwa empeleni asisihle njengesibonisi se-UHD sangempela, futhi indlela eshintshayo ingakhiqiza izinto zobuciko eziyinqaba. Ngokuvamile, sincoma ukunamathela kwizibonisi ezinephaneli yomdabu yangempela enokulungiswa okugcwele kwe-UHD.

Ungazulazula kanjani kumamenyu e-Ultra HD Benchmark Disc

Kunamadiski amathathu ephaketheni le-Ultra HD Benchmark. Idiski ngayinye inamamenyu ahlukene kanye nezinketho zokumisa ezihlukile eziqondene namaphethini kuleyo diski, kodwa wonke anesakhiwo esifanayo futhi asebenzisa izinqamuleli ezikude ezivamile.
Imenyu enkulu, ngakwesobunxele kwesikrini semenyu, ibonisa izingxenye ezinkulu zediski. Izigaba eziningi zinezigatshana, ezihlelwe phezulu kwesikrini. Ukuze uye esigabeni, cindezela umcibisholo wesokunxele kusilawuli kude sesidlali se-Blu-ray Disc kuze kugqanyiswe isigaba samanje, bese ucindezela umcibisholo oya phezulu noma phansi ukuze uye engxenyeni oyifunayo.

Ukuze uye esigatshaneni, cindezela umcibisholo ongakwesokudla ukuze uhambise okugqamile kwenye yezinketho ezikusikrini samanje semenyu, bese ucindezela umcibisholo oya phezulu kuze kube yilapho kugqanyiswa igama lesigatshana phezulu kwesikrini. Bese usebenzisa imicibisholo yesokunxele nesokudla ukuze ukhethe isigatshana osifunayo.

Uma ususikhethile isigaba nesigatshana osifunayo, cindezela umcibisholo oya phansi ukuze uhambise okuvelele kokukhethwa kukho kulelo khasi lemenyu ethile, bese usebenzisa okhiye bemicibisholo emine ukuhambahamba nokukhetha iphethini noma inketho. Sebenzisa inkinobho ethi Enter (maphakathi nezinkinobho zemicibisholo emine kuzilawuli kude zesidlali se-Blu-ray Disc) ukuze udlale leyo phethini noma ukhethe leyo nketho.

Izinqamuleli Ezingaphakathi Kwephethini

Ngenkathi iphethini iboniswa esikrinini, ungasebenzisa umcibisholo ongakwesokudla ukuze uye kuphethini elandelayo ngaphakathi kwaleso sigatshana sediski. Ungasebenzisa umcibisholo wesokunxele ukuze uye kuphethini yangaphambilini kuleso sigatshana. Uhlu lwamaphethini esigatshaneni ngasinye lisonga ngeluphu, ngakho-ke ukucindezela umcibisholo wesokudla ngenkathi ubuka iphethini yokugcina esigatshaneni kuya kuphethini yokuqala, futhi ukucindezela umcibisholo wesokunxele kuyilapho ubuka iphethini yokuqala esigatshaneni kuya kuphethini yokugcina.

Ngenkathi ubuka iphethini, ungacindezela umcibisholo oya phezulu ukuze ubonise imenyu ye-pop-up enezinketho zefomethi yevidiyo kanye nokukhanya okuphezulu. Sebenzisa okhiye bemicibisholo emine ukuze ukhethe ifomethi yevidiyo, kanye nokukhanya okuphezulu (kuphela uma ifomethi yevidiyo ekhethiwe kuyi-HDR10). Ukuze ushiye imenyu ngaphandle kokushintsha noma yini, ungakhetha ifomethi yamanje, noma ucindezele umcibisholo oya phansi izikhathi eziningi kuze kube yilapho imenyu ihamba.

Okokugcina, ngenkathi ubuka amaphethini amaningi, ungacindezela umcibisholo oya phansi ukuze ubonise amanothi namathiphu aleyo phethini, okuhlanganisa imiyalelo yokuthi ungayihumusha kanjani leyo phethini, uma iphethini iwusizo ekulungiseni kweso lenyama. Amaphethini enzelwe ukuthi izikali ezichwepheshile zisetshenziswe nezinto zokuhlola, eziningi zazo eziqukethwe esigabeni Sokuhlaziywa Kwevidiyo, azinawo la manothi, njengoba izincazelo ziyinkimbinkimbi kakhulu ukuthi zingangena ekhasini elilodwa lemenyu.

Ukulungiselela Itiyetha Yakho Yasekhaya

Ixhuma Isidlali

Sincoma njalo ukuxhuma isidlali se-Blu-ray Disc (BD) ngqo ku-TV, ngisho noma une-AV Receiver ethi ihambisana ne-HDMI 2.0 ne-HDR. Abamukeli be-AV badume kabi ngokusebenzisa ukucutshungulwa kuvidiyo, okungafaka engcupheni ikhwalithi futhi kwengeze ubunzima bokulandelela umsuka wezimbangela zama-artifact evidiyo. Uma kungenzeka, nikela okukodwa kwe-TV yakho emthonjeni wakho wekhwalithi ephezulu, isidlali sakho se-Blu-ray Disc, ngisho noma yonke eminye imithombo yevidiyo yakho idluliswa kumamukeli wakho.

Uma isidlali sakho se-BD sinokukhipha kwesibili kwe-HDMI komsindo, sebenzisa lokho okukhiphayo ukuze uxhume isidlali Kusamukeli se-AV noma iphrosesa yomsindo, kanye nokukhishwayo okuyinhloko kwe-HDMI ukuze uxhume ku-TV.

Uma isidlali sinokukhipha okukodwa kuphela, bheka ukuthi i-TV inaso yini i-Audio Return Channel (ARC) noma i-Enhanced Audio Return Channel (eARC) HDMI input bese Isamukeli sakho se-AV sine-ARC noma i-eARC HDMI okukhiphayo. Uma kunjalo, ungavula i-ARC noma i-eARC kuwo womabili amadivayisi, futhi wenze i-TV ikhiphe umsindo kusiginali ye-HDMI ehlanganisiwe bese uwuthumela emuva kumamukeli. Ngokuyisisekelo, i-eARC inikeza amandla okuthumela umsindo we-TV “emuva” kukhebula ye-HDMI exhunywe Kusamukeli se-AV. Ngemva kwalokho ungakwazi ukuxhuma isidlali se-Blu-ray Disc noma ibhokisi lokusakaza-bukhoma kokunye okokufaka ku-TV, futhi i-TV izothumela umsindo nge-eARC, ibuyele kumamukeli. Ividiyo ehlanganisiwe + yomsindo isuka kusidlali iye ku-TV kwesinye seziteshi zokufaka ze-TV, bese umsindo ubuyela ku-AV Receiver esiteshini sokufakwayo se-TV esihlukile (okuyinto kulesi simo eba okokukhiphayo komsindo – okudida kancane!)

Njengesibonelo, ake sithi umamukeli une-eARC ekukhipheni kwayo kwe-HDMI 1, futhi i-TV ine-eARC kokokufaka kwayo kwe-HDMI 2. Ungaxhuma okokukhiphayo kwe-AV Receiver's HDMI 1 kokokufaka kwe-TV ye-HDMI 2, futhi usebenzise amamenyu kuwo womabili amadivayisi ukuze unike amandla i-eARC. Ubungamisa umamukeli kokokufaka kwe-eARC (ngezinye izikhathi kubhalwe ukuthi “TV”). Bese uzoxhuma okukhiphayo kwesidlali se-Blu-ray Disc kokunye okokufaka ku-TV, isibonelo okokufaka kwe-TV kwe-HDMI 1. Uma unamanye amadivaysi axhunywe Kusamukeli se-AV kokunye okokufaka kwesamukeli, ngeke usebenzise i-eARC kulawo madivayisi - ungashintsha umamukeli uye esiteshini se-HDMI lawo madivayisi axhunywe kuso, bese usetha i-TV ku-HDMI 2. uma kunjalo, i-eARC ayisebenzi futhi uchungechunge lwesignali luqondile: Idivayisi yokudlala -> Isamukeli -> I-TV.

Uma enye yalezi zinketho isebenza ngetiyetha yakho yasekhaya, cishe uzodinga ukuhambisa okukhiphayo komdlali wakho usebenzisa Isamukeli sakho se-AV ukuze uthole umsindo ozodlalwa. Uma uthola ama-artifact evidiyo phakathi nokuhlolwa kwakho nokulungiswa, cabanga ukuxhuma isidlali ngokuqondile ku-TV ukuze ubone ukuthi ama-artifact abangelwa yini Isamukeli se-AV. Uma kunjalo, okungenani uzokwazi futhi ungakufaka lokho ezinhlelweni zakho zokuthuthukisa ithiyetha yasekhaya yesikhathi esizayo.

Qiniseka ukuthi usebenzisa izintambo ze-HDMI ezilinganiselwe ngo-18Gb/s noma okungcono, kanye/noma i-HDMI 2.0 noma okungcono. Udinga kuphela izintambo ze-HDMI zaleli banga ukuze uxhume isidlali ku-TV uma ividiyo yeqa isamukeli bese iqonda ngqo ku-TV. Uma ividiyo idluliswa kumamukeli noma ngebhokisi lokushintsha lesibili, izintambo ezisuka kusidlali ziye kumamukeli noma kubhokisi lokushintsha kanye namakhebuli asuka kumamukeli noma ibhokisi lokushintshela ku-TV adinga ukulinganiswa ngo-18Gb/s.

Inika amandla Izici Zevidiyo Ezithuthukile ku-TV

Ama-TV amaningi afika enezici ezimbalwa ezikhutshaziwe ongase ufune ukuzivula, njengama-bitrate aphezulu, i-gamut yombala enwetshiwe noma i-Dolby Vision. Ezinye zazo zizovula lezi zici ngokuzenzakalelayo uma zithola idivayisi engakwazi ukuzisebenzisa zixhunyiwe, ezinye zizokwazisa ukuthi kufanele unike amandla lezi zici, futhi ezinye zizovele zenqabe ukuvumela ukuxhumana nalezi zici uze uzivule mathupha.

Ngezansi kukhona inkomba yokuvumela lezi zici eziningana zezixhumi ezibonakalayo ze-TV ezivamile. Izixhumi ezibonakalayo ze-TV zingashintsha unyaka nonyaka, ngakho-ke ukuthola lezi zilungiselelo kungase kuhlanganise ukuphenya kancane kumamenyu noma ukufunda izigaba ezifanele zegayidi yomsebenzisi ye-TV yakho:

• Hisense: Ngamamodeli e-Android ne-Vidaa, cindezela inkinobho Yasekhaya kusilawuli kude, khetha Izilungiselelo, khetha Isithombe, khetha ifomethi ye-HDMI 2.0, khetha okuthi Thuthukile. Kumamodeli e-Roku TV, cindezela inkinobho Yasekhaya kusilawuli kude, khetha Izilungiselelo, khetha Okokufaka kwe-TV, khetha okokufaka kwe-HDMI okufunayo, khetha okuthi 2.0 noma Okuzenzakalelayo. Khetha Okuzenzakalelayo kukho konke okokufaka ukuze uzilungiselele ngokuzenzakalelayo nge-bitrate engcono kakhulu yesiginali abayitholayo.

