Media Bitrate ƒe Akɔntabubumɔ̃
Bu bitrates nyuitɔwo kekeake na nyonyome ƒe dzidzenu vovovowo kple mɔ̃wo. Ede blibo na videowɔlawo, streamers, kple nyatakakawo ŋuti nunyala siwo di be yewoadzi eƒe nyonyome ɖe edzi esime wole faɛl ƒe lolome kple bandwidth wɔm nyuie wu.
Bu Akɔnta le Wò Bitrate Nyuitɔ Ŋu
Kpe nyatakaka siwo le ete la ɖo be nàkpɔ bitrates siwo wokafu na wò media. Míaƒe akɔntabubumɔ̃a bua resolution, frame rate, content type, kple target platform ŋu be wòana bitrate ƒe aɖaŋuɖoɖo nyuitɔwo kekeake.
Nukatae Nàzã Míaƒe Bitrate Akɔntabubumɔ̃
Dzɔdzɔmeŋutete & Agbɔsɔsɔme ƒe Dadasɔ Nyuitɔ
Di dadasɔ deblibo le nukpɔkpɔ ƒe nyonyome kple faɛl ƒe lolome dome kple míaƒe bitrate ƒe aɖaŋuɖoɖo siwo me nunya le siwo wotu ɖe numekuku blibo dzi.
- Nuƒolanɔƒe tɔxɛwo ƒe nyonyome
- Akɔntabubu siwo nya nu tso emenyawo ŋu
- Tiatia geɖewo le nyonyome ŋu
Codec ƒe Kpekpeɖeŋu blibo
Na kafukafu tɔxɛwo na egbegbe codec siwo dometɔ aɖewoe nye H.264, H.265/HEVC, VP9, kple AV1, siwo dometɔ ɖesiaɖe ƒe ɖoɖo nyuitɔwo le.
- Codec-koŋ ƒe bitrate ƒe asitɔtrɔwo
- Next-gen codec ƒe kpekpeɖeŋu
- Dɔnyala ƒe codec ƒe ɖoɖowo
Nuƒolanɔƒe-Nu Nyuitɔ Kekeake
Kpɔ egbɔ be wò nyatakakawo dze nyuie wu le mɔ̃ ɖesiaɖe dzi kple bitrate ƒe aɖaŋuɖoɖo siwo wowɔ ɖe ɖoɖo nu na YouTube, Twitch, Facebook, kple bubuwo.
- Nuƒolanɔƒe tɔxɛwo ƒe encoding aɖaŋuɖoɖowo
- Wowɔe wònyo wu na mɔ̃ ɖesiaɖe ƒe akɔntabubu
- Wowɔe yeyee kple nudidi yeye siwo le nuƒolanɔƒea
Nyadzɔdzɔgblɔmɔnuwo ƒe Bitrates Gɔmesese
Nukae Nye Bitrate Eye Nukatae Wòle Vevie?
Bitrate nye nyatakaka agbɔsɔsɔme si ŋu wotrɔ asi le le ɣeyiɣi ɖeka me, si wodzidzena zi geɖe le bits le sɛkɛnd ɖeka me (bps), kilobits le sɛkɛnd ɖeka me (Kbps), alo megabits le sɛkɛnd ɖeka me (Mbps). Ne míagblɔe bɔbɔe la, efia nyatakaka agbɔsɔsɔme si wotsɔ ɖo ɖi be woatsɔ atsi tre ɖi na wò video alo odio me nyawo.
Zi geɖe la, bitrate siwo lolo wu fia be woƒe nyonyome nyo wu elabena wozãa nyatakaka geɖe tsɔ dzraa nyadzɔdzɔgblɔmɔnuwo ŋuti nyatakakawo ɖo, si wɔnɛ be wokpɔa nyatakaka tsitotsito wu eye wo me kɔna. Gake bitrate siwo lolo wu hã hea faɛl ƒe lolome gãwo vɛ eye wòbiaa bandwidth geɖe wu hena streaming. Bitrate nyuitɔ didi le vevie ŋutɔ na dadasɔ le nyonyome kple nusiwo ŋu woabu ŋutɔŋutɔ abe faɛl ƒe lolome, ɣeyiɣi si woatsɔ akɔe/ɖee, kple streaming ƒe dɔwɔwɔ ene.
