Woɖe HDR Video ƒe Nɔnɔmewo Me
Mɔfiame blibo aɖe si akpe ɖe ŋuwò nàse hdr video ƒe nɔnɔmewo gɔme ɖe eme.
Nukae Nye HDR Video Kple Nusita Wòle Vevie
Video si nye High Dynamic Range (HDR) tsi tre ɖi na tɔtrɔ gã aɖe si yi ŋgɔ le nukpɔkpɔ ƒe mɔ̃ɖaŋununya me, si naa nukpɔkpɔ ƒe nyonyome si nyo ɖe edzi ŋutɔ ne wotsɔe sɔ kple dynamic range (SDR) ƒe nyatakaka siwo wozãna ɖaa. HDR léa keklẽ ƒe agbɔsɔsɔ si keke ta wu sã, tso ameyibɔ siwo goglo wu dzi va ɖo yevu siwo klẽna wu dzi heɖenɛ fiana, si wɔnɛ be nɔnɔmetata siwo ɖi nusi amegbetɔ ƒe ŋku kpɔna le dzɔdzɔme nu wu. Kekeli ƒe didime sia si keke ta, si zi geɖe la, exɔa nit 0.1 va ɖo 1,000 alo esi wu nenema la, naa kekeli ƒe ŋusẽkpɔɖeamedzi siwo sɔ ŋutɔŋutɔ wu eye wowɔa nu tsitotsito wu le vɔvɔliwo kple nu veviwo siaa me. HDR ƒe ŋusẽkpɔɖeamedzi keke ta wu kekeli ƒe agbɔsɔsɔme ko. HDR video hã doa alɔ amadede vovovowo, si fia be ate ŋu aɖe amadede geɖe afia wu video ƒe nɔnɔme xoxowo. Togbɔ be zi geɖe la, video si wozãna ɖaa xɔa amadede siwo wokpɔna ƒe 35% lɔƒo hã la, HDR-mɔ̃wo ate ŋu agbugbɔ amadede siwo amegbetɔ ƒe ŋku ate ŋu akpɔ la ƒe 75%. Amadede ƒe teƒe sia si keke ta, si wotsɔ kpe ɖe bit ƒe goglome si dzi ɖe edzi (zi geɖe la, 10-bit ɖe 8-bit teƒe), ɖea amadede ƒe bablawo ɖa eye wònaa ʋuʋudediwo nɔa bɔbɔe wu. Nusi dona tso emee nye video me nyatakaka siwo dzena abe ɖe wole dzo dam wu, wonye nu ŋutɔŋutɔwo, eye woƒoa wo ɖokui ɖe eme ene, si wɔe be HDR xɔ asi ŋutɔ na sinima me nyawo, fefewɔwɔ, kple videowɔwɔ si me dɔnyala bibiwo le.
HDR10: Gɔmeɖoanyi ƒe Dzidzenu
HDR10 tsi tre abe HDR ƒe ɖoɖo si woxɔna wu ene, si nye gɔmedzedze ƒe dzidzenu na HDR video le dɔwɔƒea katã. Woto HDR10 vɛ abe dzidzenu si le ʋuʋu ɖi ene, eye wòzãa metadata si meʋãna o tsɔ ɖea amadede ƒe teƒe kple keklẽ ƒe nɔnɔmewo me na video blibo aɖe. Edoa alɔ Rec. Ƒe 2020 ƒe amadede ƒe teƒe, amadede ƒe goglome 10-bit, kple keklẽ ƒe kɔkɔƒe si ade nits 10,000, togbɔ be zi geɖe la, nuƒlelawo ƒe ɖeɖefia akpa gãtɔ ɖoa nits 1,000-4,000 ƒe kɔkɔƒe hã. Nɔnɔmea zãa Perceptual Quantizer (PQ) transfer function, si woyɔna hã be SMPTE ST 2084, si wɔa HDR ƒe keklẽ bliboa ƒe nɔnɔmetata nyuie wu gamma curve xoxowo. HDR10 ƒe xexeame katã ƒe ɖekawɔwɔ na wònye de facto dzidzenu na HDR me nyawo mama. Mɔ̃ gãwo abe Netflix, Amazon Prime Video, kple Disney+ zãa HDR10 na woƒe HDR nyatakakawo, eye nukpɔkpɔ siwo katã kloe ate ŋu awɔ HDR la doa alɔ nɔnɔme sia. Gake HDR10 ƒe ŋuɖoɖo ɖe metadata si meʋãna o ŋu fia be woɖoa HDR ƒe nɔnɔmetatawo zi ɖeka na video bliboa, si ate ŋu axe mɔ ɖe nukpɔkpɔ siwo ƒe keklẽ to vovo ƒe nudidiwo ƒe nyonyome nu. Togbɔ be seɖoƒe sia li hã la, HDR10 naa ŋgɔyiyi gã aɖe wu SDR me nyawo eye wònyea mɔnu nyui aɖe si dzi woato age ɖe HDR kpɔkpɔ ƒe nuteƒekpɔkpɔwo me.