• LG: Kufanele ishintshele ku-bitrate ephezulu ngokuzenzakalelayo lapho i-TV ithola i-HDR noma isignali yesikhala sombala ye-BT.2020. Ukuze usethe mathupha i-bitrate ephezulu, thola ipharamitha ebizwa nge-HDMI Ultra HD Deep Color. Indawo yayo ohlelweni lwemenyu ishintshile ngokuhamba kweminyaka; kule minyaka emibili edlule, ibitholakala kumenyu engaphansi Yezilungiselelo Ezengeziwe ngaphakathi kwemenyu Yezilungiselelo Zesithombe.

• Panasonic: Cindezela inkinobho yeMenu kusilawuli kude, khetha Okubalulekile, bese okuthi Izilungiselelo, bese kuba i-HDMI Auto (noma i-HDMI HDR), bese kuba okokufaka okuqondile kwe-HDMI (1-4) i-BD Player yakho exhunywe kukho. Khetha imodi enikwe amandla i-HDR (ebhalwe ukuthi 4K HDR noma efanayo)

• Philips: Cindezela inkinobho yeMenu kusilawuli kude, khetha Izilungiselelo Ezivamile, bese Zonke Izilungiselelo, bese Izilungiselelo Ezijwayelekile, bese kuba i-HDMI Ultra HD, bese kuba okokufaka kwe-HDMI ethile (1-4) i-BD Player yakho exhunywe kukho. Khetha imodi "Optimal".
  
  
• Samsung: Kufanele ishintshele ku-bitrate ephezulu ngokuzenzakalelayo lapho i-TV ithola i-HDR noma isignali yesikhala sombala ye-BT.2020. Ukuze usethe mathupha i-bitrate ephezulu, cindezela inkinobho Yasekhaya kusilawuli kude, khetha Izilungiselelo, khetha Okujwayelekile, khetha Umphathi Wedivayisi Yangaphandle, khetha I-Input Signal Plus, khetha okokufaka kwe-HDMI okusebenzisayo, cindezela inkinobho ethi Khetha ukuze unike amandla i-18 Gbps yalokho okokufaka.

• Sony: Cindezela inkinobho yasekhaya kusilawuli kude, khetha Izilungiselelo, khetha Okokufaka kwangaphandle, khetha amafomethi esignali ye-HDMI, khetha Ifomethi ethuthukisiwe.

• TCL: Cindezela inkinobho yasekhaya kusilawuli kude, khetha Izilungiselelo, khetha Okokufaka kwe-TV, khetha okokufaka kwe-HDMI okusebenzisayo, khetha Imodi ye-HDMI, khetha i-HDMI 2.0. Imodi ye-HDMI izenzakalela ibe yi-Auto, okufanele ivule ngokuzenzakalelayo i-bitrate ephezulu uma kunesidingo,

• Vizio: Cindezela inkinobho yeMenu kusilawuli kude, khetha Okokufaka, khetha Umbala Ogcwele we-UHD, khetha okuthi Nika amandla. Izilungiselelo eziyisisekelo ze-TV

Okokuqala, khetha imodi yesithombe se-Cinema, Movie noma Umenzi wefilimu yesibonisi, ngokuvamile okuyimodi yangaphandle kwebhokisi enembe kakhulu. Lokhu kulungiselelwa kwemodi yesithombe kuvame ukutholakala kumenyu Yesithombe yesibonisi.

Amanye ama-TV anemodi ye-Cinema engaphezu kweyodwa; isibonelo, amanye ama-LG TV azenzakalelayo ku-Cinema Home, kodwa imodi ebizwa ngokuthi i-Cinema ihamba phambili. Ungaqinisekisa lokhu ngokubonisa iphethini Yokuhlola Isikhala Semibala ye-HDR futhi ubheke isigaba Sokulandela I-ST2084 (bona i-Fig. 4). Unxande ngamunye kuleso sigaba ubukeka impunga eqinile—njengoba kufanele—uma ukhetha imodi yesinema ku-LG TV ka-2018 noma ka-2019. Ngokufanayo, imodi engcono kakhulu kuma-TV we-Sony ibizwa nge-Cinema Pro.

Okulandelayo, qinisekisa ukuthi izinga lokushisa lombala lisethwe kokuthi Okufudumele, ngokuvamile okuyisethingi enembe kakhulu yezinga lokushisa lombala. Imodi yesithombe se-Cinema ngokuvamile izenzakalela kulesi silungiselelo, kodwa kuwumqondo omuhle ukuhlola kabili. Ukulungiselelwa kwezinga lokushisa lombala kuvame ukutholakala kujule kumenyu Yesithombe sesibonisi esigabeni "sezilungiselelo ezithuthukisiwe".

Ama-TV amaningi akwa-Sony ne-Samsung anikeza izilungiselelo ezimbili ezifudumele: I-Warm1 ne-Warm2. Khetha i-Wam2 uma ingasebenzi. Futhi, ama-TV e-Vizio amasha awanazo nhlobo izilungiselelo ezifudumele; uma kunjalo, khetha Okuvamile.

Esinye isilungiselelo esibalulekile okufanele sihlolwe sivame ukubizwa ngokuthi Usayizi Wesithombe noma I-Aspect Ratio. Izinketho ezitholakalayo zalesi silungiselelo ngokuvamile zihlanganisa u-4:3, 16:9, isilungiselelo esisodwa noma ngaphezulu esibizwa ngokuthi i-Zoom, futhi ngethemba, eyodwa ebizwa ngokuthi i-Dot-by-Dot, Just Scan, Full Pixel, 1:1 Pixel Mapping, noma okuthile. kanjalo. Isilungiselelo esinegama elifana nalawo okugcina sibonisa ipixel ngayinye kokuqukethwe lapho kufanele ibe khona esikrinini, okuyiyona nto oyifunayo.

Kungani kunezilungiselelo ezingabonisi iphikseli ngayinye kokuqukethwe lapho kufanele ibe khona esikrinini? Iningi lezilungiselelo lihlanekezela isithombe ukuze ligcwalise isikrini, linyakaze amaphikseli futhi lihlanganise namaphikseli amasha ukwenza kanjalo. Futhi ezinye izilungiselelo zelula isithombe kancane kancane enqubweni ebizwa ngokuthi “i-overscanning,” eyayisetshenziswa kuma-TV e-analog ukuze kufihlwe ulwazi emaphethelweni ozimele ngamunye obekumele ungabonakali kubabukeli. Lokhu akubalulekile eminyakeni yama-TV nokusakazwa kwedijithali, kodwa abakhiqizi abaningi basakwenza.

Kuzo zonke lezi zimo, inqubo yokwelula isithombe-okubizwa ngokuthi "ukukala" -kuthambisa isithombe, ukunciphisa imininingwane ongayibona. Ukuze uthole okuningi ku-Ultra HD Benchmark, udinga ukwenza isiqiniseko sokuthi noma yikuphi ukukala, okuhlanganisa nokuskena ngaphezulu, kukhutshaziwe. Khetha i-Dot-by-Dot, Just Scan, Full Pixel, nanoma yini i-TV yakho ebiza imephu ye-pixel engu-1:1.

Ama-TV e-Hisense anezinhlaka ezihlukene zosayizi wesithombe kanye ne-Overscan. Vala i-Overscan bese usetha usayizi wesithombe ube Ichashazi-ngechashaza.

Ukuze uqinisekise ukuthi ukhubaze konke ukukala, bonisa Iphethini Yokunqampuna Kwesithombe, etholakala kokuthi Ividiyo Ethuthukisiwe->Imenyu yokuhlola. Ibhodi lokuhlola lephikseli elilodwa livela phakathi nendawo yaleyo phethini. Uma ukukala/ukuskena ngaphezulu kukhutshaziwe, ibhodi lokuhlola libukeka limpunga ngokufanayo. Uma kungenjalo, ibhodi lokuhlola lizoba nokuhlanekezela okungajwayelekile okubizwa nge-“moiré.” Uma usukhethe imephu ye-pixel engu-1:1, i-moiré kufanele inyamalale.

Ama-TV e-OLED ngokuvamile anomsebenzi obizwa ngokuthi “i-orbit,” ehambisa sonke isithombe phezulu, phansi, kwesokudla, nakwesokunxele ngephikseli eyodwa kanye ngesikhathi ukuze kwehliswe ithuba lokugcinwa kwesithombe noma “ukushiswa.”

Uma lesi sici sinikwe amandla—okuyinto evame ukuba ngokuzenzakalela—isiphetho sonxande owodwa wephethini yokunqampuna kwesithombe ebhalwe “1” ngeke ibonakale. Vala umsebenzi wokuzungeza ukuze uqinisekise ukuthi uyakwazi ukubona onxande abane ababhalwe ukuthi “1.”

Okulandelayo, qiniseka ukuthi zonke izici ze-TV ezibizwa ngokuthi “izithuthukisi” zikhutshaziwe. Lokhu ngokuvamile kufaka phakathi ukutolika kozimele, ukunwetshwa kwezinga elimnyama, ukugqama kwe-dynamic, ukuthuthukiswa komphetho, ukuncishiswa komsindo, nokunye. Iningi lalezi "zithuthukisi" empeleni zehlisa ikhwalithi yesithombe, ngakho zivale ngokujwayelekile.

Ngobubanzi obujwayelekile be-dynamic, ukulungiselelwa kwe-gamma yesibonisi kufanele kusondele ku-2.4 ngangokunokwenzeka. Ngaphandle kokuba nobuchwepheshe kakhulu, i-gamma inquma ukuthi isibonisi sisabela kanjani kumakhodi ahlukene okukhanya kusiginali yevidiyo. Amaphethini okuhlola e-SDR angompetha nge-gamma engu-2.4, ngakho-ke yilokho isibonisi okufanele sisethelwe kukho.

Njengoba ungalindela okwamanje, abakhiqizi abahlukene bacacisa isilungiselelo se-gamma ngendlela ehlukile. Abanye bacacisa inani langempela le-gamma (isibonelo, 2.0, 2.2, 2.4, njalo njalo), kuyilapho abanye becacisa izinombolo ezingaqondakali (ezifana no-1, 2, 3, njll.). Uma kungacaci ukuthi liyini inani langempela le-gamma elivela egameni elikumamenyu, kungcono ukuvele uliyeke.

Izilungiselelo Zomdlali Eziyisisekelo

Abadlali be-Ultra HD Blu-ray bahlinzeka ngesethi yabo yezilawuli okufanele uzihlole. Vula imenyu yomdlali futhi ubone ukuthi inikeza yini izilawuli zokulungiswa kwesithombe (njengokukhanya, ukugqama, umbala, ukugqama, ukucijile, ukunciphisa umsindo, njll.). Uma kunjalo, qiniseka ukuthi wonke asethelwe kokuthi 0/Cishiwe. Zonke lezi zilawuli kufanele zilungiswe ku-TV, hhayi isidlali.

Cishe bonke abadlali banikeza isilawuli sokulungiswa kokuphumayo, lokho kubadlali abaningi okufanele kusethelwe ku-UHD/4K/3840x2160. Lokhu kuzodala ukuthi umdlali akhuphule izinqumo ezisezingeni eliphansi ku-UHD, okuwukulungiswa kwezinto eziningi ku-Ultra HD Benchmark, ngakho izothunyelwa esibonisini ingashintshiwe. Ngenani elincane labadlali abanesethingi "eqondile yomthombo" ezothumela isignali ekulungisweni komdabu kwayo yomibili imithombo ye-UHD ne-HD, qhubeka usebenzise leyo modi.

