I-HDR vs SDR: Uyini Umehluko?Ingabe i-HDR Worth Future Investment?
Wake wezwa nge-HDR?Namuhla i-HDR ibilokhu ivela yonke indawo empilweni yethu futhi singathola okuqukethwe kwe-HDR ngeselula, ikhamera, izinsiza zokusakaza ezifana ne-YouTube, Netflix, noma i-4K UHD Blu-ray DVD.Ngakho-ke, iyini i-HDR ngempela?Ihluke kanjani ku-SDR?Kungani kunendaba kuwe?Lesi sihloko sizophendula yonke imibuzo yakho.
Okuqukethwe:
Ingxenye 1: Iyini i-HDR ne-SDR?
Ingxenye 2: I-HDR vs. SDR Iqhathaniswa
Ingxenye 3: Amazinga Amabili E-HDR Ayinhloko: I-Dolby Vision, i-HDR10 ne-HDR10+
Ingxenye 4: Ingabe Ukusetha Kwakho Kuyakwazi Ukudlala I-HDR?
Ingxenye 5: Ingabe kufanelekile Ukuthuthukela ku-HDR?
Ingxenye 6: Kuthiwani Uma I-4K HDR Ibukeka Ibuthuntu Futhi Igezile Lapho Idlala?
Ingxenye 1: Iyini i-HDR ne-SDR?
I-SDR, noma i-Standard Dynamic Range, iyindinganiso yamanje yokuboniswa kwevidiyo nesinema.I-SDR ichaza izithombe noma ividiyo isebenzisa isignali yejika ye-gamma evamile.Ijika le-gamma elivamile lalisekelwe emikhawulweni ye-cathode ray tube (CRT) evumela ukukhanya okuphezulu kwe-100 cd/m2.
I-HDR, emele i-High Dynamic Range, iyindlela yokuthwebula, icubungule, futhi ikhiqize kabusha okuqukethwe ngendlela yokuthi imininingwanekokubili ithunzi nokugqama kwesigcawu kuyanda.Ngenkathi i-HDR yayisetshenziswa ekuthwebuleni izithombe kwendabuko esikhathini esidlule, isanda kwenza i-smartphone, ama-TV, amamonitha, nokuningi.
Ingxenye 2: I-HDR vs. SDR Kuqhathaniswa: Umehluko Phakathi Kwe-HDR ne-SDR
I-SDR ikhawulelwe ikhono layo lokumela kuphela ingxenye yobubanzi obuguquguqukayo i-HDR ekwaziyo ukububona.I-HDR igcina imininingwane ezigcawini lapho isilinganiso sokungafani semonitha singase sibe isithiyo.I-SDR, ngakolunye uhlangothi, ayinalo lobu buchule.Umehluko omkhulu usekubeni lombala we-gamut nokukhanya.Uyazi, i-SDR ivumela i-gamut yombala we-sRGB nokukhanya ukusuka ku-0 kuye ku-100nits.Nakuba i-HDR inombala obanzi ofinyelela ku-DCI – P3, umkhawulo ogqamile ongaphezulu wokukhanya nomkhawulo ophansi wokukhanya.Ngesikhathi esifanayo, ithuthukisa ikhwalithi yesithombe iyonke mayelana nokugqama, ukulungiswa kwe-grayscale nobunye ubukhulu, iletha ulwazi olujulile kumuntu onolwazi.
Ukukubeka kalula, uma uqhathanisa i-HDR ne-SDR, i-HDR ikuvumela ukuthi ubone imininingwane eminingi nemibala ezigcawini ezinobubanzi obuguqukayo obuphezulu.Lokho kusho ukuthi i-HDR ikhanya kune-SDR.I-HDR ikuvumela ukuthi ubone eminye imininingwane nemibala ezigcawini.I-HDR iphakeme kulezi zici:
◉ Ukukhanya:I-HDR ivumela ukukhanya okungaphezulu kuya ku-1000 nits futhi kube ngaphansi kuya ngaphansi kwe-1 nit.
◉ Umbala we-gamut:I-HDR ivamise ukusebenzisa i-P3, kanye ne-Rec.2020 color gamut.I-SDR isebenzisa i-Rec.709 ngokuvamile.
◉ Ukujula kombala:I-HDR ingaba ku-8-bit, 10-bit kanye no-12-bit umbala ukujula.Ngenkathi i-SDR ivamise ukuba ku-8-bit, futhi bambalwa kakhulu abasebenzisa i-10-bit.
Ingxenye 3: Amazinga Amabili E-HDR Ayinhloko: I-Dolby Vision, i-HDR10 ne-HDR10+
Empeleni, ayikho incazelo yokugcina yamazinga e-HDR.Kunamazinga amabili avelele asetshenziswa namuhla, iDolby Vision ne-HDR10.Ngaphezu kwalokho, kunefomethi entsha ye-HDR10+, okuhloswe ngayo ukwethula i-HDR eguquguqukayo ezingeni le-HDR10 kuyilapho ihlala ingenanzuzo.Sizongena emehlukweni phakathi kwefomethi ngayinye ye-HDR engezansi.
