Gusobanukirwa Imbaraga Inyuma ya Apple ProRes

ProRes ni tekinoroji ya codec yatunganijwe na Apple muri 2007 kuri software ya Final Cut Pro.Ku ikubitiro, ProRes yaboneka gusa kuri mudasobwa ya Mac.Kuruhande rwiyongera kubufasha bwa kamera na videwo nyinshi, Apple yasohoye amacomeka ya ProRes ya Adobe Premiere Pro, Nyuma yingaruka, na Media Encoder, yemerera abakoresha Microsoft guhindura amashusho muburyo bwa ProRes.

Ibyiza byo gukoresha codec ya Apple ProRes nyuma yumusaruro ni:

Kugabanya akazi ka mudasobwa, dukesha compression

ProRes ikanda gato buri kadamu ya videwo yafashwe, igabanya amakuru ya videwo.Na none, mudasobwa ibasha gutunganya amakuru ya videwo vuba mugihe cya decompression no gutunganya.

Amashusho meza

ProRes ikoresha kodegisi 10-kugirango ibone amakuru meza hamwe nigipimo cyiza cyo kwikuramo.ProRes nayo ishyigikira gukina amashusho meza cyane muburyo butandukanye.
Ibikurikira byerekana ubwoko butandukanye bwimiterere ya Apple ProRes.Kumakuru yerekeye "uburebure bwamabara" na "chroma sampling", nyamuneka reba ingingo zabanjirije iyi-Niki 8-bit, 10-bit, 12-bit, 4: 4: 4, 4: 2: 2 na 4: 2: 0

Apple ProRes 4444 XQ: Verisiyo yo mu rwego rwohejuru ya ProRes ishyigikira 4: 4: 4: 4 inkomoko yamashusho (harimo imiyoboro ya alfa) hamwe nigipimo cyinshi cyo kubika amakuru arambuye mumashusho maremare-yerekana amashusho yakozwe na digitale yujuje ubuziranenge. amashusho.Apple ProRes 4444 XQ ibika imbaraga zingana inshuro nyinshi kurenza imbaraga za Rec.Amashusho 709 - ndetse no kurwanya ubukana bwo gutunganya ibintu bikabije, aho amajwi yirabura cyangwa amatara arambuye ku buryo bugaragara.Kimwe na Apple ProRes isanzwe 4444, iyi codec ishyigikira bits zigera kuri 12 kumurongo wamashusho na 16 bits kumuyoboro wa alfa.Apple ProRes 4444 XQ igaragaramo igipimo cyamakuru kingana na 500 Mbps kuri 4: 4: 4 kuri 1920 x 1080 na 29.97 fps.

Apple ProRes 4444: Verisiyo nziza cyane ya ProRes ya 4: 4: 4: 4 inkomoko yamashusho (harimo imiyoboro ya alfa).Iyi codec igaragaramo ibisubizo byuzuye, ubuhanga-bwiza 4: 4: 4: 4 Ibara rya RGBA hamwe nubudahemuka bugaragara ntibishobora gutandukana nibintu byumwimerere.Isosiyete ya Apple ProRes 4444 nigisubizo cyiza cyo kubika no guhana ibishushanyo mbonera hamwe nibihimbano, hamwe nibikorwa byiza hamwe numuyoboro wa alfa udafite igihombo kugeza kuri 16 bits.Iyi codec igaragaramo igipimo gito cyamakuru ugereranije na 4: 4: 4 HD idacometse, hamwe nigipimo cyamakuru agera kuri 330 Mbps kuri 4: 4: 4 kuri 1920 x 1080 na 29.97 fps.Itanga kandi kodegisi itaziguye hamwe na decoding ya format ya RGB na Y'CBCR.

Apple ProRes 422 HQ: Urwego rwohejuru rwibipimo bya Apple ProRes 422 ibika ubuziranenge bwibintu kurwego rwo hejuru nka Apple ProRes 4444, ariko kuri 4: 2: 2.Hamwe nogukwirakwizwa kwinshi mumashusho yinganda zimaze gukorerwa, Apple ProRes 422 HQ itanga uburyo bwo kubika neza amashusho ya HD yumwuga wo mu rwego rwohejuru ushobora kwerekana ikimenyetso kimwe HD-SDI ishobora gutwara.Iyi codec ishyigikira ubugari bwuzuye, 4: 2: 2 amasoko ya videwo kuri 10-biti ya pigiseli yimbitse mugihe igumye idafite igihombo mubisekuru byinshi bya decoding na re-encoding.Ikigereranyo cya Apple ProRes 422 HQ igereranya amakuru agera kuri 220 Mbps kuri 1920 x 1080 na 29.97 fps.

Isosiyete ya Apple ProRes 422: Kodegisi yo mu rwego rwohejuru ihanitse itanga inyungu hafi ya zose za Apple ProRes 422 HQ, ariko kuri 66 ku ijana byikigereranyo cyamakuru kugirango irusheho kuba nziza kandi ikora neza.Igipimo cya Apple ProRes 422′s igipimo cya 147 Mbps kuri 1920 x 1080 na 29.97 fps.

Apple ProRes 422 LT: Kodegisi irenze cyane

Apple ProRes 422, hamwe hafi 70% yikigereranyo cyamakuru kandi

30 ku ijana ingano ya dosiye.Iyi codec irahagije kubidukikije aho ubushobozi bwo kubika nigipimo cyamakuru ari ngombwa.Ikigereranyo cya Apple ProRes 422 LT igipimo cyamakuru ni hafi 102 Mbps kuri 1920 x 1080 na 29.97 fps.

Proxy ya Apple ProRes 422: Kodegisi irenze cyane kurusha Apple ProRes 422 LT, igenewe gukoreshwa mumurongo wa interineti ikenera ibiciro bito ariko videwo yuzuye ya HD.Apple ProRes 422 igipimo cyamakuru ya Proxy ni hafi 45 Mbps kuri 1920 x 1080 na 29.97 fps.
Imbonerahamwe ikurikira irerekana uburyo igipimo cyamakuru cya Apple ProRes ugereranije nubushakashatsi bwuzuye bwa HD (1920 x 1080) 4: 4: 4 12-bit na 4: 2: 2 10-biti bikurikirana kuri 29.97 fps.Ukurikije imbonerahamwe, ndetse no gukoresha imiterere yo mu rwego rwohejuru ya ProRes - Apple ProRes 4444 XQ na Apple ProRes 4444, itanga imibare ikoreshwa cyane ugereranije niy'amashusho adafunze.