HDR10+ kple Dolby Vision: Deŋgɔ Dynamic HDR
HDR10+ kple Dolby Vision tsi tre ɖi na tɔtrɔ si kplɔe ɖo le HDR mɔ̃ɖaŋununya me, wo ame evea siaa zãa metadata si trɔna tsɔ wɔa HDR ƒe nɔnɔmewo nyuie wu le nukpɔkpɔ ɖesiaɖe alo nɔnɔmetata ɖesiaɖe gɔ̃ hã nu. HDR10+, si Samsung wɔ le hadome kple Amazon kple dɔwɔƒea ƒe ŋgɔnɔla bubuwo, tua HDR10 gɔmeɖoanyia dzi esime wòle gbeɖiɖi ƒe nɔnɔmetata ƒe ŋutete siwo trɔna kpem ɖe eŋu. Esia wɔnɛ be nyatakakawo wɔlawo te ŋu trɔa asi le HDR nuteƒekpɔkpɔa ŋu nyuie le video bliboa me, si wɔnɛ be keklẽ kple amadede gbugbɔgawɔ nyuie wu na nukpɔkpɔ ɖesiaɖe. HDR10+ léa megbedede ƒe ɖekawɔwɔ me ɖe asi kple HDR10 ƒe ɖeɖefiawo esime wòle nuteƒekpɔkpɔ siwo nyo wu nam le mɔ̃ siwo sɔ dzi. Dolby Vision, si Dolby Laboratories wɔ la naa HDR ƒe dɔwɔwɔ deŋgɔtɔ kekeake si li fifia. Dolby Vision si doa alɔ amadede ƒe goglome si ade 12-bit kple nukpɔsusu ƒe keklẽ ƒe kɔkɔƒe si nye nits 10,000, eye wònaa amadede ƒe nyateƒetoto kple ŋusẽ ƒe didime si de ŋgɔ wu. Dɔwɔɖoɖoa lɔ metadata blibo si fiaa mɔ nyatakakawo ƒe aɖaŋudzedze kple ɖeɖefia ƒe gɔmeɖeɖe siaa ɖe eme, si kpɔa egbɔ be wokpɔ nuwɔla ƒe aɖaŋudɔwɔwɔ ƒe tameɖoɖo ta le nukpɔkpɔ ƒe nɔnɔme vovovowo me. Dolby Vision me nyawo nye aɖaŋudɔwɔla bibi le dɔwɔƒe tɔxɛwo, si wɔnɛ be nukpɔkpɔ ƒe nyonyome deŋgɔ si dzena vevietɔ le aƒeme fefewɔƒe deŋgɔwo kple sinimadɔwo me.