Ngaphezu kwalokho, ezinye izidlali ze-Ultra HD Blu-ray—njengalezo ezisuka ku-Panasonic—zinekhono lokwenza iphimbo okuqukethwe kwe-HDR kwemephu ngaphambi kokuthi kuthunyelwe esibonisini. Kubadlali bePanasonic, nokho, ukuvula lesi sici kwethula ukuhlanganisa okuthile kwamanye amaphethini wokuhlola ku-Ultra HD Benchmark. Ngakho-ke, kungcono ukukhubaza lesi sici uma usebenzisa i-Ultra HD Benchmark.

Uma umdlali wakho enesikhala sombala kanye nezilawuli zokujula kancane, iphoyinti elihle lokuqala ukulisethela ku-10-bit, 4:2:2. Kamuva, ungasebenzisa iphethini Yokuhlola Isikhala Sombala ukuze uzame ezinye izikhala zemibala futhi ubone ukuthi uthola yini imiphumela engcono ngesikhala sombala esihlukile noma isilungiselelo sokujula kancane.

Uma umdlali wakho esekela i-Dolby Vision, qiniseka ukuthi ivuliwe. Uma kukhona inketho kumdlali yokukhetha ukucubungula "okuholwa ngabadlali" noma "okuholwa yi-TV" kwe-Dolby Vision, kufanele ukusethele kokuthi "okuholwa yi-TV." Lokhu kuqinisekisa ukuthi ulwazi lwe-Dolby Vision luthunyelwa ku-TV lungakathintwa.

Iningi lezinye izilawuli zesithombe kusidlali kufanele zihleleke zibe “okuzenzakalelayo,” lokho kulungile. Kuye ngomdlali, lokhu kungafaka i-aspect ratio, i-3D, ne-deinterlacing.

Ukucushwa kwe-Disc 1

Kunezigaba ezine eziyinhloko esikrinini sokucushwa kwe-Disc 1: Ifomethi yevidiyo, i-Peak Luminance, ifomethi yomsindo, kanye ne-Dolby Vision (ukuhlaziya).

Isilungiselelo sokuqala nesibaluleke kakhulu sithi “Ifomethi yevidiyo,” okungase kusethelwe ku-HDR10, HDR10+, noma i-Dolby Vision. Uzobona umaki eduze kwamafomethi isidlali ne-TV ababikayo abawasekelayo. Uma ulindele ukubona uphawu lokuhlola eduze kwefomethi kodwa ungayiboni, ungase ufune ukuqinisekisa ukuthi ifomethi okukhulunywa ngayo isekelwa yikho kokubili isidlali kanye ne-TV, nokuthi inikwe amandla kuzo zombili izisetshenziswa. Qaphela ukuthi amanye ama-TV akuvumela ukuthi ukhethe ngokukhetha amandla noma ukukhubaza amafomethi ngokokufaka ngakunye, ngakho qiniseka ukuthi okokufaka kwe-HDMI ethile oyisebenzisayo kunefomethi ofuna ukuyisebenzisa evuliwe. Uma uqiniseka ukuthi amadivayisi asekela ifomethi, ungakhetha leyo fomethi ngisho noma ungaboni uphawu lokuhlola eduze kwalo.

Okwamanje, setha ifomethi yevidiyo ibe yi-HDR10. Kamuva, ungaphindela emuva futhi wenze kabusha lokhu kulinganisa namanye amafomethi evidiyo asekelwa ithiyetha yakho yasekhaya.

Okulandelayo I-Peak Luminance. Uma Ifomethi Yevidiyo isethelwe ku-HDR10, ileveli yokukhanya ephezulu ingashintshwa ngale menyu. Kufanele usethe lokhu kufane okuseduzane nokukhanya kwangempela okuphezulu kwesibonisi sakho. Uma ungalazi ukukhanya okuphezulu kwesibonisi sakho, kusibonisi sephaneli eyisicaba, simise sibe ngu-1000, noma iphrojekhtha, simise sibe ngu-350.

The Ifomethi yomsindo ukusetha kudiski ye-UHD kusanda kusetshenziselwa amaphethini okuvumelanisa kwe-A/V. Okwamanje, yiyeke.

Isilungiselelo sokugcina sithi I-Dolby Vision (Ukuhlaziya). Lesi silungiselelo sisebenza kuphela kumaphethini esigabeni Sokuhlaziya sediski, futhi kuphela uma Ifomethi Yevidiyo isethwe kokuthi I-Dolby Vision. Kufanele isethwe kokuthi I-Perceptual, okuzenzakalelayo.

I-Bias Lighting

Ngokufanelekile, kufanele ubuke i-TV egumbini elimnyama kakhulu, kodwa elingekho mnyama ngokuphelele. Kuma-suites e-mastering ezindaweni zokukhiqizwa kwangemuva kwevidiyo, zisebenzisa "i-bias light" ukuze zinikeze inani elaziwayo lokukhanya ezingeni elimhlophe elaziwayo.

Uma igumbi lakho limnyama ngokuphelele noma limnyama kakhulu, ungase uthande ukucabanga ngokuthola ukukhanya okuchemile, futhi ngenhlanhla iMediaLight, umsabalalisi we-Ultra HD Benchmark,
yenza izibani zokuchema ezinhle kakhulu futhi ezinenani elifanele. Izibani zazo zonke zilinganiselwe ku-D65, umbala ofanele wokubukwa kwevidiyo, futhi zinama-dimmers ukuze zilungiselwe ukukhanya okulungile. Landela imiyalelo efakwe ne-MediaLight ukuze uyikhweze ngemuva kwesibonisi noma isikrini sokubonisa ukuze ifreme isikrini ngokukhanya okumhlophe okuphansi kodwa okubonakalayo.

Uma ubuka ividiyo egumbini elingekho mnyama, cabanga ukuthatha izinyathelo zokwenza igumbi lifiphale ngendlela ongakwazi ngayo, ngokusebenzisa ama-shades alawula ukukhanya noma ama-blind. Vala izibani zegumbi eziningi ngangokunokwenzeka. Ekugcineni, nokho, yenza ukulinganisa kunoma iyiphi indawo ekhanyayo okuyo lapho ubuka izinto ezisezingeni eliphezulu. Ngamanye amazwi, uma uvamise ukubuka amamuvi ebusuku izibani zicishiwe, linganisa ebusuku izibani zivaliwe.

Iqinisekisa i-10-bit Display

Kubalulekile ukwenza isiqiniseko sokuthi uthola isignali egcwele ye-10-bit nokuthi akukho lutho kusidlali, i-TV nanoma imaphi amadivaysi aphakathi nendawo eyehlisa ukujula kwebhithi okusebenzayo kube yibhithi elingu-8.

Ukuze uhlole lokhu, vula ifayela I-Quantization Zungezisa iphethini ku-Advanced Video->Isigaba sokunyakaza. Ihlanganisa izikwele ezintathu eziqukethe i-gradient yombala ecashile. Ezikweleni ezibhalwe ukuthi “8-bit,” kufanele ubone ukuhlanganisa okuthile (okungukuthi izinguquko zombala zizobukeka zinyathelwe esikhundleni sokushelela kahle), kuyilapho kufanele ubone kungabikho ukuhlanganisa kulezo zindawo zezikwele ezibhalwe “10-bit.” Uma izikwele zonke zibonisa uhlobo olufanayo lokuhlanganisa, hlola ukuze uqiniseke ukuthi isidlali sisethelwe ekuphumeni okungu-10-bit noma ngaphezulu ukujula kwebhithi, futhi i-TV isethelwe ukwamukela amasiginali wokufaka angu-10-bit noma ngaphezulu. Ungase futhi udinge ukunika amandla imodi ye-HDR embotsheni yokufaka ye-HDMI, kuye nge-TV ethile.

Kwamanye ama-TV, izikwele ze-10-bit zisengabonisa ibhande elithile, ngisho noma i-TV nesidlali kokubili kumiswe ngendlela efanele, kodwa izikwele ze-10-bit kusafanele zibushelelezi ngokuphawulekayo kunezikwele ezingu-8-bit.

Ukwenza Ukulungiswa Kwesibonisi
Lungiselela i-Standard Dynamic Range (SDR)

Kungumqondo omuhle ukuqala nge-Standard Dynamic Range ngoba amanye ama-TV (ikakhulukazi i-Sony) asebenzisa izilungiselelo ze-SDR njengesisekelo sezinhlobo zawo ze-HDR, futhi kusenenani elibalulekile lokuqukethwe kwe-SDR emhlabeni.

Wonke amaphethini angezansi angatholakala ku-Disc 3 ku-Setup Video->Baseline section.

Brightness
Isilawuli sokuqala okufanele silungiswe Ukukhanya, okuphakamisa futhi kwehlise kokubili ileveli emnyama nokukhanya okuphezulu kwesibonisi. Ngamanye amazwi, ishintsha lonke ibanga eliguquguqukayo liye phezulu naphansi. Sikhathazekile kuphela ngomphumela wawo ezingeni labantu abamnyama; sizolungisa ileveli emhlophe ephezulu sisebenzisa isilawuli sokugqama ngemva kokusetha isilawuli sokukhanya.

Bonisa iphethini yokukhanya bese ubheka imithende emine eqondile phakathi nendawo yesithombe. Uma ungakwazi ukubona imithende emine, khulisa isilawuli sokukhanya uze ukwazi. Uma ukwazi ukubona imithende emibili kuphela kungakhathaliseki ukuthi Ukukhanya kuphezulu kangakanani, yeqela esigabeni "Enye Indlela", ngezansi.

Indlela Eyisisekelo

Khulisa isilawuli sokukhanya uze ubone yonke imithende emine. Nciphisa isilawuli kuze kube yilapho ungakwazi ukubona imithende emibili kwesokunxele kodwa ungabona imithende emibili kwesokudla. Umugqa ongaphakathi kwesokudla ngeke ubonakale, kodwa kufanele ukwazi ukuwubona.

Enye Indlela
Khulisa isilawuli sokukhanya kuze kube yilapho usukwazi ukubona imithende emibili kwesokudla ngokucacile. Nciphisa isilawuli kuze kube yilapho ingaphakathi (kwesokunxele) lemicu emibili livele linyamalale, bese ukhuphula inothi eyodwa yokuKhanya ukuze ukwenze kungabonakali.

Phawula umehluko owawukhona phakathi

Bonisa iphethini yokugqama, ehlanganisa uchungechunge lokucwayiza, onxande abanezinombolo. (Incazelo yalezo zinombolo ayibalulekile ngokwezinjongo zalo mhlahlandlela.) Yehlisa isilawuli Sokugqama se-TV kuze kube yilapho wonke ama-rectangles abonakala. Uma ungeke ukwazi ukwenza zonke izikwele zibonakale, kungakhathaliseki ukuthi i-Contrast isethwe phansi kangakanani, yehlise kuze kubonakale onxande abaningi ngangokunokwenzeka.

Uma usunawo wonke ama-rectangles abonakalayo (noma amaningi ngangokunokwenzeka), khulisa isilawuli Sokugqama kuze kunyamalale okungenani unxande owodwa, bese wehlise inotshi eyodwa ukuze ubuyisele unxande (ama) asanda kunyamalala.

Ubukhali

Ubukhali buyisilawuli esibaluleke kakhulu ukuze uthole isithombe esilungile. Ngokungafani nezilungiselelo eziningi zesithombe, ayinaso isilungiselelo esilungile. Ukusetha njalo kuhilela inani elithile lokubona komuntu siqu, futhi kuyazwela ebangeni lakho eliqondile lokubuka, usayizi wesibonisi sakho, kanye nekhono lakho lokubona lomuntu siqu.

