Ðoɖo Nyuitɔwo Kekeake na YouTube ƒe Nyatakakawo

YouTube ƒe Videowo Dada ƒe Nudidiwo Gɔmesese

YouTube doa alɔ video ƒe nɔnɔme vovovowo, gake menye video ƒe nɔnɔmewo katãe wowɔ sɔsɔe ne wole nu ƒom tso video ƒe nyonyome kple dɔwɔwɔ kabakaba ŋu o. Nuƒolanɔƒea kafu MP4 faɛl siwo me H.264 video codec kple AAC odio codec le le se nu be woakpɔ emetsonu nyuitɔwo. Nuƒoƒoƒu sia naa faɛl ƒe lolome, eƒe nyonyome, kple eƒe ɖekawɔwɔ ƒe dadasɔ nyuitɔ kekeake le mɔ̃wo kple web-browserwo katã me. Togbɔ be YouTube xɔa nɔnɔmewo abe MOV, AVI, WMV, FLV, kple WebM hã la, zi geɖe la, wo ɖoɖo ɖe nɔnɔme siawo me hea dɔwɔwɔ ƒe ɣeyiɣi didi wu vɛ eye eƒe nyonyome ate ŋu agblẽ le YouTube ƒe tɔtrɔɣi. Nuƒolanɔƒea gbugbɔa video siwo katã woda ɖe Internet dzi la dea kɔpi me le eɖokui si ɖe nɔnɔme kple nɔnɔme vovovowo me be woaɖe wo ɖe go, gake ne wodze egɔme tso nɔnɔme si wokafu dzi la, esia kpɔa egbɔ be nu nyuitɔ kekeake ado tso eme. Mɔ̃ɖaŋununya ƒe nudidi siawo gɔmesese le vevie ŋutɔ na nyatakakawo wɔlawo siwo di be yewoƒe videowo nadze abe dɔnyala ene eye woaxɔ agba kabakaba na nukpɔlawo.

• MP4 si me H.264 codec le ye nye YouTube ƒe nɔnɔme si wòlɔ̃na wu
• Fail ƒe lolome ƒe seɖoƒe si sɔ gbɔ wue nye 256GB alo gaƒoƒo 12 ƒe didime
• Frame ƒe agbɔsɔsɔme siwo wodo alɔe dometɔ aɖewoe nye 24, 25, 30, 48, 50, kple 60 FPS

Video ƒe Nɔnɔme Nyuitɔ Kple Bitrate ƒe Ðoɖowo

Video ƒe lolome kple bitrate wɔa dɔ aduadu tsɔ nyaa wò upload ƒe nukpɔkpɔ ƒe nyonyome kple faɛl ƒe lolome. Le 1080p uploads gome la, YouTube kafui be bitrate nanɔ 8-12 Mbps dome na standard frame rates kple 12-18 Mbps na frame rate content si lolo (50/60fps). Bitrate siwo kɔ wu kpɔa nyatakaka geɖe ta eye wòɖea compression artifacts dzi kpɔtɔna, gake egahea faɛl ƒe lolome gãwo kple ɣeyiɣi didi siwo woatsɔ aɖoe ɖe Internet dzi hã vɛ. Ne èle tameɖoɖo kplikpaa tiam la, bu wò nyatakakatsoƒe kple nyaselawo ŋu. Togbɔ be 4K (2160p) naa eme kɔna nukutɔe hã la, ebia bitrates siwo lolo ŋutɔ (35-45 Mbps) kple dɔwɔwɔ ƒe ɣeyiɣi didiwo. Nuwɔla geɖewo kpɔe be 1080p naa teƒe vivi si le nyonyome kple nuwɔna dome. Ele vevie hã be nàtsɔ wò upload resolution asɔ kple wò recording resolution – ƒã hafi upscaling lower resolution footage naa woƒe nyonyome nyona ɖe edzi eye zi geɖe la, etoa artifacts siwo mèdi o vɛ. Ne èdi be yeakpɔ emetsonu nyuitɔ la, zã bitrate si trɔna (VBR) ƒe nuŋɔŋlɔ tsɔ wu bitrate si nɔa anyi ɖaa (CBR). VBR maa bit geɖe ɖe nukpɔkpɔ sesẽ siwo me ʋuʋu alo tsitotsito geɖe le esime wòzãa bit ʋɛ aɖewo na nukpɔkpɔ bɔbɔewo, si wɔnɛ be woƒe nyonyome bliboa nyona ɖe edzi le faɛl ƒe lolome suewo me.