Video ƒe Bitrate
Ekpɔa wò videoa ƒe nukpɔkpɔ ƒe nyonyome dzi. Ebɔbɔ akpa, eye àkpɔ blemanu siwo le abe kpe gbadzɛwo ene, nusiwo me mekɔ o, kple nusiwo me kɔ o. Kɔkɔ akpa, eye nèle nudzraɖoƒe gblẽm ŋgɔyiyi siwo woate ŋu akpɔ manɔmee.
Odio ƒe Bitrate
Efiaa gbeɖiɖi ƒe nyonyome. Odio ƒe bitrates si bɔbɔ ɖe anyi ate ŋu ana gbeɖiɖi si le tin me, ŋusẽ si ƒe didime nabu, kple toɣliɖeɖe si le megbe nado. Zi geɖe la, odio hiãa nyatakaka siwo mesɔ gbɔ kura o wu video.
Dadasɔ Didi
Aɖaŋu si nye bitrate optimization enye be nàdi teƒe vivi si me woawɔ nyonyome wòade edeƒe le esime faɛl ƒe lolome kple bandwidth ƒe nudidiwo le susu me na wò nyaselawo.
Nusiwo Kpɔa Ŋusẽ Ðe Optimal Bitrate Dzi
Nu geɖe kpɔa ŋusẽ ɖe bitrate si ahe nu nyuitɔ kekeake vɛ na wò nyadzɔdzɔgblɔmɔ̃ tɔxɛa dzi. Míaƒe akɔntabubumɔ̃a bua nu siawo ŋu be wòaɖo aɖaŋu siwo de pɛpɛpɛ wu:
Nuɖoɖo
Pixels geɖe le resolution siwo kɔ wu (4K, 1440p, 1080p) me eye wobia bitrates siwo lolo wu be woalé nyonyome me ɖe asi. 4K video hiã nyatakaka geɖe ŋutɔ wu 720p video si me nya ɖeka ma ke le.
Frame ƒe Agbɔsɔsɔme
Video siwo ƒe ŋusẽ nye 60fps hiã na video siwo ƒe ŋusẽ nye 30fps ƒe bitrate si ade 1.5x be woalé nyonyome ɖeka me ɖe asi, elabena frame siwo woatsɔ awɔ encode le ɣeyiɣi ɖeka me la sɔ gbɔ wu zi gbɔ zi eve.
Emenyawo ƒe Sesẽme
Nyatakaka siwo zɔna kabakaba siwo me woɖea nu geɖe tsitotsito le (kamedefefewo, nuwɔna ƒe nukpɔkpɔwo) bia be woatsɔ bitrates si lolo wu nyatakaka siwo nɔa teƒe ɖeka (gbebiamewo, nuƒoƒo) be woaƒo asa na ʋuʋu ƒe asinudɔwɔwɔwo eye woana eme nakɔ.
Codec ƒe Dɔwɔwɔ Nyuie
Codec yeyewo abe H.265/HEVC kple AV1 ateŋu aɖo nyonyome ma tɔgbe gbɔ le bitrates siwo bɔbɔ wu me ne wotsɔe sɔ kple codec xoxowo abe H.264, zi geɖe la, ebiaa nyatakaka ʋɛ aɖewo 30-50%.
Mɔnu si Woatsɔ Atsɔe Aɖoe
Streaming platforms ate ŋu atrɔ wò nyatakakawo, eyata dzɔtsoƒe si le nyonyome nyuitɔ kekeake nana le vevie. Downloads ateŋu akpɔ viɖe tso bitrates siwo lolo wu me elabena bandwidth ƒe mɔxenuwo kpɔa ŋusẽ ɖe download gbãtɔ dzi ko.