HLG: HDR Egbɔkpɔnu si Le Dzadzraɖo Ðe Nyadzɔdzɔgblɔmɔnuwo Ŋu
Hybrid Log-Gamma (HLG) tsi tre ɖi na HDR ƒe mɔnu tɔxɛ aɖe si wowɔ koŋ na television dzi nyadzɔdzɔwo kple nyadzɔdzɔwo kaka ƒe dɔwɔɖoɖowo. BBC kple NHK (Japan dukɔa ƒe nyadzɔdzɔdɔwɔƒe) ye wɔ HLG, eye wòkpɔa kuxi ŋutɔŋutɔ siwo le HDR nyatakakawo mama ɖe nyadzɔdzɔgblɔmɔnu xoxowo dzi la gbɔ. To vovo na HDR ƒe nɔnɔme bubu siwo hiã metadata tɔxɛwo la, HLG zãa hybrid transfer function si sɔ ɖe megbe kple SDR ɖeɖefiawo esime wòle HDR ƒe viɖewo nam le screen siwo sɔ dzi. Egbɔkpɔnu dzeani sia na be nyadzɔdzɔgblɔlawo te ŋu ɖoa dzesi ɖeka si wɔa dɔ le HDR kple SDR mɔ̃wo siaa dzi. HLG ƒe ɖoɖo si wotu ɖe nyadzɔdzɔwo kaka dzi na wòsɔ nyuie na kamedefefe siwo le agbe, nyadzɔdzɔwo, kple ɣeyiɣi ŋutɔŋutɔ me nyatakaka bubuwo le afisiwo aɖaŋudɔwɔwɔ ƒe ɖoɖo sesẽ siwo hiã na HDR10+ alo Dolby Vision mewɔa dɔ o. HLG doa alɔ Rec. 2020 amadede ƒe teƒe kple 10-bit encoding, si naa ŋgɔyiyi gãwo wu SDR esime wòléa bɔbɔe si hiã na nyadzɔdzɔwo kaka ƒe dɔwɔwɔwo me ɖe asi. Nyadzɔdzɔgblɔha gãwo le xexeame katã xɔ HLG hena HDR ƒe nyatakakawo kaka, eye mɔ̃ siwo wotsɔna ɖea nyatakakawo le agbe me la le asi kpem ɖe ɖoɖoa ŋu geɖe wu. Alesi nɔnɔmea te ŋu wɔa dɔ gbeɖiɖi ƒe nɔnɔmetata sesẽwo manɔmee na wòxɔ asi ŋutɔ na nyatakakawo wɔlawo siwo hiã HDR ƒe ɖoɖo si ŋu kakaɖedzi le le nukpɔkpɔ ƒe nɔnɔme vovovowo me.
Mɔ̃ɖaŋununya ƒe Nɔnɔmewo Kple Woƒe Ðekawɔwɔ
HDR ƒe nɔnɔme vovovowo ƒe mɔ̃ɖaŋununya ƒe nɔnɔmewo gɔmesese le vevie ŋutɔ na nyatakakawo wɔlawo, wo mamalawo, kple nuƒlela siwo le dɔwɔnuwo ŋuti nyametsotsowo wɔm. HDR10 zãa 10-bit amadede ƒe goglome kple Rec. 2020 amadede ƒe teƒe kple PQ (SMPTE ST 2084) ƒe asitɔtrɔ ƒe dɔwɔwɔ, si doa alɔ keklẽ ƒe kɔkɔƒe va ɖo 10,000 nits kple metadata si meʋãna o. HDR10+ léa nɔnɔme siawo ke me ɖe asi esime wòle metadata ƒe ŋutete siwo trɔna kpem ɖe eŋu to SMPTE ST 2094-40 ƒe dzidzenu dzi. Dolby Vision naa nɔnɔme kɔkɔtɔwo kekeake kple amadede ƒe goglome si ade 12-bit, togbɔ be nuƒlela ƒe dɔwɔwɔ akpa gãtɔ zãa 10-bit hã, eye wòdoa alɔ PQ kple HLG ƒe asitɔtrɔdɔwo siaa le nɔnɔmetata si wozã nu. Nusiwo ŋu woabu be woawɔ ɖeka kple wo nɔewo wɔa akpa vevi aɖe le ɖoɖowɔɖi tiatia kple edziwɔwɔ me. HDR10 kpɔa dzidzɔ ɖe xexeame katã ƒe kpekpeɖeŋu ŋu le mɔ̃ siwo te ŋu zãa HDR me, si wɔe be wònye tiatia si le dedie wu na dɔwɔwɔ le mɔ gbadza nu. HDR10+ ƒe kpekpeɖeŋu dzi ɖe edzi ŋutɔ, eye TV wɔƒe gãwo kple streaming dɔwɔƒewo xɔ nɔnɔmea, togbɔ be mele afisiafi abe HDR10 ene o hã. Dolby Vision hiã mɔɖegbalẽ kple xɔtunu tɔxɛwo ƒe kpekpeɖeŋu, si wɔnɛ be eƒe dɔwɔwɔ seɖoƒe li na mɔ̃ nyuitɔwo, gake enaa nyonyome nyuitɔ kekeake ne wowɔe nyuie. HLG ƒe kpekpeɖeŋu to vovo le nuto kple dɔwɔwɔ nu, eye woxɔe sesĩe wu le nyadzɔdzɔwo kaka ƒe asiwo me ne wotsɔe sɔ kple nyadzɔdzɔgblɔmɔnuwo ƒe dɔwɔwɔ siwo woɖena ɖe go kple esiwo wozãna ŋutɔŋutɔ.