Inqubo eyisisekelo yokusetha i-Sharpness ukuyivula kuze kube yilapho kuvela ama-artifact, bese uyibuyisela phansi kuze kube yilapho ama-artifact engasabonakali. Inhloso wukwenza isithombe sibe bukhali ngendlela ongasithola ngayo ngaphandle kokudala izinkinga zesithombe ezicasulayo.
Ukuze ubone ezinye zalezo zinkinga zesithombe ezicasulayo, qala ngokubonisa iphethini yobukhali esikrinini. Manje jikisa isilawuli sakho se-Sharpness siye phansi, bese uye phezulu. Zizwe ukhululekile ukuyisusa uye phambili ukusuka phezulu ukuya phansi njengoba ubheka iphethini. Ungase ufune ukusondela eduze kwesikrini ukuze ubone ukuthi yenzani esithombeni ngokucacile (kodwa ungalinganisi Ubukhali ngenkathi umi eduze kwesikrini).

Ama-artifact ongawabuka ahlanganisa:

• Moire - lokhu kubukeka njengama-contour namaphethelo angamanga ezingxenyeni ezinemininingwane emihle yesikrini. Kwezinye izingxenye ezinemininingwane ephezulu yephethini, kungase kungenzeki ukuqeda i-moiré ngisho noma i-Sharpness isethwe njengephansi ngangokunokwenzeka, kodwa ngokuvamile kuzoba nephuzu eliyinhloko ku-Sharpness range lapho i-moiré iqina ngempela futhi iphazamise.

• Ukukhala – lena i-artifact ebukeka njengemigqa emnyama noma emhlophe efiphele eduze kwamaphethelo acijile anomehluko ophezulu. Ngezinye izikhathi kuba nomugqa owodwa nje owengeziwe, futhi ngezinye izikhathi eminingana. Njengoba i-Sharpness ijike yehla yonke, akufanele ubone nowodwa wale migqa eyengeziwe, futhi uma ikhuphuke yonke indlela, imigqa eyengeziwe cishe izobonakala kahle.

• Ukunyathela - Emaphethelweni anediagonal kanye namajika angashoni, ungase ubone imiphetho ibukeke njengochungechunge lwezikwele ezincane ezihlelwe njengezitebhisi, esikhundleni somugqa omuhle obushelelezi noma ijika. Nge-Sharpness yonke indlela yehla, lo mphumela kufanele ube mncane, futhi ngakho konke ukuya phezulu, cishe uzowubona emigqeni eminingi esithombeni.

• Ukuthamba - Lena i-artifact eyenzeka lapho u-Sharpness usethelwe phansi kakhulu. Imiphetho iyeka ukubukeka ibukhali futhi icacile. Izindawo ezinemininingwane ephezulu njengamabhodi okuhlola kanye nemigqa ehambisanayo zivamise ukudida.

Uma usuzwa sengathi uyazi ukuthi yimaphi ama-artifact avela ngesibonisi sakho esithile kanye nesilawuli sakho Sobukhali, buyela endaweni yakho yokuhlala evamile.

Manje, setha i-Sharpness yonke indlela eya phansi kobubanzi bayo. Bese ulungisa ubukhali kuze kube yilapho uqala ukubona ama-artifact, noma aze abonakale kakhulu. Bese wehlisa Ubukhali kuze kube yilapho ama-artifact ahamba noma abe mnene, ngethemba ngaphambi kokuthi uqale ukubona ukuthambile kwesithombe.

Ngamanye ama-TV, kungase kube nephuzu elicacile lapho ukuthamba kuncishiswa khona futhi izinto zobuciko zingekho noma zingakhathazi. Kwezinye, ungase uthole ukuthi kufanele wamukele ukuthamba okuncane ukuze ugweme ezinye izinto zobuciko, noma kufanele wamukele izinto zobuciko ezincane ukuze ukhiphe ukuthamba. Ungase futhi uthole ukuthi okuncamelayo mayelana nokuthi yimaphi ama-artifact acasula kakhulu angase ashintshe njengoba ubuka okuqukethwe ku-TV yakho. Kungumqondo omuhle ukuphinde uvakashele lesi silawuli izikhathi ezimbalwa, ngemva kokuchitha isikhathi ubuka okuqukethwe kwekhwalithi enhle futhi ubone ukuthi hlobo luni lwama-artifact evidiyo avelele kuwe.

Ama-TV amaningi esimanje anezilungiselelo nezindlela eziningi eziyizinhlobo ezihlukene zokucija, futhi le phethini iyona efanele ukuwahlola wonke. Nazi izilungiselelo ezimbalwa nezindlela ezisenhliziyweni yohlobo oluthile lokucija noma lokuthambisa. Kungumqondo omuhle ukuwazama wonke ngenkathi ubuka iphethini ye-Sharpness ukuze ubone ukuthi benzani esithombeni. Njengokulawula kwe-Sharpness, zilungise zize zikhiqize isithombe esihle esicacile esinama-artifact amancane aphazamisayo.

• Ukulola:
• Clarity
• Ukuthuthukisa imininingwane
• Ukuthuthukiswa komphetho
• Isixazululo Esiphezulu
• Indalo Engokoqobo Yedijithali

• Ukuthambisa:
• Ukuncipha Kwomsindo
• I-Smooth Gradation

Umbala & Tint

Abantu abajwayele ukulinganiswa kwe-TV kusukela eminyakeni edlule ngokuvamile balindele ukulungisa Umbala & Tint, futhi iphethini yokuhlola edingekayo ukuze kuhlolwe futhi kulungiswe Umbala & Tint ifakwe ku-Ultra HD Benchmark, kodwa asikukhuthazi ukulungisa noma iyiphi yazo I-TV yesimanje. Funda ngezizathu.

Ezikhathini eziningi, ama-TV esimanje awadingi ukulungiswa noma yisiphi salezi zilawuli, ngaphandle uma kukhona okade edlala nazo ngokungafanele. Futhi kulezo zimo, mhlawumbe kungcono “ukusetha kabusha njengasekuqaleni” izilawuli ze-TV bese uqala kabusha. Izilawuli zombala kanye ne-Tint zishiywe kusukela ezinsukwini ze-TV yombala we-analog emoyeni, futhi azihambisani nevidiyo yedijithali yamanje. Futhi, ukuze uzilungise kahle, udinga ukuba nendlela yokubuka ingxenye eluhlaza okwesibhakabhaka nje yesithombe se-RGB.

Iziqaphi Zevidiyo Zokusakaza ezisetshenziswa ekukhiqizweni kwevidiyo zinemodi evala iziteshi ezibomvu neziluhlaza, okushiya kuphela isignali eluhlaza okwesibhakabhaka ibonakala, ukuze ochwepheshe bakwazi ukulungisa umbala nezilawuli ze-tint. Ezinsukwini zakudala zamashubhu TV, izilawuli zazihlala ziphuma kancane ekulungiseni njengoba amashubhu okuqapha eshisa futhi eguga, futhi kwakuyinto evamile ukuthi ama-TV abathengi aphume kancane ekulinganisweni ngisho noma emusha, ngenxa yokuhlukahluka kwezingxenye. . Ama-TV amanje awanazo izinkinga ezingalungiswa ngokulungisa Umbala noma I-Tint, futhi ambalwa kakhulu ama-TV anemodi eluhlaza okwesibhakabhaka kuphela.

Esikhathini esedlule, abanye basebenzise isihlungi esibanjiwe esiluhlaza okwesibhakabhaka esimnyama ukuze balungise Umbala & Tint. Lokhu kusebenza kuphela, noma kunjalo, uma okokuhlunga kuvimbe ngokuphelele konke okubomvu nokuluhlaza, kukubonisa izingxenye eziluhlaza okwesibhakabhaka kuphela zesithombe. Sibheke amakhulukhulu ezihlungi kule minyaka engu-20 edlule, futhi asikaze sithole isihlungi esisodwa esisebenza kuwo wonke ama-TV. Kule minyaka engu-10 edlule, ngokufika kwama-TV ane-gamut ebanzi kanye ne-Colour Management Systems (CMS), sibe nenkinga yokuthola izihlungi ezisebenza kunoma iyiphi i-TV.

Uma unesihlungi osiqinisekisile ukuthi sisebenza ne-TV yakho, noma i-TV yakho inemodi eluhlaza okwesibhakabhaka kuphela ongayivula, kukhona inkomba esheshayo ongayibuka ngokucindezela umcibisholo waphansi kusilawuli kude sesidlali sakho ngenkathi ubuka iphethini, noma umhlahlandlela onemininingwane eminingi otholakala kuwebhusayithi yeSpears & Munsil (www.spearsandmunsil.com)

Ngayo yonke leyo mixwayiso ephawuliwe, uzothola isihlungi esiluhlaza okwesibhakabhaka ephaketheni ngalolu hlobo lwe-Ultra HD Benchmark. Sikufake kakhulu ukuze abantu bakwazi ukuqinisekisa esikushoyo ngama-TV abo. Futhi, kunjalo, asekhona ama-TV okungenzeka ukuthi azosebenza ngesihlungi esiluhlaza okwesibhakabhaka. Zizwe ukhululekile ukuhlola iphethini ye-Colour & Tint, kodwa siyakugcizelela ngempela ukuthi cishe ayidingi ukulungiswa, futhi awukwazi ukuzilungisa ngesihlungi ngaphandle uma isihlungi sivimba konke okuluhlaza nokubomvu okubonakalayo (okuyinto ungaqinisekisa ngephethini Yombala & Tint).

Lungiselela i-HDR10

Uma usuzizwa uqiniseka ukuthi usilungise kahle isithombe se-SDR, sekuyisikhathi sokwenza ezinye izinguquko ezifanayo ku-HDR10. Ngenxa yokuthi i-HDR inendlela ehluke kakhulu yokwenza imephu amasignali evidiyo agqamile ezicini ezibonakalayo zesibonisi sakho, ezinye izilungiselelo ezisetshenziselwa i-SDR azihambisani ne-HDR, ngakho lokhu kulinganisa kufanele kuhambe ngokushesha okukhulu.

Okokuqala, faka i-Disc 1 - HDR Patterns. Letha isigaba sokumisa. Qiniseka ukuthi i-“HDR10” ikhethiwe esigabeni Sefomethi Yevidiyo. Setha Ukukhanya Okuphakeme kube yinketho eseduze nokukhanya okuphezulu kwesibonisi sakho (kukalwa nge-cd/m2). Uma ungakwazi ukukhanya okuphezulu kwesibonisi sakho, khetha okungu-1000 kwesibonisi sephaneli eyisicaba (i-OLED noma i-LCD), noma okungu-350 kweprojektha.

Ukugqama nokugqama

Ukulawulwa kokukhanya kufanele kulungiswe kusetshenziswa inqubo efanayo ncamashi esetshenziselwa i-SDR. Qiniseka ukuthi uyakwazi ukubona amabha amabili angakwesokudla, kodwa awukwazi ukubona amabha amabili angakwesokunxele.

Ukulawula Ukugqama akufanele kulungiswe ngokuvamile. I-Contrast control yakhelwe ukulungisa inqubo eqondile yokwenza imephu amasignali evidiyo e-SDR agqamile ekugqameni kwangempela kwesibonisi. Ayikho imephu elula enjalo yamasiginali wevidiyo ye-HDR.