Taɖodzinu ƒe Nuƒolanɔƒe
Nudidi kple dɔwɔwɔ ƒe mɔnu vovovowo le mɔ̃ vovovowo si. YouTube, Twitch, Netflix, kple hadomenyatakakadzraɖoƒewo dometɔ ɖesiaɖe kple eƒe ɖoɖo nyuitɔwo.
Bitrate Units & Tɔtrɔwo
Bitrate units kple alesi wodo ƒome kple faɛl ƒe lolome gɔmesese le vevie na nyadzɔdzɔgblɔmɔnuwo ƒe ɖoɖowɔwɔ nyuie:
| Nu ɖeka | Dzesi | Asixᴐxᴐ | Wozãnɛ Zi geɖe Na |
|---|---|---|---|
| Bits le sɛkɛnd ɖeka me | bps | Base unit | Mɔ̃ɖaŋununya ƒe nɔnɔmewo |
| Kilobit le sɛkɛnd ɖeka me | Kbps | 1,000 ƒe bps | Odio ƒe nuŋɔŋlɔ, video si ƒe lolome mede o |
| Megabit le sɛkɛnd ɖeka me | Mbps | 1,000,000 ƒe bps | Video ƒe nuŋɔŋlɔ si wozãna ɖaa |
| Gigabits le sɛkɛnd ɖeka me | Gbps | 1,000,000,000 ƒe bps | Video si womeƒo ƒu o, si woɖena ɖe go deŋgɔ |
Bitrate yi Fail ƒe Agbɔsɔsɔme ƒe Trɔtrɔ
Be nàbu faɛl ƒe lolome tso bitrate me la, zã mɔfiame sia:
Le kpɔɖeŋu me, video si axɔ miniti 10 si ƒe ŋusẽ nye 5 Mbps la anɔ abe:
Bitrates Siwo Wokafu To Nuƒolanɔƒe
Nudidi kple kafukafu vovovowo le mɔ̃ vovovowo ŋu hena videoa ɖoɖo ɖe amewo nyuie wu. Nyatakakadzraɖoƒe gãwo kple hadomenyatakakadzraɖoƒewo tsɔtsɔ sɔ kple wo nɔewo bliboe nye esi:
YouTube ƒe Bitrates si Wokafu
YouTube wɔa wò videoa ƒe tɔtrɔ vovovowo le eɖokui si le nyonyome ƒe ɖoɖo vovovowo me, gake ne èdae ɖe Internet dzi le bitrate si lolo wu me la, ekpɔa egbɔ be eƒe nyonyome nyuitɔ kekeake le ekpɔlawo si.
| Nuɖoɖo | Frame ƒe agbɔsɔsɔme si wozãna ɖaa (24-30 FPS) . | Frame ƒe Agbɔsɔsɔme Kɔkɔ (48-60 FPS) . | Codec si wokafu |
|---|---|---|---|
| 2160p (4K) ƒe . | 35-45 Mbps ƒe ʋuʋudedi | 53-68 Mbps ƒe ʋuʋudedi | H.264, VP9, AV1 ƒe lãmesẽnyawo gbɔ kpɔkpɔ |
| 1440p (2K) ƒe . | 16-24 Mbps ƒe ʋuʋudedi | 24-36 Mbps ƒe ʋuʋudedi | H.264, VP9, kple VP9 |
| 1080p (HD blibo) . | 8-12 Mbps ƒe ʋuʋudedi | 12-18 Mbps ƒe ʋuʋudedi | H.264 |
| 720p (HD) ƒe nɔnɔmetata | 5-7.5 Mbps ƒe ʋuʋudedi | 7.5-11 Mbps ƒe ʋuʋudedi | H.264 |
| 480p (SD) ƒe . | 2.5-4 Mbps ƒe ʋuʋudedi | 4-6 Mbps ƒe ʋuʋudedi | H.264 |
| 360p | 1-1.5 Mbps ƒe ʋuʋudedi | 1.5-2.25 Mbps ƒe ʋuʋudedi | H.264 |
YouTube ƒe Aɖaŋuɖoɖowo
- YouTube wɔa eya ŋutɔ ƒe transcoding, eyata source file si le nyonyome nyuitɔ kekeake nana le vevie ŋutɔ.
