Understanding the Power Behind Apple ProRes

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Fahamka Awooda Ka Danbaysa Apple ProRes

ProRes waa tignoolajiyada codec-ka ah ee ay samaysay Apple 2007dii software-kooda Final Cut Pro.Markii hore, ProRes waxay diyaar u ahayd kombiyuutarada Mac kaliya.Marka lagu daro taageerada sii kordheysa ee kamaradaha fiidiyooga iyo duubayaasha badan, Apple waxay sii deysay fur-insyada ProRes ee Adobe Premiere Pro, Ka dib Saamaynta, iyo Media Encoder, taasoo u oggolaanaysa isticmaaleyaasha Microsoft inay sidoo kale wax ka beddelaan fiidiyowyada qaab ProRes.

Faa'iidooyinka isticmaalka codec-ka Apple ProRes ee soo-saarka kadib waa:

Shaqada kombayuutarka oo la dhimay, iyadoo ay ugu wacan tahay isku-buufinta sawirka

ProRes wax yar buu ku cadaadiyaa qaab kasta oo fiidyowga la qabtay, taasoo yaraynaysa xogta fiidiyowga.Dhanka kale, kombuyuutarku wuxuu awood u leeyahay inuu si dhakhso ah u socodsiiyo xogta fiidiyowga inta lagu jiro depression iyo tafatirka.

Sawirro tayo sare leh

ProRes waxay isticmaashaa 10-bit encoding si ay u hesho macluumaad midab wanaagsan leh oo leh qiime cadaadis oo hufan.ProRes waxa kale oo ay taageertaa in lagu ciyaaro fiidiyowyo tayo sare leh oo qaabab kala duwan ah.
Kuwa soo socdaa waxay soo bandhigayaan noocyada kala duwan ee qaababka Apple ProRes.Wixii macluumaad ah ee ku saabsan "qoto dheer midabka" iyo "chroma sampling", fadlan hubi maqaaladeenii hore-Waa maxay 8-bit, 10-bit, 12-bit, 4:4:4, 4:2:2 iyo 4:2:0

Apple ProRes 4444 XQ: Nooca ugu tayada sarreeya ee ProRes wuxuu taageeraa 4: 4: 4: 4 ilaha sawirka (oo ay ku jiraan kanaalada alfa) oo leh qiime aad u sarreeya si loo ilaaliyo faahfaahinta sawir-dhaqaale-sare leh oo ay soo saartay tayada ugu sareysa ee dijital ah maanta dareemayaasha sawirka.Apple ProRes 4444 XQ waxa ay ilaalisaa kala duwanaanshiyaha firfircoon dhowr jeer ka weyn baaxadda firfircoon ee Rec.709 sawir-xitaa liddi ku ah adkaynta habaynta saamaynta aragga ee aadka u daran, taas oo madawga cabirka-dhawaaqa ah ama iftiiminta si weyn loo fidiyay.Sida caadiga ah Apple ProRes 4444, codec-kani wuxuu taageeraa ilaa 12 bits kanaalka sawirka iyo 16 bits ee kanaalka alfa.Apple ProRes 4444 XQ waxay soo bandhigaysaa heerka xogta bartilmaameedka ah ee ku dhawaad ​​500 Mbps ee 4:4:4 ilo 1920 x 1080 iyo 29.97fps.

Apple ProRes 4444: Nooca ProRes oo aad u tayo sarreeya oo loogu talagalay 4: 4: 4: 4 ilaha sawirka (ay ku jiraan kanaalada alfa).Koodhkani waxa uu ka kooban yahay xal buuxa, tayaynta-tayada 4:4:4:4 midabka RGBA iyo aaminnimada aragga oo si caqli-gal ah aan loo kala saari karin alaabtii asalka ahayd.Apple ProRes 4444 waa xal tayo sare leh oo loogu talagalay kaydinta iyo isdhaafsiga sawirada dhaqdhaqaaqa iyo isku-dhafka, oo leh waxqabad aad u fiican iyo kanaalka alfa xisaabeed aan khasaare lahayn ilaa 16 bits.Koodhkani waxa uu leeyahay xog aad u hoosaysa marka loo eego 4:4:4 HD oo aan la adkayn, iyada oo la eegayo heerka xogta la beegsaday ku dhawaad ​​330 Mbps 4:4:4 ila 1920 x 1080 iyo 29.97fps.Waxa kale oo ay bixisa codayn toos ah iyo kood samaynta qaababka pixel ee RGB iyo Y'CBCR labadaba.

Apple ProRes 422 HQ: Nooca xogta-heerka sare ee Apple ProRes 422 kaas oo ilaalinaya tayada muuqaalka isla heerka sare ee Apple ProRes 4444, laakiin loogu talagalay 4: 2: 2 ilaha sawirka.Iyada oo korsashada baahsan ee warshadaha wax soo saarka ka dib ee fiidiyowga, Apple ProRes 422 HQ waxay bixisaa ilaalin muuqaal la'aan ah oo ah ilaalinta tayada ugu sareysa ee tayada sare leh HD fiidiyoo ah hal-link HD-SDI signal ayaa qaadi kara.Koodhkani waxa uu taageerayaa ballac buuxa, 4:2:2 ilo fiidyow oo ah 10-bit pixels qoto dheer halka uu muuqaal ahaan luminayo jiilal badan oo codayn iyo dib u codayn ah.Heerka bartilmaameedka xogta Apple ProRes 422 HQ waa ku dhawaad ​​220 Mbps oo ah 1920 x 1080 iyo 29.97fps.

Apple ProRes 422: Koodh isku dhafan oo tayo sare leh oo bixiya ku dhawaad ​​dhammaan faa'iidooyinka Apple ProRes 422 HQ, laakiin 66 boqolkiiba heerka xogta xitaa ka sii wanaagsan oo isku dhafan iyo waxqabadka tafatirka waqtiga-dhabta ah.Heerka bartilmaameedka Apple ProRes 422 waa ku dhawaad ​​147 Mbps oo ah 1920 x 1080 iyo 29.97fps.

Apple ProRes 422 LT: codec aad u cufan marka loo eego

Apple ProRes 422, oo leh qiyaastii 70 boqolkiiba heerka xogta iyo

30 boqolkiiba ka yar cabbirrada faylka.Koodhkani wuxuu ku fiican yahay bay'adaha ay awoodda kaydinta iyo heerka xogtu aad ugu muhiimsan yihiin.Heerka bartilmaameedka xogta Apple ProRes 422 LT waa ku dhawaad ​​102 Mbps oo ah 1920 x 1080 iyo 29.97fps.

Apple ProRes 422 Proxy: Codec aad u adag oo aad u adag marka loo eego Apple ProRes 422 LT, oo loogu talagalay in lagu isticmaalo qulqulka shaqada ee khadka tooska ah ee u baahan qiime hoose laakiin fiidiyow HD buuxa ah.Heerka bartilmaameedka xogta Apple ProRes 422 Proxy waa ku dhawaad ​​45 Mbps 1920 x 1080 iyo 29.97fps.
Shaxda hoose waxay muujineysaa sida heerka xogta Apple ProRes uu barbardhigayo xallinta HD Full HD (1920 x 1080) 4:4:4 12-bit iyo 4:2:2 10-bit sawirada taxanaha 29.97fps.Marka loo eego shaxanka, xitaa qaadashada qaababka tayada ugu sarreeya ee ProRes-Apple ProRes 4444 XQ iyo Apple ProRes 4444, waxay bixiyaan isticmaalka xog aad uga hooseeya kan sawirada aan la isku dhejin.


Waqtiga boostada: Apr-22-2022