I-Dolby Vision
I-Dolby Vision iyindinganiso ye-HDR edinga ukuthi amamonitha aklanywe ngokukhethekile nge-chip ye-Dolby Vision hardware.Kunemali ekhokhwayo ye-Dolby Vision, cishe u-$3 ngesethi ngayinye ye-TV.Njenge-HDR10, i-Dolby Vision isebenzisa i-Rec.2020 wide color gamut, 1000 nits of brightness, kodwa yamukela ukujula kombala we-12-bit futhi isekela isakhiwo sesici sedatha esiguqukayo.
I-HDR10
I-HDR10 iyindinganiso evulekile, futhi akudingeki ukhokhe noma yiziphi izinzuzo ukuze uyisebenzise.Inombolo “10″ imele ukujula kombala okungu-10bit.Ngaphezu kwalokhu, i-HDR10 iphinde income ukusetshenziswa kwe-gamut ebanzi Rec.2020, 1000 nits of brightness, kanye nemodi yokucubungula idatha emile.
I-HDR10 iyindinganiso evame kakhulu ye-HDR okuthi cishe bonke abakhiqizi be-TV abakhulu nabahlinzeki bokusakaza, abafana no-Sony, Disney, 20th Century Fox, Warner Bros., Paramount, Universal, kanye ne-Netflix basebenzise i-HDR10 ukuze bakhe amadiski e-4K UHD Blu ray.Ngaphandle kwalokho, amadivayisi afana ne-Xbox One, i-PS4, i-Apple TV nayo isekela i-HDR10.
I-HDR10 vs Dolby Vision – Uyini Umehluko?
I-HDR10 ne-Dolby Vision zingamafomethi amabili amakhulu e-HDR.Umehluko ukuthi i-HDR10 iyindinganiso evulekile futhi engeyona eyobunikazi, kuyilapho i-Dolby Vision idinga ilayisense nenkokhelo evela kwaDolby.
Futhi nakuba i-Dolby Vision okwamanje ikwazi ukukhiqiza ikhwalithi yesithombe engcono, awekho ama-TV angasebenzisa ngokugcwele lokho ekunikezayo ngokuphambene ne-HDR10.
Nokho, iDolby Vision inikeza ikhwalithi yesithombe engcono, ikakhulukazi ngenxa yemethadatha yayo eguquguqukayo.
I-HDR10+
Njengoba kushiwo ngenhla, kunenye ifomethi ye-HDR10+.I-HDR10+ iyindinganiso ye-HDR ebekwe i-Samsung ye-Dolby Vision, elingana nombono wokuziphendukela kwemvelo we-HDR10.Ngokufanayo ne-Dolby Vision, i-HDR10+ isekela ukwakheka kwesici sedatha esiguqukayo, kodwa i-HDR10+ iyindinganiso evulekile, ehloselwe ukuthola umuzwa ongcono womsindo nokubukwayo ngentengo ephansi.
Okwamanje, i-HDR10 iyifomethi eyonga kakhulu futhi esabalele, kuyilapho i-Dolby Vision iyinketho yeprimiyamu.Ngesikhathi salokhu kubhalwa, okuqukethwe kwe-DR10+ kutholakala kuphela ezinsizeni ezimbalwa zokusakaza (kuhlanganise ne-Amazon) namadiski, kodwa ama-TV amaningi aqala ukusekela i-HDR10+.
Ingxenye 4: Ingabe Ukusetha Kwakho Kuyakwazi Ukudlala I-HDR?
Uma ngabe okuqukethwe kwakho kwe-HDR kucushiwe, kungaba ividiyo ye-HDR noma negeyimu ye-HDR, kuzodingeka uqiniseke ukuthi ukusetha kwakho kuyakwazi ukubonisa lokho okuqukethwe kwe-HDR.
Isinyathelo sokuqala siwukuqinisekisa ukuthi ikhadi lakho lezithombe lisekela i-HDR.
I-HDR ingaboniswa nge-HDMI 2.0 ne-DisplayPort 1.3.Uma i-GPU yakho inesinye salezi zimbobo kufanele ikwazi ukubonisa okuqukethwe kwe-HDR.Njengomthetho wesithupha, wonke ama-Nvidia 9xx ochungechunge lwe-GPU kanye namasha anembobo ye-HDMI 2.0, njengoba kwenza wonke amakhadi e-AMD kusukela ngo-2016 kuye phambili.
Ngokufika lapho isibonisi sakho siya khona, kuzodingeka uqiniseke ukuthi naso siyakwazi ukusekela okuqukethwe kwe-HDR.Izibonisi ezihambisana ne-HDR kufanele zibe nobuncane bokulungiswa kwe-Full HD 1080p.Imikhiqizo efana ne-Asus ROG Swift PG27UQ, i-Acer Predator X27, i-Alienware AW5520QF iyizibonelo zamamonitha angu-4K anokwesekwa kokuqukethwe kwe-HDR10.Lawa mamonitha aphinde alinganise ukunemba kombala kuzibalo ngomzamo wokuqinisekisa ukuthi izithombe ezisesikrinini zibukeka ziyiqiniso empilweni ngangokunokwenzeka.