HDR ƒe Nɔnɔme Nyuitɔ Tiatia na Wò Hiahiãwo
HDR ƒe ɖoɖo si sɔ tiatia nɔ te ɖe nu geɖe dzi siwo dometɔ aɖewoe nye emenyawo ƒe ƒomevi, mamamɔnu, amesiwo ŋu wole nu ƒom tsoe, kple mɔ̃ɖaŋununya ƒe nudidiwo. Le nyatakakawo mama le xexeame katã kple woƒe ɖekawɔwɔ si sɔ gbɔ wu gome la, HDR10 gakpɔtɔ nye tiatia si wɔa dɔ wu le eƒe xexeame katã ƒe kpekpeɖeŋu kple kakaɖedzi si ŋu kpeɖodzi le ta. Ele be emenyawo wɔlawo nabu HDR10+ ŋu na eƒe metadata ƒe ŋutete siwo le tɔtrɔm esime wole ɖekawɔwɔ gbadzaa me lém ɖe asi, alo Dolby Vision na dɔwɔwɔ siwo le nyonyome nyuitɔ kekeake me afisi dɔwɔnu deŋgɔ siwo sɔ le nyaselawo si. Dɔwɔwɔ ƒe dɔwɔwɔ ƒe ɖoɖowo kple mama mɔnuwo kpɔa ŋusẽ ɖe nɔnɔme tiatia dzi vevie. Zi geɖe la, Streaming dɔwɔƒewo doa alɔ HDR ƒe nɔnɔme vovovowo, si wɔnɛ be woate ŋu atsɔ nyatakakawo ayi le nɔnɔme nyuitɔ kekeake si li na mɔ̃ ɖesiaɖe me. Zi geɖe la, nyadzɔdzɔwo kaka ƒe dɔwɔɖoɖowo lɔ̃a HLG le eƒe viɖe siwo le eŋu be wòawɔ ɖeka kple dɔwɔwɔ ƒe nudidi siwo le bɔbɔe ta. Nyadzɔdzɔgblɔmɔ̃ ŋutɔŋutɔ wɔlawo ate ŋu atia HDR10 hena ɖekawɔwɔ si keke ta alo Dolby Vision na premium ƒe tata siwo woɖo ɖe nyasela siwo doa vevie nu. Ne èle dɔ wɔm kple HDR video faɛlwo la, tɔtrɔ ƒe dɔwɔnu siwo ŋu kakaɖedzi le ƒe amesinɔnɔ va zua nu vevi aɖe na nyatakakawo tɔtrɔ le nɔnɔme vovovowo dome eye woakpɔ egbɔ be wowɔ ɖeka le mɔ̃ kple mɔ̃ vovovowo dzi.