Odio ƒe Ðoɖowɔwɔ na Dɔnyala ƒe Emetsonuwo

Zi geɖe la, woŋea aɖaba ƒua odio ƒe nyonyome dzi gake ewɔa akpa vevi aɖe le nukpɔlawo ƒe gomekpɔkpɔ le eme kple wo léle ɖe te me. YouTube kafu AAC odio codec si ƒe kpɔɖeŋu ƒe tsɔtsɔme nye 48kHz kple bitrate si nye 384 kbps na stereo odio. Ðoɖo siawo naa odio gbugbɔgawɔ si me kɔ abe kristalo ene esime woléa faɛl ƒe lolome siwo sɔ me ɖe asi. Ƒo asa na bitrates siwo bɔbɔ wu abe 128 kbps ene zazã, elabena woate ŋu ahe compression artifact siwo dzena siwo ɖea nukpɔkpɔ ƒe nuteƒekpɔkpɔ dzi kpɔtɔna vɛ. Le nyatakakawo wɔlawo siwo zãa odio haƒoƒo geɖe, abe haƒoƒo kple gbeɖiɖi siwo wolé ɖe mɔ̃ dzi vovovowo ene gome la, ele vevie be woada asɔ nyuie le woƒe agbɔsɔsɔme ŋu hafi akɔ wo ɖe Internet dzi. YouTube ƒe odio ŋuti dɔwɔwɔ ate ŋu ana masɔmasɔ siwo li xoxo nadzi ɖe edzi ɣeaɖewoɣi, si ana be woagade dzesii be wotsaka wo nyuie o. Kpɔ egbɔ be wò odio ƒe sesẽme ɖo eƒe kɔkɔƒe le -6dB va ɖo -3dB, si agblẽ ta na YouTube ƒe dɔwɔwɔ esime nèle asa ƒom na tɔtɔ. Odio ƒe sesẽme si nɔa anyi ɖaa le wò video bliboa me hã nana nukpɔla ƒe nuteƒekpɔkpɔ nyona ɖe edzi eye wòɖea alesi wòanya wɔ be nukpɔlawo natrɔ asi le woƒe gbeɖiɖi ŋu ɣesiaɣi dzi kpɔtɔna.

Frame Rate kple Motion ƒe Ðoɖowo

Frame rate kpɔa ŋusẽ ɖe wò YouTube uploads ƒe nukpɔkpɔ kple file ƒe lolome siaa dzi vevie. Zi geɖe la, nyatakaka siwo wozãna ɖaa zãa 24fps (cinematic), 25fps (PAL nutoawo), alo 30fps (broadcast standard), gake fefewɔwɔ kple nyatakaka siwo le ʋuʋum ŋutɔ ya kpɔa viɖe tso 60fps me zi geɖe hena ƒoƒo nyuie wu. Gɔmeɖose vevitɔ enye be nàtsɔ wò upload frame rate asɔ kple wò source material – ƒo asa na frame rate ƒe tɔtrɔ ne anya wɔ elabena ateŋu ahe kukɔ alo ʋuʋu ƒe blukɔ vɛ. Le frame rate content si lolo gome la, kpɔ egbɔ be wò bitrate kɔkɔ ale gbegbe be nàte ŋu akpɔ ɣeyiɣi ŋuti nyatakaka siwo dzi ɖe edzi la gbɔ. Video si ƒe ŋusẽ nye 60fps hiã be wòanye bitrate si ade 30fps ƒe bitrate si sɔ kple 30fps be wòalé nyonyome ƒe ɖoɖo ɖeka me ɖe asi. Tsɔ kpe ɖe eŋu la, de ŋugble le wò nyaselawo ƒe nukpɔkpɔ ƒe nɔnɔme kple mɔ̃ siwo wozãna ŋu. Togbɔ be 60fps naa ʋuʋu nɔa bɔbɔe wu hã la, ebia be woawɔ bandwidth kple dɔwɔwɔ ƒe ŋusẽ geɖe wu, si ɖewohĩ masɔ na nukpɔla siwo le kadodo siwo le blewu alo mɔ̃ xoxowo dzi o. Ne èle nyatakaka siwo me ʋuʋu le abe fefe videowo alo kamedefefewo ƒe videowo ene ŋlɔm la, zã ʋuʋu ƒe akɔntabubu ƒe ɖoɖo siwo sɔ le wò encoder la me. Ʋuʋu ƒe akɔntabubu ƒe mɔnu siwo de ŋgɔ wu ate ŋu ana nusiwo le ʋuʋum kabakaba ƒe dzedzeme nanyo ɖe edzi ŋutɔ eye woaɖe asinudɔwɔwɔwo dzi akpɔtɔ, togbɔ be wodzia ɣeyiɣi si wotsɔ ŋlɔa nu ɖe ​​edzi hã.