Ama-TV esimanje e-HDR ane-algorithms "yokwenza imephu yethoni" ebeka imephu yezimpawu zevidiyo ezigqama kakhulu ekukhanyeni kwangempela kwesibonisi ngenkathi izama ukulinganisela ukukhanya okuhlosiwe, ukulondoloza imininingwane, nokukhulisa ukugqama. Lawa ma-algorithms ayinkimbinkimbi futhi anobunikazi futhi angashintsha ukusuka esigcawini kuye kwesinye. Kwamanye ama-TV, isilawuli sokugqama asitholakali kumodi ye-HDR, noma akunawo umthelela. Ama-TV avumela ukulungiswa kokugqama kuvame ukuziphatha ngendlela engalindelekile uma kulungiswa kude nezilungiselelo zefekthri. Inkampani kungenzeka ayikaze ihlole ukuthi kwenzekani ezinhlotsheni ezihlukene zokuqukethwe ngesilawuli Sokugqama silungiswe phezulu noma phansi. Kunoma ikuphi, akukho okujwayelekile kokuthi ukulawulwa kokugqama kufanele kusetshenziswe noma kulungiswe kanjani kumasiginali we-HDR.

Iphethini yokuqhathanisa ku-Ultra HD Benchmark inikezwa kakhulu njengephethini yokuhlola, ukuze ubone ukuthi ama-TV ahlukene azisingatha kanjani izindawo ezikhanyayo zesithombe, futhi ubone ukuthi kwenzekani uma ushintsha ukulungiselelwa kokukhanya Okuphakeme kumenyu yediski.

Ubukhali

Ubukhali kufanele futhi busethwe ngendlela efanayo ncamashi neyasethwa ngayo ku-HDR. Kungenzeka ukuthi uzogcina unesethingi efanayo eyisisekelo ye-Sharpness yakho kokubili i-SDR ne-HDR, kodwa ungakhathazeki uma ihluke kakhulu. Izinhlobo ezimbili ezihlukene zamavidiyo zingase zibe nama-algorithms okucija ahluke kakhulu. Amazinga ahluke kakhulu ahluke kakhulu kanye namaleveli esithombe amaphakathi angaphinda athinte ukubonakala kwama-artifact alolayo, ngakho izinga lobukhali elibukeka lilihle ku-SDR lingase libe nama-artifact abonakalayo naphazamisayo ku-HDR. Vele ulandele inqubo echazwe esigabeni se-SDR ngenhla ukuze usethe Ubukhali bufike ezingeni eliphezulu kakhulu elingakhiqizi ama-artifact angamukeleki.

Phinda i-HDR10+ kanye/noma i-Dolby Vision, Uma Idingeka

Uma isidlali sakho ne-TV zombili zisekela i-HDR10+, buyela emuva esigabeni sokucushwa kwe-Disc 1 bese ushintshela kumodi ye-HDR10+. Ukukhanya Okuphakeme Akudingekile ukuthi kusethwe, njengoba i-HDR10+ ibhala ngokuzenzakalelayo ukukhanya okuphezulu kwesigcawu ngasinye ku-bitstream. Phinda wenze ukulinganisa ukuze uthole Ukukhanya Nokukhanya, futhi uzizwe ukhululekile ukubheka iphethini yokuQhamisa uma ufuna ukwazi ukuthi i-HDR10+ iwaveza kanjani amaleveli evidiyo akhanyayo esibonisini sakho.

Uma isidlali sakho kanye ne-TV zombili zisekela i-Dolby Vision, futhi, buyela emuva futhi uvule imodi ye-Dolby Vision esigabeni sokucushwa se-Disc 1, bese wenza kabusha ukulungiswa kokugqama nokucaca.

Hlola I-Demonstration Material & Skin Tones

Manje njengoba usuwenze zonke izinguquko eziyisisekelo nezilungiselelo, kufanelekile ukubheka izinto zokubonisa neziqeshana zethoni yesikhumba ku-Disc 2.

Iziqeshana zethoni yesikhumba zikhona kakhulu ukuze zibheke amaphutha ebhalansi yombala ophelele kanye nezinkinga zokuhlanganisa ezicashile nezinkinga zokuposa. Isistimu yethu yokubuka izwela kakhulu emazingeni esikhumba, futhi izinto zobuciko zivame ukubonakala kakhulu ekushintsheni kwethoni yesikhumba ebushelelezi. Nge-TV elinganiswe kahle, ithoni yesikhumba sobuso kufanele ibukeke ibushelelezi futhi ingokoqobo ngaphandle kokusakazwa kombala okuphazamisayo noma izindawo eziqinile eziqinile zamathoni abomvu noma ansundu.

Izinto zokubonisa ku-Ultra HD Benchmark zidutshulwe kusetshenziswa amakhamera e-RED ekulungisweni komdabu okungu-7680x4320, kwase kucutshungulwa futhi kwashintshwa usayizi wesinqumo sokugcina esingu-3840x2160 kusetshenziswa isofthiwe yobunikazi ebhalwe ngabakwa-Spears & Munsil egcina ukuthembeka kombala okuphezulu kanye nobubanzi obuguqukayo phakathi nenqubo yokukhiqiza okuthunyelwe. .

Njengoba ubuka le nto, qiniseka ukuthi uqaphela indlela imibala ebukeka ngayo ngokwemvelo—okuluhlaza okwesibhakabhaka esibhakabhakeni namanzi, okuluhlaza kwamahlamvu, okumhlophe kweqhwa, okuphuzi nokuwolintshi ekushoneni kwelanga. Futhi, phawula imininingwane ezintweni ezifana noboya bezilwane ezincelisayo nezimpaphe zezinyoni kanye nezindwani zotshani namaphoyinti okukhanya emifanekisweni yasebusuku yedolobha. Kufanele kubonakale sengathi ubheke efasiteleni.

Ukuze ubone ukuthi i-HDR ithuthukisa kangakanani isithombe sisonke, dlala okuqoshiwe kwe-HDR vs. SDR. Kulokhu, isikrini sinqunywa phakathi ngomugqa ohlukanisayo ojikelezayo; ingxenye iku-HDR10 enokukhanya okuphezulu okungu-1000 cd/m2, kanti enye ingxenye iyi-SDR ekuphakameni okungu-203 cd/m2. Uhlangothi lwe-HDR kufanele lube nokugqama okuphezulu nokugqama, nemibala egqamile kunohlangothi lwe-SDR kunoma yisiphi isibonisi se-HDR sesimanje. Kufanele uthole ukuthi uhlangothi lwe-HDR lubukeka lucijile, lucwebile futhi lungokoqobo kakhulu kunohlangothi lwe-SDR, noma zombili zinokulungiswa kwesithombe se-Ultra HD (3840x2160).

Amamenyu Ediski
I-Disc 1 - Amaphethini we-HDR

Ukucushwa

•  Ifomethi yevidiyo - Isetha ifomethi esetshenziselwa amaphethini kudiski. Amaphethini ambalwa anikezwa kuphela ngefomethi ehambisana naleyo phethini - okungukuthi uma iphethini ingeyokuhlola i-Dolby Vision, izohlala iboniswa kusetshenziswa i-Dolby Vision, kungakhathaliseki ukuthi yini ekhethiwe lapha. Omaka eduze kwefomethi ngayinye babonisa ukuthi isidlali nesibonisi zombili ziyayisekela lelo fomethi yevidiyo. Akubona bonke abadlali abakwazi ukubona ngokunembile amafomethi asekelwa i-TV, ngakho uvunyelwe ukukhetha amafomethi umdlali acabanga ukuthi awasekelwe. Lokhu kungase kuphumele ekubonisweni okungalungile, noma ifomethi yevidiyo ibuyele ku-HDR10 (10,000 cd/m2), kuye ngokusetshenziswa okukhethekile kwesidlali sakho.
  
  
• I-Peak Luminance - Isetshenziselwa kuphela i-HDR10, lokhu kusetha ukukhanya okuphezulu okusetshenziselwa amaphethini. Ezimweni eziningi, lokhu empeleni kusetha ukukhanya okuphezulu okusetshenziswe iphethini. Kwezinye izimo lapho iphethini inezinga eligxilile elihambisana nephethini, njengewindi noma inkambu yokukhanya okunikeziwe, imethadatha kuphela ebikwe ku-TV iyashintsha. Ku-HDR10+ ne-Dolby Vision, amaphethini ahlala enziwa ngokukhanya okuwusizo okuphezulu kakhulu, futhi lesi silungiselelo asisebenzi.

• Ifomethi yomsindo (A/V Sync) – Isetha ifomethi yomsindo esetshenziselwa amaphethini okuvumelanisa kwe-A/V. Lokhu kukuvumela ukuthi uhlole Ukuvumelanisa kwe-A/V ngokuhlukene ngefomethi ngayinye yomsindo esekelwa uhlelo lwakho lwe-A/V.

• I-Dolby Vision (Ukuhlaziya) - Lesi silungiselelo siwusizo kuphela ekulinganisweni okuthuthukile. Ngezinjongo eziningi kufanele isethwe kokuthi I-Perceptual, okuyimodi evamile. Ireferensi esheshayo yamamodi:
• Okubonwayo: Imodi ezenzakalelayo.
• I-Absolute: Imodi ekhethekile esetshenziselwa ukulinganisa. Ikhubaza wonke amamephu ethoni futhi itshela isibonisi ukuthi sisebenzise ijika eliqinile le-ST 2084. Kungenzeka ingasebenzi kahle kubo bonke abadlali.
• Isihlobo: Imodi ekhethekile esetshenziselwa ukulinganisa. Ikhubaza konke ukwenza imephu yethoni futhi yenze isibonisi sisebenzise ijika laso lomdabu lokudlulisa. Kungenzeka ingasebenzi kahle kubo bonke abadlali.

Ukusetha Ividiyo
Isisekelo
Lawa amaphethini ajwayelekile okulinganisa amavidiyo namaphethini okulungisa.
Kunemiyalelo egcwele eyengeziwe etholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli-kude sakho somdlali ngenkathi ubuka iphethini ngayinye.

I-Optical Comparator
Lawa amaphethini awusizo ekulungiseni izinga lokushisa lombala ngesiqhathanisi se-optical. Ngokuqhathanisa umthombo omhlophe owaziwa-olungile we-optical comparator nezimagqabhagqabha esikrinini ungabona ukuthi kukhona okuningi kakhulu noma akwanele kokubomvu, okuluhlaza okotshani noma okuluhlaza okwesibhakabhaka ezingeni elimhlophe. Bese ulungisa lawo mazinga phezulu noma phansi kuze kube isikwele esimaphakathi esikrinini sifana nesiqhathanisi sokubonwayo.
Kunemiyalelo egcwele eyengeziwe etholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli-kude sakho somdlali ngenkathi ubuka iphethini ngayinye.

Ukuvumelanisa kwe-A/V
Lawa amaphethini awusizo ekuhloleni ukuvumelanisa komsindo nevidiyo. Izinga lozimele nokulungiswa kungakhethwa uma kwenzeka udinga ukulungisa ukuvumelanisa kwe-A/V ngokuhlukile kusilinganiso sozimele nokulungiswa kwevidiyo ngayinye. Amaphethini amane ahlukene amele izindlela ezine ezihluke kancane zokubuka ukuvumelanisa - sebenzisa noma iyiphi oyithola inembile kakhulu. Okubili kokugcina kuklanyelwe ukuvumela ukulinganisa okuzenzakalelayo kusetshenziswa idivayisi ye-Sync-One2, etholakala ngokuhlukene.