Nu Vevi Siwo Wotsɔna Yia Nu
HDR ƒe Nɔnɔmewo Subɔa Taɖodzinu Vovovowo
HDR ƒe ɖoɖo ɖesiaɖe kpɔa zazã ƒe nɔnɔme tɔxɛwo kple mɔ̃ɖaŋununya ƒe nudidiwo gbɔ
- HDR10 naa xexeame katã ƒe ɖekawɔwɔ na mama gbadzaa
- HDR10 + kple Dolby Vision naa ŋusẽ ƒe nyonyome na nuteƒekpɔkpɔ deŋgɔwo
- HLG bi ɖe nyadzɔdzɔwo kaka kple nyadzɔdzɔwo kaka me
Mɔ̃ɖaŋununya ƒe Nɔnɔmewo Ŋusẽkpɔɖeamedzi le Nyonyome Ŋu
Nɔnɔme ƒe nɔnɔmewo gɔmesese kpena ɖe ame ŋu be nyatakakawo ɖoɖo ɖe amewo kple wo kpɔkpɔ ƒe nuteƒekpɔkpɔ nyuitɔ kekeake
- Amadede ƒe goglome si ƒe bit 10 ɖea banding ɖa eye wònaa gradients nyona ɖe edzi
- Dynamic metadata na be woate ŋu awɔ nukpɔkpɔ ɖesiaɖe ƒe nyonyome
- Amadede ƒe teƒe kple keklẽ si de ŋgɔ wue ɖoa nukpɔkpɔ ƒe ŋusẽkpɔɖeamedzi bliboa
Nusiwo Sɔ Kple Wo Nɔewo Hea Vixɔxɔnyi
Format dzidzedzekpɔkpɔ nɔ te ɖe mɔ̃wo ƒe kpekpeɖeŋu kple dɔwɔƒewo ƒe wo zazã dzi vevie
- HDR10 naa mɔ̃a ƒe dɔwɔwɔ si keke ta wu
- Premium formats hiã hardware ƒe kpekpeɖeŋu tɔxɛ aɖe
- Nyadzɔdzɔwo kaka ƒe ɖoɖowo tsɔa dɔwɔwɔ ƒe bɔbɔenyenye ɖoa nɔƒe gbãtɔ wu nyonyome si sɔ gbɔ wu
Nya Siwo Wobia Enuenu
Vovototo kae le static kple dynamic metadata dome le HDR me?
Static metadata (si wozãna le HDR10 me) wɔa HDR ƒe nɔnɔme mawo ke ŋudɔ ɖe video blibo aɖe ŋu, gake dynamic metadata (si wozãna le HDR10+ kple Dolby Vision me) ɖea mɔ be woawɔ nu wòanyo wu le nukpɔkpɔ ɖesiaɖe alo nɔnɔmetata ɖesiaɖe nu, si naa tɔtrɔ nyuie wu ɖe emenyawo ƒe keklẽ kple amadede vovovowo ƒe hiahiãwo nu.
Ðe mate ŋu akpɔ HDR10+ me nyawo le HDR10-ko ƒe nukpɔkpɔ dzia?
Ẽ, HDR10+ nye megbedede si sɔ kple HDR10 ƒe ɖeɖefiawo. Woaŋe aɖaba aƒu metadata si trɔna dzi, eye emenyawo aƒo to gɔmeɖoanyi HDR10 ƒe nɔnɔmetatawo zazã me, kokoko ana HDR nuteƒekpɔkpɔ togbɔ be ŋusẽ ƒe nyonyome si wodo ɖe ŋgɔ manɔmee hã.
Nukatae streaming dɔwɔƒe aɖewo naa HDR ƒe nɔnɔme vovovowo?
Streaming dɔwɔƒewo naa HDR ƒe nɔnɔme vovovowo be woakpɔ egbɔ be nukpɔkpɔ ƒe nuteƒekpɔkpɔ nyuitɔ kekeake le mɔ̃ vovovowo dzi. Esia na be woate ŋu atsɔ Dolby Vision ayi na mɔ̃ deŋgɔwo esime wole gegem ɖe megbe yi HDR10+ alo HDR10 dzi hena ɖekawɔwɔ si keke ta wu, si wɔnɛ be woƒe nyaselawo ƒe asiɖoɖoa dzi wu.