Amadede ƒe Teƒe Kple Dynamic Range Bubu

Amadede ƒe teƒe kple dynamic range ƒe ɖoɖowo kpɔa ŋusẽ ɖe alesi wò videowo dzena le mɔ̃ vovovowo kple nukpɔkpɔ vovovowo dzi dzi. YouTube doa alɔ standard dynamic range (SDR) kple high dynamic range (HDR) content siaa, gake nukpɔla akpa gãtɔ gakpɔtɔ kpɔa wo le SDR-nukpɔkpɔwo dzi. Ne èdi SDR me nyawo la, zã Rec. 709 amadede ƒe teƒe (si wogayɔna be sRGB) si ƒe didime seɖoƒe li na (16-235) na amadede siwo le dedie le nyadzɔdzɔwo kaka me siwo dzena ɣesiaɣi le mɔ̃wo katã dzi. HDR me nyawo naa amadede ƒe vovototo kple keklẽ ƒe didime si keke ta gake ebia encoding parameters tɔxɛwo kple nukpɔmɔ̃ siwo sɔ. Ne èle HDR me nyawo dam ɖe Internet dzi la, zã Rec. 2020 amadede teƒe kple PQ (Perceptual Quantizer) alo HLG (Hybrid Log-Gamma) ƒe asitɔtrɔdɔwo. Ke hã, kpɔ egbɔ be wolé wò nyatakakawo ŋutɔŋutɔ alo wowɔ wo le HDR me – ne ède dzesi SDR nyatakakawo be wonye HDR ko ana amadede siwo woklɔ eye nukpɔkpɔ ƒe nuteƒekpɔkpɔ madeamedzi nado tso eme. Be amadede ƒe nyateƒenyenye nade pɛpɛpɛ la, wɔ dɔ le nɔnɔme si wodo kpɔ me ɣesiaɣi eye nàzã amadede ƒe teƒe ma ke si nèwɔ la atsɔ aɖoe ɖe duta. Ƒo asa na amadede ƒe teƒe ƒe tɔtrɔ le eɖokui si, elabena ate ŋu atrɔ amadedewo le vome. Ne mèka ɖe amadede ƒe ɖoɖowo dzi o la, lé ɖe Rec. 709/sRGB, si kpɔa egbɔ be woƒoa nu ɣesiaɣi le mɔ̃ vovovo siwo keke ta wu kple nukpɔkpɔ ƒe nɔnɔmewo me.

Fail Dzadzraɖo Kple Upload ƒe Dɔwɔna Nyuitɔ

Fail dzadzraɖo nyuie ate ŋu aɖe ɣeyiɣi siwo woatsɔ aɖoe ɖe Internet dzi kple dɔwɔwɔ ƒe megbetsitsi dzi akpɔtɔ ŋutɔ. Hafi nàdae ɖe Internet dzi la, kpɔ egbɔ be wowɔ wò video faɛl la nyuie eye wowɔe wònyo wu. Zã scan vivivi tsɔ wu video si wotsɔ ƒo ƒui, elabena nyatakaka siwo wotsɔ ƒo ƒui ate ŋu ana woakɔ blemanu siwo le egbegbe nukpɔkpɔwo dzi. Tsɔ kpe ɖe eŋu la, da moov atɔm la ɖe MP4 faɛlwo ƒe gɔmedzedze (si woyɔna hã be ‘web optimization’ alo ‘fast start’) be nàte ŋu awɔ eƒe kɔpi vivivi eye nàƒoe kabakaba le gɔmedzedzea me. Bu wò internet kadodo kple ɖoɖowɔɖi si nàda ɖe Internet dzi ŋu ne èle faɛlwo dzram ɖo. 4K faɛl gãwo ate ŋu axɔ gaƒoƒo geɖe hafi woada ɖe kadodo siwo le blewu dzi, eye YouTube ƒe dɔwɔwɔ ƒe fli ate ŋu atsɔ megbedede bubuwo akpe ɖe eŋu le ɣeyiɣi siwo me amewo sɔa gbɔ wu me. Le nyatakaka siwo ku ɖe ɣeyiɣi ŋu gome la, zi geɖe la, ne woda wo ɖe Internet dzi le gaƒoƒo siwo me amewo mevaa dɔa nyuie o me (zi geɖe la, zãtiƒe alo ŋdi kanya le miaƒe nutoa me) nana wowɔa dɔ kabakaba wu. Àte ŋu akɔ videowo hã ɖe Internet dzi abe esiwo womeŋlɔ ɖe agbalẽ me o alo esiwo nye ame ŋutɔ tɔ ene gbã be nàwu wo ŋudɔwɔwɔ nu hafi aɖe wo ɖe go le dutoƒo. Woŋea aɖaba ƒua faɛl ƒe ŋkɔyɔyɔ kple metadata ƒe ɖoɖowɔwɔ dzi zi geɖe gake wonyea akpa vevi siwo le eɖoɖo ƒe ɖoɖoa me. Zã faɛl ŋkɔ siwo ɖɔa nu eye nàkpɔ egbɔ be wò video ɖɔlila ɖo metadata dzadzɛwo ɖe duta. Metadata siwo mehiã o siwo ate ŋu ana faɛl ƒe lolome nadzi ɖe edzi alo ahe dɔwɔwɔ ŋuti kuxiwo vɛ la le ɖɔɖɔɖo ƒe kɔmpiutadziɖoɖo aɖewo me. Ne wò nɔnɔmetata sue, tanya, numeɖeɖe, kple dzesideŋkɔwo nanɔ klalo hafi nàdae ɖe Internet dzi hã nana etata ƒe ɖoɖoa nɔa bɔbɔe.