Kunemiyalelo egcwele eyengeziwe etholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli-kude sakho somdlali ngenkathi ubuka iphethini ngayinye.

Ividiyo Ethuthukisiwe
Uhlolojikelele

Lesi sigaba siqukethe amaphethini awusizo ukuze ochwepheshe nabashisekayo bahlole futhi balungise izici zevidiyo ezithuthukile. Lawa maphethini athatha ulwazi oluthuthuke kakhulu lwezisekelo zevidiyo.

Kukhona iziqondiso eziphelele ezitholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli kude sesidlali sakho ngenkathi ubuka iphethini ngayinye, kodwa qaphela ukuthi lawa maphethini awaklanyelwe izimfundamakhwela, futhi kwezinye izimo umbhalo wosizo wephethini unganikeza ukubuka konke okuyisisekelo kokuthi iphethini ingeye.

Kulinganisa
Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni isikali esivamile, ukucijile kanye nezinkinga ezihlobene nekhwalithi nokusebenza okutholakala kuzibonisi zamavidiyo zesimanje.

Umbala Wokuhlola
Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni izinkinga ezivamile ezihlobene nombala kanye nokusebenza okutholakala ezibukweni zamavidiyo zamanje.

Imizila
Lesi sigatshana siqukethe izinhlobonhlobo zamarempu ahlukene, okungamaphethini anonxande onegradient ukusuka kuleveli yokukhanya kuye kwenye, noma umbala owodwa uye komunye, noma womabili.

Resolution
Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukulungiswa okusebenzayo kwesibonisi.

Ukulinganisa kokulinganisa
Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukuthi isibonisi sibonisa kahle okuqukethwe kokubukeka okuhlukile okuhlukile, ikakhulukazi uma kusetshenziswa amalensi e-anamorphic noma amasistimu wokuqagela ayinkimbinkimbi. Kuwusizo futhi ekusizeni ukusetha amasistimu wokufihla ubuso athuthukile kuzikrini zokubonisa.

iphaneli

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni izici zamaphaneli aphathekayo we-OLED ne-LCD.

Qhathanisa Izilinganiso

Lesi sigatshana siqukethe amaphethini awusizo wokulinganisa ukugqama kwesiboniso, okuhlanganisa isilinganiso sokungafani se-ANSI nezinye izilinganiso zokungafani eziyisisekelo.

I-PCA

Lesi sigatshana siqukethe amaphethini awusizo ekulinganiseni Indawo Yokuqhathanisa Imibono (PCA), eyaziwa nangokuthi Ukulungiswa Kokukhanya Kwasemuva.

I-ADL

Lesi sigatshana siqukethe amaphethini awusizo wokulinganisa ukugqama kuyilapho kugcinwa Isilinganiso Sokukhanya Esimaphakathi esingashintshi (ADL).

Motion

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukulungiswa kanye nezinye izici zokusebenza kuvidiyo ehambayo. Lawa maphethini wonke afakwe ikhodi ku-23.976 fps.

Ukunyakaza kwe-HFR

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukulungiswa kanye nezinye izici zokusebenza kuvidiyo ehambayo. Lawa maphethini wonke abhalwe ngekhodi Ngezinga Lozimele Oluphezulu (HFR) ngo-59.94 fps.

Okukhethekile

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukuthi abadlali nezibonisi zithintwa kanjani izinguquko zemethadatha ye-Dolby Vision ne-HDR10. Ukukhetha i-HDR10+ esigatshaneni Sokucupha kuzophumela kufomethi ye-HDR10. Lesi sigatshana asithintwa izilungiselelo ze-Peak Luminance kanye ne-Dolby Vision (Analysis) esigabeni sokuhlela, njengoba sinezinguqulo zaso zalezo zilungiselelo.

Analysis
Uhlolojikelele

Lesi sigaba siqukethe amaphethini aklanyelwe ukusebenza ngemishini ethile yokulinganisa. Lawa maphethini awusizo kuphela kuma-calibrators angochwepheshe nonjiniyela bevidiyo. Lawa maphethini awaqukethe ulwazi losizo, njengoba ayinkimbinkimbi kakhulu ukuthi angachazwa esiqeshini esifushane sombhalo.

I-Grayscale

Lesi sigatshana siqukethe amaphethini abonisa izinkambu ezimpunga ezilula kanye namawindi ngezinjongo zokulinganisa nokuhlola.

cd / m2
Lesi sigatshana siqukethe amaphethini abonisa izinkambu ezimpunga kumazinga athile okukhanya, anikezwe ku-cd/m2.

Ukuphakama uma kuqhathaniswa nosayizi

Lesi sigatshana siqukethe izinkambu ezinosayizi abahlukene (okunikezwe ngamaphesenti endawo yesikrini emboziwe), konke ekukhanyeni okuphezulu (10,000 cd/m2).

I-ColorChecker

Lesi sigatshana siqukethe izinkambu ezibonisa imibala nezikali ezimpunga ezisetshenziswa ekhadini le-ColorChecker, elidizayinelwe ukuthi lisetshenziswe isofthiwe yokulinganisa ezenzakalelayo.
I-Saturation Shanela

Lesi sigatshana siqukethe ama-saturation sweep awusizo kusofthiwe yokulinganisa okuzenzakalelayo.

IGamut

Lesi sigatshana siqukethe amaphethini we-gamut awusizo kusofthiwe yokulinganisa okuzenzakalelayo.

I-Disc 2 – I-HDR Demonstration Material kanye namathoni esikhumba

Ukucushwa

• Inothi elikhethekile: Lezi zilungiselelo zisebenza kuphela kumaphethini okunyakaza kanye namathoni esikhumba. I-Demonstration Material iza ngamafomethi ahlukahlukene kanye nezinhlanganisela zokukhanya okuphezulu, ezifakwe kuhlu ngokusobala kuleso sigaba.
• Ifomethi yevidiyo - Isetha ifomethi esetshenziselwa amaphethini kudiski. Omaka eduze kwefomethi ngayinye babonisa ukuthi isidlali nesibonisi zombili ziyayisekela lelo fomethi yevidiyo. Akubona bonke abadlali abakwazi ukubona ngokunembile amafomethi asekelwa i-TV, ngakho uvunyelwe ukukhetha amafomethi umdlali acabanga ukuthi awasekelwe. Lokhu kungase kuphumele ekubonisweni okungalungile, noma ifomethi yevidiyo ibuyele ku-HDR10 (10,000 cd/m2), kuye ngokusetshenziswa okukhethekile kwesidlali sakho.
• I-Peak Luminance - Isetshenziselwa kuphela i-HDR10, lokhu kusetha ukukhanya okuphezulu okusetshenziselwa amaphethini. Ezimweni eziningi, lokhu empeleni kusetha ukukhanya okuphezulu okusetshenziswe iphethini. Kwezinye izimo lapho iphethini inezinga eligxilile elihambisana nephethini, njengewindi noma inkambu yokukhanya okunikeziwe, imethadatha kuphela ebikwe ku-TV iyashintsha. Ku-HDR10+ ne-Dolby Vision, amaphethini ahlala enziwa ngokukhanya okuwusizo okuphezulu kakhulu, futhi lesi silungiselelo asisebenzi.

Motion

Lesi sigaba siqukethe amaphethini amabili, abhalwe ngekhodi ngamanani ozimele amabili ahlukene, awusizo ekuhloleni izinkinga ezithile kuzibonisi zephaneli eyisicaba. Ukuze uthole okwengeziwe ngezindaba ezithile ezihlolwayo, bona umbhalo wosizo wephethini ethile ngokucindezela umcibisholo waphansi kusilawuli kude somdlali ngenkathi ubonisa eyodwa lalawa maphethini.

Amathoni Esikhumba

Lesi sigaba siqukethe iziqeshana zesampula zamamodeli, awusizo ekuhloleni ukukhiqizwa kabusha kwamathoni esikhumba. Amathoni esikhumba abizwa ngokuthi "imibala yenkumbulo" futhi isistimu yokubuka yomuntu izwela kakhulu ezindabeni ezincane ezibonakalayo ekukhiqizeni isikhumba. Izinkinga ezifana ne-posterization kanye nokuhlanganisa ngokuvamile zibonakala kakhulu esikhumbeni, futhi zingase zibonakale kancane ezinhlobonhlobo zesikhumba.

Qaphela ukuthi lesi sigaba siqukethe kuphela izinguqulo ze-HDR10, HDR10+ kanye ne-Dolby Vision yeziqeshana. Izinguqulo ze-SDR ziku-Disc 3 - SDR kanye Nomsindo.

Indaba Yomboniso

Lesi sigaba siqukethe okuqukethwe kwekhwalithi yereferensi ongakusebenzisa ukuze ubonise amandla evidiyo nawomsindo wesistimu yakho noma ukuhlola okokusebenza lapho uthenga abadlali abasha nezibonisi. Konke okuqukethwe kwakhiwe kusetshenziswa ama-bitrate aphakeme kakhulu kanye nokucindezelwa okutholakalayo okungcono kakhulu kanye nokwenza kahle, futhi kuyisimo sobuciko ngokuphelele. Ividiyo icutshungulwe kusukela kochwepheshe bokuqala kusetshenziswa isofthiwe ekhethekile eyakhiwe ngabakwa-Spears & Munsil esebenzisa ukucubungula ukukhanya komugqa we-radiometrically ngokunemba kwephoyinti elintantayo ukwenza konke ukukala nokuguqulwa kombala. Izindlela zokuhlukanisa ezinelungelo lobunikazi zikhiqiza okulingana namabhithi angu-13+ obubanzi obuguquguqukayo kuwo wonke amashaneli ombala.

Ukuze ubone ukuthi amafomethi ahlukene e-HDR akuthinta kanjani okuqukethwe kwevidiyo, i-montage yethulwa ngamafomethi amaningi, okuhlanganisa i-Dolby Vision, HDR10+, HDR10, Advanced HDR by Technicolor, Hybrid Log-Gamma ne-SDR.

Izilungiselelo zokucushwa kwediski azinakwa kulezi ziqeshana; ngayinye ifakwe ikhodi ngemethadatha ethile egxilile, futhi umsindo wonke ubhalwe ngekhodi ku-Dolby Atmos.

Ividiyo eyireferensi ineziqongo ezifinyelela ku-10,000 cd/m2. Kwamanye amafomethi, lezi ziqongo zigciniwe, kodwa imethadatha ifakiwe ehloselwe ukunikeza isibonisi ulwazi olwanele ukuze wenze kumephu ividiyo kumaleveli wokubonisa atholakalayo. Amanye amafomethi (aphawuliwe) enziwe ithoni yemephu ukuze kuncishiswe iziqongo zibe sezingeni eliphansi, nawo wonke amanye amaleveli alungiswe ukuze kukhiqizwe ividiyo eqediwe esondelene kakhulu nereferensi ngobuhle kuyilapho kuncishiswa ukusikwa okubi ekukhanyeni noma ekugcwalisweni.

Umbono weDolby: Isebenzisa ukuhlelwa kwereferensi okunoqongo kokuthi 10,000 cd/m2.

I-HDR10 +: Isebenzisa ukufakwa kwereferensi okunobude obungu-10,000 cd/m2, enemethadatha edizayinelwe isibonisi esiqondiwe esinokukhanya okuphezulu okungu-500 cd/m2.