- Le HDR me nyawo gome la, zã BT.2020 ƒe amadede ƒe teƒe kple 10-bit alo esi wu nenema ƒe goglome.
- YouTube kafui be nàzã H.264 High Profile na nyatakaka siwo wozãna ɖaa kple VP9 na nyatakaka siwo ƒe lolome de ŋgɔ wu.
- Ele be odio nanye AAC-LC le 128 kbps na stereo alo 384 kbps na 5.1 surround.
- YouTube wɔa videowo ŋudɔ nyuie wu ne ele sɛkɛnd 2 ƒe keyframe dometsotsowo zãm.
Twitch Bitrates Si Wokafu
Twitch ƒe bitrate ƒe seɖoƒe tɔxɛwo le esi na zɔhɛ ƒe ɖoƒe vovovowo. Kafukafunya siawo kpena ɖe ŋuwò be wò tɔsisi la li ke eye nukpɔla siwo si kadodo ƒe duƒuƒu vovovowo le ate ŋu akpɔe.
| Nuɖoɖo | 30 FPS ƒe ɣeyiɣia | 60 FPS ƒe ʋuʋu | De dzesii |
|---|---|---|---|
| 1080p | 4.5-6 Mbps ƒe ʋuʋudedi | 6-8 Mbps ƒe ʋuʋudedi | Wokafui na Dɔwɔhatiwo/Amesiwo Do Ƒome Kplii |
| 720p | 3-4.5 Mbps ƒe ʋuʋudedi | 4.5-6 Mbps ƒe ʋuʋudedi | Wokafui na streamers akpa gãtɔ |
| 480p | 1.5-3 Mbps ƒe ʋuʋudedi | 3-4.5 Mbps ƒe ʋuʋudedi | Le upload bandwidth si seɖoƒe li na ta |
Twitch ƒe Dɔwɔwɔ Nyuie ƒe Aɖaŋuɖoɖowo
- Twitch ƒe hard cap nye 8 Mbps metsɔ le wò zɔhɛ ƒe nɔnɔme me o.
- Ele be odio nanye AAC le 128-160 kbps hena eƒe nyonyome nyuitɔ kple eƒe ɖekawɔwɔ.
- Zã “Main” profile na H.264 encoding kple “medium” vaseɖe “faster” CPU preset hena dadasɔ nyui.
- Ne menye Habɔbɔ alo Dɔwɔhatie nènye o la, bu eŋu kpɔ be yeaɖe 720p60 hena nukpɔla ƒe nuteƒekpɔkpɔ nyuitɔ kekeake.
- Bu wò nukpɔlawo ƒe bandwidth ŋu – menye amesiamee ateŋu akpɔ high-bitrate streams buffering manɔmee o.
Facebook ƒe Bitrates si Wokafu
Facebook Live kple Facebook Video ƒe aɖaŋuɖoɖo vovovowo le wo si be nàkpɔ egbɔ be wò nyatakakawo ɖo ame geɖe gbɔ esime wole nyonyome nyui me tom.
| Nuɖoɖo | Live Streaming | Videowo Dada ɖe Internet Dzi | De dzesii |
|---|---|---|---|
| 1080p | 4-6 Mbps ƒe ʋuʋudedi | 8-12 Mbps ƒe ʋuʋudedi | Nyametsotso si sɔ gbɔ wu na FB Live |
| 720p | 2.5-4 Mbps ƒe ʋuʋudedi | 4-8 Mbps ƒe ʋuʋudedi | Wokafui na ezãla akpa gãtɔ |
| 480p | 1-2.5 Mbps ƒe ʋuʋudedi | 2-4 Mbps ƒe ʋuʋudedi | Le bandwidth si seɖoƒe li na ta |
| 360p | 0.5-1 Mbps ƒe ʋuʋudedi | 1-2 Mbps ƒe ʋuʋudedi | Tiatia si sɔ na asitelefon |
Facebook ƒe Dɔwɔwɔ Nyuie ƒe Aɖaŋuɖoɖowo
- Facebook kafui be bitrate si sɔ gbɔ wu nanye 4 Mbps na live streaming si wozãna ɖaa.
