ProRes bụ codec technology mepụtara Apple na 2007 maka ha Final Cut Pro software.Na mbụ, ProRes dị naanị maka kọmputa Mac.N'akụkụ nkwado na-eto eto site na igwefoto vidiyo na ndị na-edekọ ihe, Apple weputara plug-ins ProRes maka Adobe Premiere Pro, After Effects, na Media Encoder, na-enye ndị ọrụ Microsoft ohere dezie vidiyo na usoro ProRes kwa.
Uru nke iji Apple ProRes codec na mmepụta ihe bụ:
Mbelata ọrụ kọmputa, ekele maka mkpakọ onyonyo
ProRes na-akpakọba etiti ọ bụla nke vidiyo ewepụtara, na-ebelata data vidiyo.N'aka nke ya, kọmpụta nwere ike ịhazi data vidiyo ngwa ngwa n'oge nkwụsịtụ na edezi.
Onyonyo dị elu
ProRes na-eji ntinye 10-bit iji nweta ozi agba ka mma yana ọnụego mkpakọ dị mma.ProRes na-akwadokwa ịkpọ vidiyo dị elu n'ụdị dị iche iche.
Ndị na-esonụ na-ewebata ụdị dị iche iche nke Apple ProRes formats.Maka ozi gbasara " omimi agba" na "chroma sampling", biko lelee akụkọ anyị gara aga-Kedu ihe bụ 8-bit, 10-bit, 12-bit, 4:4:4, 4:2:2 na 4:2:0
Apple ProRes 4444 XQ: Ụdị ProRes kachasị elu na-akwado 4: 4: 4: 4 isi iyi oyiyi (gụnyere ọwa alfa) yana ọnụego data dị elu nke ukwuu iji chekwaa nkọwa zuru ezu na foto dị elu nke na-emepụta site na dijitalụ kacha elu taa. ihe oyiyi sensọ.Apple ProRes 4444 XQ na-echekwa oke ike ọtụtụ ugboro karịa oke ike nke Rec.Ihe onyonyo 709—ọbụlagodi megide nhịahụ nke nhazi mmetụta visual dị oke egwu, nke na-agbatị oke ojii ma ọ bụ ihe dị elu nke ukwuu.Dị ka ọkọlọtọ Apple ProRes 4444, codec a na-akwado ihe ruru 12 ibe n'ibe maka ọwa onyonyo yana 16 bit maka ọwa alfa.Apple ProRes 4444 XQ nwere atụmatụ data ezubere iche nke ihe dịka 500 Mbps maka 4:4:4 isi mmalite na 1920 x 1080 na 29.97fps.
Apple ProRes 4444: Ụdị ProRes dị oke elu maka 4:4:4: isi iyi onyonyo (gụnyere ọwa alfa).Codec a na-egosipụta mkpebi zuru oke, njikwa-mma 4: 4: 4: 4 RGBA agba na ntụkwasị obi anya nke na-enweghị ike ịmata ọdịiche dị na ihe mbụ.Apple ProRes 4444 bụ ihe ngwọta dị elu maka ịchekwa na ịgbanwere eserese ngagharị na ihe ndị mejupụtara, nwere ọmarịcha arụmọrụ yana ọwa alfa na-enweghị mgbakọ na mwepụ ruo 16 bits.Codec a na-egosipụta ọnụego data dị ala nke ukwuu ma e jiri ya tụnyere 4:4:4 HD, yana ọnụego data ebumnuche nke ihe dịka 330 Mbps maka 4:4:4 isi mmalite na 1920 x 1080 na 29.97 fps.Ọ na-enyekwa ntinye na ngbanwe ozugbo nke ụdị pixel RGB na Y'CBCR.
Apple ProRes 422 HQ: Ụdị data dị elu nke Apple ProRes 422 nke na-echekwa ịdịmma anya n'otu ọkwa dị elu dị ka Apple ProRes 4444, mana maka 4: 2: 2 isi mmalite ihe oyiyi.Site na nnabata zuru ebe niile n'ofe ụlọ ọrụ mmepụta vidiyo, Apple ProRes 422 HQ na-enye nchekwa na-enweghị atụ nke ọkachamara HD vidiyo nke otu njikọ HD-SDI nwere ike ibu.Codec a na-akwado obosara zuru oke, 4: 2: 2 isi iyi vidiyo na omimi 10-bit pikselụ ebe ọ na-anọgide na-adịghị ahụ anya site na ọtụtụ ọgbọ nke ngbanwe na ntinye koodu.Ọnụego data ebumnuche Apple ProRes 422 HQ bụ ihe dịka 220 Mbps na 1920 x 1080 na 29.97fps.
Apple ProRes 422: Codec abịakọrọ dị elu na-enye ihe fọrọ nke nta ka ọ bụrụ uru niile nke Apple ProRes 422 HQ, mana na 66 pasent nke ọnụego data maka ọbụna multistream ka mma na ịrụ ọrụ nhazi oge.Ọnụego ebumnuche Apple ProRes 422 bụ ihe dịka 147 Mbps na 1920 x 1080 na 29.97 fps.
Apple ProRes 422 LT: Codec nke ukwuu abịakọrọ karịa
Apple ProRes 422, yana ihe dị ka pasenti 70 nke ọnụego data na
30% nha faịlụ pere mpe.Codec a zuru oke maka gburugburu ebe ikike nchekwa na ọnụego data kacha mkpa.Ọnụego data ebumnuche Apple ProRes 422 LT bụ ihe dịka 102 Mbps na 1920 x 1080 na 29.97fps.
Apple ProRes 422 Proxy: Codec nke ukwuu abịakọrọ karịa Apple ProRes 422 LT, ezubere maka iji rụọ ọrụ na-anọghị n'ịntanetị nke chọrọ ọnụego data dị ala mana vidiyo HD zuru oke.Ọnụego data ebumnuche Apple ProRes 422 Proxy bụ ihe dịka 45 Mbps na 1920 x 1080 na 29.97fps.
Chaatị dị n'okpuru na-egosi ka ọnụego data Apple ProRes si atụnyere mkpebi HD zuru oke (1920 x 1080) 4: 4: 4 12-bit na 4: 2: 2: usoro onyonyo 10-bit na 29.97 fps.Dabere na eserese ahụ, ọbụlagodi ịnakwere ụdị ProRes kachasị mma - Apple ProRes 4444 XQ na Apple ProRes 4444, na-enye ojiji data dị ala karịa nke onyonyo enweghị mkpakọ.
Oge nzipu: Eprel-22-2022