I-HDR Ethuthukisiwe nge-Technicolor: Ithoni ifakwe kumephu ukuze ifinyelele ku-1000 cd/m2. I-HDR10:

• 10,000 BT.2020: Isebenzisa ukuhlelwa kwereferensi okunoqongo kokuthi 10,000 cd/m2.
• 2000 BT.2020: Ithoni ifakwe kumephu ukuze ifinyelele ku-2000 cd/m2.

• 1000 BT.2020: Ithoni ifakwe kumephu ukuze ifinyelele ku-1000 cd/m2.
• 600 BT.2020: Ithoni ifakwe kumephu ukuze ifinyelele ku-600 cd/m2.
• I-HDR Analyzer: Isebenzisa ukuhlelwa kwereferensi okunoqongo kokuthi 10,000 cd/m2. Kufaka phakathi ukubuka kwe-waveform monitor monitor (ku-UL), ukubuka kombala we-gamut (nge-UR) isithombe esingavuthiwe (ku-LL) kanye nokubukwa kwe-grayscale lapho amaphikseli aphenduka abomvu lapho umbala uphumela ngaphandle kukanxantathu we-P3 (ku-LR).
• I-HDR vs SDR: Ibonisa ukubuka kwesikrini okuhlukanisiwe kwenguqulo engu-1000 cd/m2 kanye nenguqulo elingisisiwe ye-SDR (esiqongweni esingu-203 cd/m2). Ulayini ohlukanisiwe uyazungeza phakathi nesiqeshana ukuze kube lula ukubona umehluko.
• Ibanga eliqhudelana ne-Ungraded: Ibonisa ukubuka kwesikrini okuhlukene kwevidiyo eluhlaza engazange ifakwe umbala uma iqhathaniswa nenguqulo yezinga lombala. Isebenzisa umbhalo wekhodi wethoni onebalazwe eliphakeme elingu-1000 cd/m2. Ulayini ohlukanisiwe uyazungeza phakathi nesiqeshana ukuze kube lula ukubona umehluko.
• I-Hybrid Log-Gamma: Ithoni ifakwe kumephu ukuze ifinyelele phezulu ku-1000 cd/m2 futhi ifakwe ikhodi kusetshenziswa umsebenzi wokudlulisa we-Hybrid Log-Gamma (HLG) endaweni yombala ye-BT.2020.

I-SDR: Ibuyiselwe ku-SDR kanye nesikhala sombala se-BT.709.
I-Disc 3 – Amaphethini e-SDR nokulinganiswa komsindo

Ukucushwa

• Isikhala Sombala – Ivumela ukukhethwa kwezikhala zemibala ye-BT.709 noma BT.2020. Cishe konke okuqukethwe komhlaba wangempela kwe-SDR kufakwe ikhodi ku-BT.709, kodwa ukucaciswa kuvumela i-SDR ku-BT.2020, ngakho sinikeze wonke amaphethini kuzo zombili izikhala zemibala. Ngezinjongo eziningi zokulinganisa, i-BT.709 yanele.

• Ifomethi yomsindo (A/V Sync) – Isetha ifomethi yomsindo esetshenziselwa amaphethini okuvumelanisa kwe-A/V. Lokhu kukuvumela ukuthi uhlole Ukuvumelanisa kwe-A/V ngokuhlukene ngefomethi ngayinye yomsindo esekelwa uhlelo lwakho lwe-A/V.

• Amazinga omsindo nokuphathwa kweBass – isetha ifomethi ethize yomsindo nesakhiwo sesipikha esisetshenziselwa Amazinga Omsindo nokuhlolwa komsindo Wokuphathwa KweBass. Kufanele wenze izivivinyo ngokuhlukene kuwo womabili amafomethi omsindo uma isistimu yakho ikwazi ukudlala womabili. Izilungiselelo zesipika kufanele zisethelwe esakhiweni sangempela sesipikha onaso ohlelweni lwakho lwe-A/V.

Ukusetha Ividiyo
Isisekelo

Lawa amaphethini ajwayelekile okulinganisa amavidiyo namaphethini okulungisa.
Kunemiyalelo egcwele eyengeziwe etholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli-kude sakho somdlali ngenkathi ubuka iphethini ngayinye.

I-Optical Comparator

Lawa amaphethini awusizo ekulungiseni izinga lokushisa lombala ngesiqhathanisi se-optical. Ngokuqhathanisa umthombo omhlophe owaziwa-olungile we-optical comparator nezimagqabhagqabha esikrinini ungabona ukuthi kukhona okuningi kakhulu noma akwanele kokubomvu, okuluhlaza okotshani noma okuluhlaza okwesibhakabhaka ezingeni elimhlophe. Bese ulungisa lawo mazinga phezulu noma phansi kuze kube isikwele esimaphakathi esikrinini sifana nesiqhathanisi sokubonwayo.

Kunemiyalelo egcwele eyengeziwe etholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli-kude sakho somdlali ngenkathi ubuka iphethini ngayinye.

Audio
Uhlolojikelele

Lawa “maphethini” ngokuvamile amasiginali okuhlolwa komsindo, awusizo ekusetheni nasekuhloleni ingxenye yomsindo yesistimu yakho ye-A/V.

Amazinga

Lesi sigatshana siqukethe amasignali omsindo awusizo ekusetheni amazinga omsindo esipikha ngasinye ohlelweni lwakho. Umbhalo wosizo uboniswa esikrinini ngenkathi umsindo udlala.

Ukuphathwa Kwebhesi

Lesi sigatshana siqukethe amasignali omsindo awusizo ekusetheni ukuphambana kokuphathwa kwe-bass nezindlela zesamukeli sakho se-A/V noma iphrosesa yomsindo. Umbhalo wosizo uboniswa esikrinini ngenkathi umsindo udlala.

I-Panning

Lesi sigatshana siqukethe amasignali omsindo awusizo ekuhloleni ukuma okuphelele, i-timbre nokumataniswa kwesigaba kwezipikha zakho. Umbhalo wosizo uboniswa esikrinini ngenkathi umsindo udlala.

Rattle Test

Lesi sigatshana siqukethe amasignali omsindo awusizo ekuhloleni igumbi lakho ukukhala okungafuneki noma ukuhlengezela. Umbhalo wosizo uboniswa esikrinini ngenkathi umsindo udlala.

Ukuvumelanisa kwe-A/V

Lawa amaphethini awusizo ekuhloleni ukuvumelanisa komsindo nevidiyo. Izinga lozimele nokulungiswa kungakhethwa uma kwenzeka udinga ukulungisa ukuvumelanisa kwe-A/V ngokuhlukile kusilinganiso sozimele nokulungiswa kwevidiyo ngayinye. Amaphethini amane ahlukene amele izindlela ezine ezihluke kancane zokubuka ukuvumelanisa - sebenzisa noma iyiphi oyithola inembile kakhulu. Okubili kokugcina kuklanyelwe ukuvumela ukulinganisa okuzenzakalelayo kusetshenziswa idivayisi ye-Sync-One2, etholakala ngokuhlukene.

Kunemiyalelo egcwele eyengeziwe etholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli-kude sakho somdlali ngenkathi ubuka iphethini ngayinye.

Ividiyo Ethuthukisiwe
Uhlolojikelele

Lesi sigaba siqukethe amaphethini awusizo ukuze ochwepheshe nabashisekayo bahlole futhi balungise izici zevidiyo ezithuthukile. Lawa maphethini athatha ulwazi oluthuthuke kakhulu lwezisekelo zevidiyo.

Kukhona iziqondiso eziphelele ezitholakalayo ngokucindezela inkinobho yomcibisholo waphansi kusilawuli kude sesidlali sakho ngenkathi ubuka iphethini ngayinye, kodwa qaphela ukuthi lawa maphethini awaklanyelwe izimfundamakhwela, futhi kwezinye izimo umbhalo wosizo wephethini unganikeza ukubuka konke okuyisisekelo kokuthi iphethini ingeye.

Kulinganisa

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni isikali esivamile, ukucijile kanye nezinkinga ezihlobene nekhwalithi nokusebenza okutholakala kuzibonisi zamavidiyo zesimanje.

Umbala Wokuhlola

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni izinkinga ezivamile ezihlobene nombala kanye nokusebenza okutholakala ezibukweni zamavidiyo zamanje.

Imizila

Lesi sigatshana siqukethe izinhlobonhlobo zamarempu ahlukene, okungamaphethini anonxande onegradient ukusuka kuleveli yokukhanya kuye kwenye, noma umbala owodwa uye komunye, noma womabili.

Resolution

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukulungiswa okusebenzayo kwesibonisi.

Ukulinganisa kokulinganisa

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukuthi isibonisi sibonisa kahle okuqukethwe kokubukeka okuhlukile okuhlukile, ikakhulukazi uma kusetshenziswa amalensi e-anamorphic noma amasistimu wokuqagela ayinkimbinkimbi. Kuwusizo futhi ekusizeni ukusetha amasistimu wokufihla ubuso athuthukile kuzikrini zokubonisa.

iphaneli

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni izici zamaphaneli aphathekayo we-OLED ne-LCD.

Qhathanisa Izilinganiso

Lesi sigatshana siqukethe amaphethini awusizo wokulinganisa ukugqama kwesiboniso, okuhlanganisa isilinganiso sokungafani se-ANSI nezinye izilinganiso zokungafani eziyisisekelo.

I-PCA

Lesi sigatshana siqukethe amaphethini awusizo ekulinganiseni Indawo Yokuqhathanisa Imibono (PCA), eyaziwa nangokuthi Ukulungiswa Kokukhanya Kwasemuva.

I-ADL

Lesi sigatshana siqukethe amaphethini awusizo wokulinganisa ukugqama kuyilapho kugcinwa Isilinganiso Sokukhanya Esimaphakathi esingashintshi (ADL).

Motion

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukulungiswa kanye nezinye izici zokusebenza kuvidiyo ehambayo. Lawa maphethini wonke afakwe ikhodi ku-23.976 fps.

Ukunyakaza kwe-HFR

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ukulungiswa kanye nezinye izici zokusebenza kuvidiyo ehambayo. Lawa maphethini wonke abhalwe ngekhodi Ngezinga Lozimele Oluphezulu (HFR) ngo-59.94 fps.

Amathoni Esikhumba

Lesi sigaba siqukethe iziqeshana zesampula zamamodeli, awusizo ekuhloleni ukukhiqizwa kabusha kwamathoni esikhumba. Amathoni esikhumba abizwa ngokuthi "imibala yenkumbulo" futhi isistimu yokubuka yomuntu izwela kakhulu ezindabeni ezincane ezibonakalayo ekukhiqizeni isikhumba. Izinkinga ezifana ne-posterization kanye nokuhlanganisa ngokuvamile zibonakala kakhulu esikhumbeni, futhi zingase zibonakale kancane ezinhlobonhlobo zesikhumba.

Qaphela ukuthi lesi sigaba siqukethe kuphela izinguqulo ze-SDR zalezi ziqeshana. Izinguqulo ze-HDR10, HDR10+ kanye ne-Dolby Vision ziku-Disc 2 – Demonstration Material kanye namathoni esikhumba.

Gamma

Lesi sigatshana siqukethe amaphethini awusizo ekuhloleni ngokubonakalayo isilungiselelo se-gamma sesiboniso sakho. Akusona sonke isibonisi esihambisana nalawa maphethini.

