Lokaci ya yi da za a canza TV, Kuma duk da cewa a matakin ƙira sun kasance tsayayye na tsawan shekaru masu yawa, gaskiyar ita ce fasaha ta inganta sosai a cikin shekaru biyar da suka gabata, yawancin kuskuren shine zuwan tsarin hayayyafa da kamfanoni masu fasaha miƙa mafi ingancin yawo abun ciki kamar Netflix
Don haka lokacin da muka kimanta siyan sabon talabijin muna samun rikicewar ƙuduri, kuma yanzu sabon ƙalubale ne, HDR. Akwai nau'o'in HDR daban-daban, kowannensu yana da ƙarfinsa amma duk suna da mahimmancin abu ɗaya, bari mu ga yadda suka bambanta.
Abu na farko: Menene HDR?
Babban Dynamic Range ko HDR A cikin taƙaitaccen tsarin daidaitaccen tsari ne wanda aka tsara shi ta hanyar algorithms da bambancin launuka tare da niyyar bayar da iyakar gaskiyar zuwa hoton da muke gani. A lokuta da yawa, fina-finan suna da duhu fiye da kima, ko launuka suna da yawa, wannan saboda saboda kwamitin ba ya daidaita bayanin da ya isa ga pixels sosai kuma yana ƙoƙari kada su yi bambancin launin kwatsam a hoto ɗaya. Tare da HDR abin da muka cimma shine zurfin zurfi a cikin sautunan baƙar fata da fari, ƙara bambancin kuma hakika kuma yana haɓaka adadin launuka waɗanda ake nunawa a lokaci guda.
Inganta bambanci Yana ba mu damar lura dalla-dalla wasu fannoni na fim ɗin waɗanda a cikin daidaitaccen tsarin ba a lura da su, kamar yadda muka faɗi a baya, lokacin da akwai duhu mai yawa ko kuma akasin haka. Theara launuka abin da aka cimma shi ne samar da launuka marasa iyaka, kusan sau ɗari a cikin tsari ɗaya fiye da allon ba tare da HDR ba, wanda ke sa hotunan su ƙara bayyana sosai kuma launuka sun fi fice, ta haka ne ke nuna launukan rayuwa na zahiri.
Me yasa akwai nau'ikan HDR daban-daban?
Muna fuskantar tambayar kasuwanci, alamu suna so su bambance kansu da sauran ta hanyar sanya varian bambancin zuwa HDR wanda bangarorinsu ke bayarwa, kuma ta haka ne muke kiran sa ta wata hanya mafi ban mamaki wacce ta nuna tafi kyau. Amma… Nawa nau'ikan HDR akwai su? Bari muyi la’akari da wadanda suka fi yawa da halaye daban-daban na su:
- HDR10 - Wannan shine sanannen tsarin HDR, wanda aka samo misali a cikin yawancin talabijin da masu saka idanu. Godiya ga HDR10 zamu iya jin daɗin haske (don bambanci) na nits 1000, da zurfin launi (don ƙara palette) har zuwa rago 10.
- Dolby Vision - Ana amfani da wannan tsarin na HDR a cikin wasu wayoyi masu hannu da shuni, wadanda ake samu akan Netflix da kuma a manyan talabijin na kamfanin LG na Koriya ta Kudu. Godiya ga Dolby Vision muna da iyakar nits 10.000 da zurfin launi na ragowa 12. Koyaya, wannan fasaha a halin yanzu tana gaban abin da kayan masarufi ke bayarwa, tunda duk da bayar da irin wannan ƙimar amincin, gaskiyar ita ce kusan babu ƙungiyar da ke ba mu damar jin daɗin ta ko da kuwa tana da wannan fasahar, don abin da bambance-bambance da HDR10 ba su da yawa.
- HDR1000 - Samsung yana amfani da wannan tsarin na HDR gabaɗaya, amma a zahiri yana amfani da fasahar HDR10 tare da ingantaccen haske da daidaita launi ta hanyar software.
- HLG ko Technicolor - Tsarin HDR ne wanda wasu cibiyoyin sadarwar talabijin ke amfani dashi, wanda yake da alama an ƙididdige kwanakinsa.
Lokacin da muka sami talabijin cewa yana da ɗaya ko fiye daga waɗannan nomenclatures, Hakan ba yana nufin cewa dukkanin tsarin sun bambanta ba, amma yana dacewa da tushen bidiyo wanda ke cin gajiyar waɗannan ƙwarewar, misali, wani iPhone X yana iya miƙa abun ciki na HDR10 da Dolby Vision ya danganta da mai ba da bidiyo.
Ta yaya zan iya kallon abun ciki tare da damar HDR?
Babban abu shine samun talabijin wanda ya haɗa da fasahar HDR, yawancin Samsung ko LG a matsakaiciyar talabijin tare da ƙuduri na 4K tuni suna da fasahar HDR don mu sami cikakken jin daɗin abubuwan da suke ciki, saboda haka, kusan Euro 600 zamu sami talabijin mai kyau tare da HDR. Sauran maɓallin maɓallin shine mai ba da abun ciki, akwai fina-finai da yawa waɗanda ake samu akan Blu Ray waɗanda ke da HDR, waɗanda za a ambaci lakabinsu akan kunshin, duk da haka, shahararren mai samar da abun ciki a cikin HDR ko Dolby Vision daidai ne Netflix, kusan dukkanin wasannin farko ko shahararrun jerin shirye-shirye kamar sa House of Cards an riga an miƙa tare da waɗannan damar. A nasa bangaren Firayim Ministan Amazon Hakanan yana bayar da abun ciki na HDR, misali shine jerin sa Babban Yawon shakatawa.
YouTube shine mafi kyawun halayyar kyauta da mai araha tare da damar HDR da 4KKoyaya, muna da tsarin kayan masarufi wanda kuma zai bamu damar jin daɗin yanayin kewayo mai ƙarfi, misali misalin na'urar Microsoft shine, duka Xbox One kamar sabon Xbox One X. A nata bangaren, Sony, wanda yawanci shine mai gaba-gaba a cikin irin wannan fasaha, ya haɗa da HDR10 duka a cikin PlayStation 4 kamar akan PlayStation 4 Pro, don haka a yau, akwai damar da yawa da zaku sami damar abun ciki na HDR, amma mahimmin abu shine ku sami talabijin wanda ke da isasshen ƙarfin aiki. Da kaina, gwaje-gwajen da aka gudanar tare da TV ɗin Samsung masu matsakaicin zango sune waɗanda suka ba mu kyakkyawar ƙwarewa game da fasahar HDR10 da ƙarfin ta.
Ina da shi a sarari, yanzu ... Menene HDR zan saya?
Anan dole ne ku kimanta abubuwa da yawa, musamman ƙimar ingancin talabijin ko saka idanu da kuka saya. A matakin TV yana da mahimmanci idan zaku sayi shi da ƙudurin 4K, kuna jin daɗin aƙalla tsarin Smart TV guda ɗaya (mafi kyawun su LG, Samsung da Sony) wanda ke ba ku damar samun damar YouTube, Netflix da sauran masu samarwa cikin sauƙi. , wannan shine yadda zaku more HDR. Idan kanku ya cika, kar ku manta da cewa kodayake Dolby Vision yana ba da kyakkyawan sakamako, ya isa fiye da yadda kuka sayi panel tare da HDR10 kamar tsakiyar zangon Samsung ko LG.