Key Takeaways
- Tsis ntev los no Macs, iPhones thiab iPads tuaj yeem "overdrive" dawb pixels kom nthuav dav cov duab dynamic ntau yam.
- HDR cov yeeb yaj kiab qhia pom zoo li ci dua li cov keeb kwm dawb-dawb nyob ib puag ncig lawv.
- Koj yuav xav tau lub cuab yeej Apple nrog lub teeb tsa ua kom pom cov nyhuv.
Qhov no yog qus: Thaum koj saib HDR yees duab ntawm txoj cai Mac, lossis iPhones tsis ntev los no, cov dawb yog ci dua li qhov ci tshaj plaws ntawm lub vijtsam. Apple hu nws EDR, thiab nws tuaj yeem dhau los ua tus qauv rau cov lus qhia yav tom ntej.
HDR, lossis High Dynamic Range, yog thaum lub TV lossis lub khoos phis tawj qhia pom qhov loj dua ntawm qhov tsaus ntuj mus rau lub teeb, nrog cov xim dub thiab cov xim dawb, thiab nthuav dav ntau yam xim. Yog tias koj saib cov yeeb yaj kiab HDR-enabled, ces koj yuav pom qhov txuas ntxiv no.
Qhov ntawd yog qhov txias thiab tag nrho, tab sis yuav ua li cas yog tias koj tab tom saib tus ntiv tes xoo ntawm HDR clip ntawm cov zaub uas tsis yog HDR? Qhov ntawd yog qhov chaw EDR tuaj.
"Nws yog ib qho uas pom HDR yees duab ntawm HDR TV, qhov twg tag nrho cov duab zoo nkaus li ci dua thiab nplua nuj dua. Nws yog lwm qhov uas pom cov duab zoo li no tau nthuav tawm nyob rau hauv cov ntsiab lus ntev-paub ntawm lub khoos phis tawj npo tag nrho. nplaub tshev icons thiab cov npe cov ntaub ntawv, " sau qhov pom kev cuam tshuam artist Stu Maschwitz ntawm nws prolost kev lag luam blog. "Nws zoo li taug kev los ntawm qhov chaw kos duab thiab ntog mus rau ib qho duab nrog nws tus kheej backlight."
Apple's EDR
Apple's EDR, lossis Extended Dynamic Range, siv qee qhov kev txawj ntse los qhia ob HDR thiab SDR (Standard Dynamic Range) ua ke ntawm tib lub vijtsam. Nws txawm ua haujlwm ntawm Macs qub uas tsis tau muag nrog HDR cov lus. Nws ua haujlwm zoo li no:
Nquag, qhov ci ci yog coded hla 256 kauj ruam, qhov twg xoom yog xim dub, thiab 255 yog dawb huv. Thaum lub Mac ua cov yeeb yaj kiab HDR, nws muab 0-255 rau lub qhov rais tsis tu ncua thiab lwm yam khoom ntawm lub vijtsam, tab sis kuj muab cov lej saum toj 255 rau HDR video.
Qhov ua kom yuam kev los thaum tag nrho cov khoom tso tawm, thiab tsuas yog ua haujlwm yog tias koj lub vijtsam ci tau teeb qis dua 100%. Lub Mac ces boosts qhov chaw ntawm qhov screen kom pom brighter pixels, thaum dimming lub puag ncig interface me ntsis. Yog tias koj muaj iPhone lossis iPad tsis ntev los no, koj tuaj yeem tshawb xyuas nws tam sim no, los ntawm kev nrhiav qee qhov HDR video. Lossis koj tuaj yeem tau txais lub tswv yim ntxhib ntawm nws hauv daim vis dis aus no los ntawm Maschwitz:
Leej twg tu?
Puas yog EDR muaj ntau dua li qhov ua kom zoo nkauj? Yog thiab tsis yog. Rau peb feem ntau, qhov no yog me ntsis ntau tshaj li qhov gimmick, tab sis rau video pros, nws ua rau nws yooj yim dua rau saib ua ntej clips yam tsis tas yuav qhib lawv hauv ib qho tshwj xeeb app. Thiab ib tus tuaj yeem sib cav tias cov xim yog ib qho gimmick thaum tus thawj Macintosh muaj peev xwm kho cov ntawv ntawm nws lub vijtsam dub thiab dawb. Los yog qhov kev daws teeb meem siab, "Retina" cov lus qhia yog qhov gimmick.
Nws zoo li taug kev los ntawm chav ua yeeb yam thiab ntog rau ntawm daim duab nrog nws tus kheej lub teeb.
Qhov khoom yog, cov gimmicks sai sai tau normalized, thiab ua qhov tseem ceeb. Nov yog qhov tshwm sim ntawm no. Kua yog normalizing HDR, uas tuaj yeem pom ntawm nws cov khoom siv, thiab txawm kaw siv lub iPhone 12.
Tsis ntev, peb yuav siv rau nws tias yog tias cov neeg sib tw tsis ua raws li, lawv cov khoom siv yuav zoo li qhov sib piv. Yog li tsis yog, peb tsis xav tau EDR ntawm peb lub xov tooj thiab laptops, tab sis zoo li retina daws teeb meem-ib zaug peb tau siv rau nws, nws yuav nyuaj rau rov qab.