Ngokucacile, izibonisi ezinesikalo sangaphakathi sesithombe noma ukucijiswa okudlulele, noma ezingakwazi ukuxazulula amabhodi okuhlola ephikseli eyodwa kuyilapho kugcinwa amaleveli anembile, ngeke kukhiqize imiphumela enembile. Nokho, imvamisa, uma isibonisi singahambisani imiphumela izobe isiphumile ebangeni, ngakho-ke uma la maphethini ebonisa ukuthi i-gamma yesibonisi sakho ingaphandle kobubanzi obungu-1.9-2.6, cishe isibonisi sakho asisebenzi nalawa maphethini.

Analysis
Uhlolojikelele

Lesi sigaba siqukethe amaphethini aklanyelwe ukusebenza ngemishini ethile yokulinganisa.

Lawa maphethini awusizo kuphela kuma-calibrators angochwepheshe nonjiniyela bevidiyo. Lawa maphethini awaqukethe ulwazi losizo.

I-Grayscale

Lesi sigatshana siqukethe amaphethini abonisa izinkambu ezimpunga ezilula kanye namawindi ngezinjongo zokulinganisa nokuhlola.

IGamut

Lesi sigatshana siqukethe amaphethini we-gamut awusizo kusofthiwe yokulinganisa okuzenzakalelayo.

I-ColorChecker

Lesi sigatshana siqukethe izinkambu ezibonisa imibala nezikali ezimpunga ezisetshenziswa ekhadini le-ColorChecker, elidizayinelwe ukuthi lisetshenziswe isofthiwe yokulinganisa ezenzakalelayo.

I-Saturation Shanela

Lesi sigatshana siqukethe ama-saturation sweep awusizo kusofthiwe yokulinganisa okuzenzakalelayo.

I-Luminance Shanela

Lesi sigatshana siqukethe ukushanela kokukhanya okuwusizo kusofthiwe yokulinganisa okuzenzakalelayo.

Isithasiselo: Amanothi Obuchwepheshe Amanye amanothi ngokunemba namazinga:

Amaphethini amaningi wakudala asetshenziswa kuyo yonke imboni akhiqizwa ngamabhithi angu-8 wokunemba, ngisho nanamuhla lapho ividiyo ye-10-bit isetshenziswa kabanzi ku-HDR kukho kokubili idiski nokusakaza. Lokhu kungase kungabonakali kuyinkinga enkulu, kodwa ngokuqinisekile kwethula amaphutha, amanye angase abonakale, futhi wonke athinta imishini yokulinganisa. Size sabona amadiski ephetheni yokuhlola yesimanje esebenzisa izithombe eziyinhloko ezingu-8-bit eziguqulelwe ku-10-bit ngokuphindaphinda wonke amanani ephikseli.

Ngeke kubonakale sengathi izingcezu ezi-2 ezengeziwe zokunemba zingabaluleka kangako, kodwa lezo zingcezu ezimbili ezengeziwe ziphindaphinda kane inani lamazinga ahlukene angaboniswa kushaneli ngayinye ebomvu, eluhlaza neluhlaza okwesibhakabhaka, futhi lokhu kunganciphisa ngempela amaphutha. .

Njengesibonelo, ake sithi sifuna ukwakha iwindi elimpunga elingu-50% (lokhu ukuvuselela okungu-50%, okuhlukile kokuthi 50% omugqa - ngaphezulu kwalokho kamuva). Inani lekhodi lika-0% ku-8-bit ngu-16, futhi inani lekhodi lika-100% ngu-235, ngakho-ke u-50% uzoba (16 + 235) / 2, okungu-125.5. Ngokuvamile lokhu kufinyezwa ku-126, kodwa ngokusobala lokho kuphakeme kakhulu. 125 kungaba kancane kakhulu. 126 empeleni iphuma ibe ngu-50.23%, okuyiphutha elibalulekile uma uzama ukuthola izilinganiso ezinembe kakhulu zokulinganisa kwekhwalithi ephezulu. Ngokuphambene, usebenzisa amanani ekhodi ye-10-bit, ungakwazi ngempela ukumela u-50% njengenani lekhodi, njengoba ku-10-bit ububanzi bungu-64 940, kanye (64 + 940) / 2 = 502.

Nakuba u-50% uphuma kahle kumabhithi angu-10, u-51% akaphumi, kanjalo no-52% noma u-53% nanoma yiliphi elinye izinga ngaphandle kuka-0% no-100%. Ukusebenzisa amabhithi ayi-10 agcwele kwehlisa iphutha kakhulu, kodwa uma inhloso yakho kuwukusondela ekupheleleni ngangokunokwenzeka, ufuna ngempela ukuphusha iphutha libe phansi ngangokunokwenzeka, futhi yilapho i-dither ingena khona.

Uma imitha ekhanyayo noma i-colorimeter ikala iwindi noma isiqeshana esikrinini, ayili inani lephikseli eyodwa, ikala ngempumelelo isilinganiso samakhulu amaphikseli wonke angena ngaphakathi kwesiyingi saso sokulinganisa. Ngokushintsha izinga lamaphikseli kulowo mbuthano wokulinganisa, singakwazi ukukhiqiza amanani aqondile ngamaphutha angenandaba. Isibonelo, uma sidinga ileveli ewela phakathi ncamashi phakathi kwenani lekhodi engu-10 kanye nenani lekhodi engu-11, singenza iwindi lethu libe ukuhlakazeka okungahleliwe lapho ingxenye yamaphikseli ikukhodi 10 kanye nohhafu kukhodi 11, ezokala njengoba ncamashi. phakathi kokukhanya okulindelekile kukhodi 10 kanye nekhodi 11. Okufanayo kuyasebenza ekunembeni kombala; ngokuhlukanisa phakathi kwemibala ehlukene eseduze singafinyelela eduze ngangokunokwenzeka kumdlalo oqondile wombala esifuna ukuwubonisa.

I-Linear vs. I-Stimulus (% inani lekhodi) Amazinga
Lesi yisikhathi esihle njenganoma yisiphi sokuhlukanisa phakathi kwezinhlobo ezahlukene zamazinga. Kungenzeka ukuthi ubonile kumaphethini ethu noma usize umbhalo ukuthi iphethini iku-“50% value value” noma “50% linear” futhi ngaphandle uma unesizinda kuvidiyo noma ithiyori yombala kungase kube nzima ukuqonda umehluko. Nansi inkomba esheshayo (kakhulu):

Cishe kuzo zonke izinhlobo zokuboniswa kwedijithali nokuthwebula izithombe ezisetshenziswa namuhla, kukhona okuthile okubizwa ngokuthi “umsebenzi wokudlulisa” obonisa amanani okokufaka athunyelwa esibukweni (amanani “wegama lekhodi”) kumaleveli okukhanya angempela akhiqizwa ngokoqobo yisibonisi ( amanani “awumugqa”). Kuvidiyo ye-Standard Dynamic Range (SDR), umsebenzi wokudlulisa igama nje uyijika lamandla elilula, lapho u-L = SG, lapho u-L engu-Liminance ewumugqa, u-S uyivelu yesisusa esingaqondile, kanti u-G uyi-gamma. Kuvidiyo ye-HDR, umsebenzi wokudlulisa uyinkimbinkimbi kakhulu, kodwa usafana nalelo jika lamandla elilula.

Umsebenzi wokudlulisa usetshenziswa ekufanekiseni ngoba ubonisa imephu cishe embonweni womuntu wesistimu yokubuka yezinguquko zeleveli yokukhanya. Amehlo akho azwela kakhulu ekushintsheni kwezinga lokukhanya ekugcineni okuphansi kwesikali sokukhanya kunasekugcineni okuphezulu. Ngakho-ke ngokusebenzisa leli jika ukuze limelele amaleveli okukhanya, izithombe ezifakwe ikhodi noma ividiyo ingabeka amanani ekhodi engeziwe eduze kokumnyama, lapho edingeka khona, futhi ambalwa eduze kokumhlophe, lapho engadingeki khona kakhulu. Ukukunikeza umbono wokuthi lokho kusebenza kanjani ekusebenzeni, ekubhalweni kwekhodi kwe-HDR ye-10-bit, ukusuka enani lekhodi 64 kuya ku-65 kumelela ushintsho ezingeni lokukhanya lomugqa lika-0.00000053%, kuyilapho ukusuka enani lekhodi 939 kuya ku-940 kumelela ushintsho lwe-1.085 %.

Uma lokho kwenza ikhanda lakho libe buhlungu, ungakhathazeki, kuba nzima ukugoqa ikhanda lakho. Isiphetho siwukuthi, yithi, isikhuthazo esingu-25% asikhanyisi uhhafu njengo-50% wokuvuselela, okungenani hhayi kumayunithi angokwenyama akalwa imitha yokukhanya. Ungathola, kuye ngomsebenzi oqondile wokudlulisa osetshenziswayo, ukuthi u-25% wokuvuselela ubukeka cishe uhhafu njengokugqama okungama-50%, ngenxa yokuhlukahluka okukhulunywe ngakho ngaphambili kokubona ohlelweni lomuntu lokubuka, kodwa iso lomuntu alikukali ukukhanya. njengemitha yokukhanya.

Enye into ebalulekile okufanele uyazi ukuthi nge-HDR yesimanje, kuvame kakhulu ukunikeza amanani alayini kumayunithi okukhanya okuphelele, anikezwe “njengamakhandlela imitha ngalinye eliyisikwele” noma “cd/m2”. (Isiteketiso esivamile sale yunithi sithi “nits,” ngakho-ke uma kufanele ubone “1000 nits” lokho kusho ukuthi “1000 cd/ m2”.)

Uma ubuka ilebula yezinombolo kumaphethini ethu, uma ubona igama elithi “linear” noma ubona ukuthi amayunithi angu-cd/m2, ungaqiniseka ukuthi izinombolo ziwumugqa futhi zimelela amanani abonakalayo ongakwazi ukuwakala.

Uma ubona amanani ekhodi, noma ubona amalebula afana nokuthi “% inani lekhodi” noma “% isivuseleli” noma amanani amaphesenti angenawo okokufanelekelayo, lezo cishe njalo ziyizinombolo zokuvuselela, ezingenzi imephu ngokulandelana ukuya kumaleveli okukhanya alinganisiwe.

Umehluko oyinhloko phakathi kwalokhu ukuthi uma uphinda kabili noma uhhafu iphesenti lesikhuthazo esinikeziwe noma inani lekhodi, ukukhanya okulinganiselwe akuphindaphindi kabili noma kuhhafu, kodwa kuzoshintsha ngokuya ngomsebenzi wamanje wokudlulisa. Futhi ngemisebenzi yesimanje yokudlulisa i-HDR, ukuphindwa kabili kwesivuseleli kungamela okungaphezu kokuphindwe kabili kokukhanya komugqa, ngakho-ke imibono yakho mayelana nokuthi isivuseleli esisodwa kufanele sikhanye kangakanani uma sihlobene nesinye singase sibe yiphutha. Ungakhathazeki; lokho kujwayelekile ngisho nakubantu abasebenza ngevidiyo ngaso sonke isikhathi.

Ngezansi kunethebula elibonisa ubuhlobo phakathi kwamanani okukhanya komugqa (ku-cd/m2), iphesenti lomugqa elivamile, iphesenti lesikhuthazo, kanye nenani lekhodi eliseduze ekubhaleni ngekhodi kwebanga elilinganiselwe elingu-10-bit. Konke lokhu kuthatha umsebenzi wokudlulisa we-ST 2084, umsebenzi osetshenziswa ukubhala ngekhodi kwe-HDR yesimanje kakhulu.



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