Ðe Dolby Vision nyo wu HDR10+ ɣesiaɣia?
Zi geɖe la, Dolby Vision naa mɔ̃ɖaŋununya ƒe nɔnɔme deŋgɔwo kple dɔwɔwɔ si de ŋgɔ wu, gake vovototo ŋutɔŋutɔ si le nukpɔkpɔ me nɔ te ɖe nukpɔkpɔ ƒe ŋutetewo, emenyawo ƒe nyonyome, kple nukpɔkpɔ ƒe nɔnɔme dzi. Nɔnɔme eveawo siaa naa HDR nuteƒekpɔkpɔ nyuiwo ne wowɔ wo ŋudɔ nyuie.
Ðe mehiã kɔmpiutadziɖoɖo tɔxɛ aɖewo be mawɔ dɔ kple HDR video faɛlwoa?
Dɔwɔwɔ kple HDR video bia kɔmpiutadziɖoɖo si doa alɔ HDR ƒe nɔnɔmewo kple amadedewo dzi kpɔkpɔ nyuie. Video ɖɔɖɔɖo ƒe kɔmpiutadziɖoɖo bibiwo, nyadzɔdzɔgblɔmɔ̃ siwo ŋu HDR ƒe kpekpeɖeŋu le, kple tɔtrɔ ƒe dɔwɔnu tɔxɛwo hiã be woalé HDR ƒe nyonyome me ɖe asi le ewɔwɔ kple emama ƒe dɔwɔwɔ katã me.
Faɛl ƒe lolome ƒe dzidziɖedzi nenie wòle be makpɔ mɔ na kple HDR video?
Zi geɖe la, HDR video dzia faɛl ƒe lolome ɖe edzi 25-40% ne wotsɔe sɔ kple SDR me nyawo si sɔ le 10-bit encoding, amadede ƒe vovototo siwo keke ta, kple metadata ƒe gazazã ta. Dzidziɖedzia tututu nɔ te ɖe HDR ƒe ɖoɖo tɔxɛa, nutete ƒe ɖoɖowo, kple emenyawo ƒe nɔnɔmewo dzi.
Ðe woate ŋu atrɔ HDR me nyawo le nɔnɔme vovovowo domea?
Ẽ, woate ŋu atrɔ HDR me nyawo le nɔnɔmewo dome, togbɔ be ɖoɖo sia bia be woakpɔ amadede ƒe teƒewo, gbeɖiɖi ƒe nɔnɔmetatawo, kple metadata ŋu nyuie be woalé nyonyome me ɖe asi hã. Trɔtrɔ aɖewo ateŋu ana be nyonyome nabu, vevietɔ ne wole tɔtrɔm tso nɔnɔme siwo ƒe nɔnɔme de ŋgɔ wu abe Dolby Vision ene yi HDR10 me.
Nukae dzɔna ne wole HDR me nyawo ƒom le nukpɔkpɔ siwo menye HDR o dzi?
Ne wole HDR me nyawo ƒom le SDR-nukpɔkpɔwo dzi la, gbeɖiɖi ƒe nɔnɔmetatawo dzɔna be woatsɔ aƒo ŋusẽ ƒe didime si keke ta la nu ƒu ɖe nukpɔkpɔa ƒe ŋutetewo me. Dɔ sia ƒe nyonyome toa vovo le fefewɔla ƒe kɔmpiutadziɖoɖoa nu eye ate ŋu ana nɔnɔmetata siwo adze vivi akpa alo woklɔ wo ne womewɔ gbeɖiɖi ƒe nɔnɔmetata nyuitɔ o.
Tsɔ Wò Sidzedzea De Dɔwɔwɔ Me
Fifia si nèse nukpɔsusuawo gɔme la, dze agbagba nàtrɔ asi le eŋu be nàtsɔ nusiwo nèsrɔ̃ la awɔ dɔe. Trɔtrɔ femaxee, si seɖoƒe meli na o, eye akɔntabubu aɖeke mehiã o.