Ungakuthola kanjani Okuqukethwe kwe-HDR
Mayelana nokusakaza, i-Netflix ne-Amazon Prime isekela i-HDR ku-Windows 10. Ngokuqondene nokunye okuqukethwe kwe-HDR, i-Sony, i-Disney, i-20th Century Fox, i-Warner Bros., i-Paramount, i-Universal, ne-Netflix bonke basebenzisa i-HDR10 ukuze bakhe okuqukethwe kwe-4K UHD Blu ray amadiski.Noma ungaqopha okwakho okuqukethwe kwe-4K HDR ngeselula, i-GoPro, i-DJI, i-camcorder nokuningi.
Ingxenye 5: Ingabe kufanelekile Ukuthuthukela ku-HDR?
Uma ucabanga ukugxumela ku-HDR, ungase uzibuze: Ingabe i-HDR iwutshalomali oluhle?Ingabe ubuchwepheshe beHigh Dynamic Range buzoqala ngempela?
Yize kunjalo, akukho okungaqiniseka ngo-100%, ubuchwepheshe be-HDR bunenhlanhla kubo.Njengamanje, ubuchwepheshe bayo bemvelo buxhumene kakhulu nalolo lokulungiswa kwencazelo ephezulu kakhulu, okwaziwa nge-4K.
Njengoba i-4K yamukelwa yimakethe jikelele kalula nangesivinini esimangalisayo, kunengqondo ukuthi i-HDR izolandela inkambo efanayo ukuya phambili.Singakwazi ukuqhathanisa i-HDR ne-SDR usuku lonke kodwa ukuthi i-HDR ikulungele yini noma cha kuyofika kokuhlangenwe nakho kwakho siqu.Okwamanje, zizwe ukhululekile ukuhlola uhla lwe-ViewSonic lweziqapha ezihambisana ne-HDR ze-ColourPro futhi noma ungene ujule emhlabeni wokulungisa imibala nokugreda kombala.
Ngenhlanhla kubo bonke abaqalayo abakhona, imikhiqizo ye-HDR ayinzima ukuyithola.Izinzuzo ze-HDR zize zidlulele kwezemidlalo ngokukuvumela ukuthi ubone imininingwane eyengeziwe kumageyimu akho ukuze uthole umuzwa ongokoqobo.
Kuthiwani Uma I-4K HDR Ibukeka Ilufifi Futhi Igezile Lapho Idlala?
Uma kuqhathaniswa ne-SDR (ububanzi obuguquguqukayo obujwayelekile), i-HDR ingenza ividiyo yakho icace kakhudlwana futhi ibe njengempilo ngenxa yohlu olubanzi lwemibala nokujula.Nokho, akukho lutho oluphelele.Yize amanani okuthengiswa kwedivayisi yevidiyo ye-4K HDR echuma, ama-SDR TV, amamonitha, amaphrojekhtha, ideskithophu namafoni asaqhubeka esetshenziswa.
Ngakho-ke nawu umbuzo ozayo: uma ubuka ividiyo ye-4K HEVC HDR 10-bit kusibonisi esingasekelwe se-HDR, ividiyo ye-HDR izolahlekelwa ububanzi bayo bombala boqobo futhi yehlise ukugqama kombala nokugcwala kwesikhala.Sonke isithombe sevidiyo sizoba mpunga.Yilokho esivame ukukubiza ngokuthi umbala ohlanjululwe.
Emzamweni wokudlala ividiyo ye-HDR 10-bit kumadivayisi e-SDR, kufanele uguqule i-HDR ibe yi-SDR kuqala ukuze uqede inkinga yombala osuwashiwe.FuthiI-EaseFab Video Converteringenye yezindlela eziphezulu zokuthiguqula noma imaphi amavidiyo e-4K HDR abe yi-SDRku-4K/1080p, HEVC ukuya ku-H.264 ngaphandle kokulahleka kwekhwalithi ekukhanyeni, umbala, umehluko nokunye okwengeziwe.Funda kabanzi mayelana nezici zayo ezibalulekile:
◉ Yamukela zonke izinhlobo zamavidiyo e-4K HDR, kungakhathaliseki ukuthi avelaphi nokuthi asebenzisa yiphi ifomethi yombhalo wekhodi.
◉ Guqula amavidiyo angu-4K HDR abe yi-MP4, H.264, HEVC, MOV, AVI, FLV, iPhone, iPad, HDTV, Xbox, PS4 kanye namaphrofayela angu-420+ asethwe ngaphambilini.
◉ Cindezela ukulungiswa kwe-4K kuya ku-1080p /720p noma i-HD ephezulu iye ku-4K ngokushelela ngaphandle kokulahlekelwa kwekhwalithi ebonakalayo.
◉ Isivinini sokuguqula ividiyo eshesha kakhulu nekhwalithi engu-100% egcinwe ngokusekelwa ukusheshisa kwehadiwe nenjini yekhwalithi ephezulu.
Isikhathi sokuthumela: Aug-26-2021