- Le video siwo woda ɖe Internet dzi gome la, Facebook xɔa faɛl siwo ade 10 Gbps eye wòatrɔ wo.
- Facebook wɔa dɔ nyuie wu kple H.264 codec, High profile, kple sɛkɛnd 2 ƒe keyframe dometsotsowo.
- Ele be odio nanye AAC le 96-128 kbps na live eye 128-256 kbps na upload.
- Facebook agbugbɔ awɔ wò nyatakakawo ƒe kɔpi, eyata anyo wu be nàna dzɔtsoƒe faɛl si le nyonyome nyuitɔ kekeake.
Vimeo Bitrates si Wokafu
Wonya Vimeo ɖe video deŋgɔ ta eye wòɖoa aɖaŋu tɔxɛ siwo wotu ɖe wò nyatakakawo ƒe ƒomevi kple taɖodzinu ƒe nyonyome dzi.
| Nuɖoɖo | Dzesidede ƒe Nyonyome | Premium Quality | Codec si wokafu |
|---|---|---|---|
| 4K (2160p) ƒe nɔnɔmetata | 30-60 Mbps ƒe ʋuʋudedi | 40-80 Mbps ƒe ʋuʋudedi | H.264, si nye ProRes |
| 2K (ƒe 1440 ƒe axadzi) | 16-24 Mbps ƒe ʋuʋudedi | 20-30 Mbps ƒe ʋuʋudedi | H.264, si nye ProRes |
| 1080p | 10-20 Mbps ƒe ʋuʋudedi | 15-25 Mbps ƒe ʋuʋudedi | H.264 |
| 720p | 5-10 Mbps ƒe ʋuʋudedi | 8-12 Mbps ƒe ʋuʋudedi | H.264 |
| SD (480p) ƒe . | 3-5 Mbps ƒe ʋuʋudedi | 5-8 Mbps ƒe ʋuʋudedi | H.264 |
Vimeo ƒe Aɖaŋuɖoɖowo
- Vimeo xɔa bitrates siwo lolo wu platform geɖe, si wɔnɛ be woate ŋu atsɔ dɔnyala ƒe nyonyome aɖo ɖe Internet dzi.
- Ne èdi be yeakpɔ emetsonu nyuitɔ la, zã H.264 kple High profile alo ProRes 422 na 4K me nyawo.
- Vimeo xɔa amadede ƒe goglome 10-bit eye wòdzraa eta na HDR me nyawo.
- Ele be odio nanye AAC le 320 kbps na stereo alo vaseɖe 512 kbps na surround gbeɖiɖi.
- Vimeo Plus, Pro, kple Business ƒe akɔntabubuwo ƒe seɖoƒewo to vovo na wo tsɔtsɔ yi Internet dzi kple woƒe nyonyome ƒe tiatia.
Instagram Kafu Bitrates
Instagram ƒe nudidi tɔxɛwo le video ƒe nɔnɔme vovovowo ŋu siwo dometɔ aɖewoe nye Ŋutinyawo, Reels, IGTV, kple nya siwo woŋlɔna ɖaa.
| Format | Nuɖoɖo | Bitrate si wokafu | Didime Kɔkɔtɔ Kekeake |
|---|---|---|---|
| Instagram Ŋutinyawo | 1080×1920 (9:16) | 3-5 Mbps ƒe ʋuʋudedi | sɛkɛnd 15 sɔŋ |
| Instagram ƒe Nyatakakadzraɖoƒe | 1080×1080 (1:1) | 5-8 Mbps ƒe ʋuʋudedi | sɛkɛnd 60 sɔŋ |
| Instagram ƒe agbalẽviwo | 1080×1920 (9:16) | 5-8 Mbps ƒe ʋuʋudedi | sɛkɛnd 30 sɔŋ |
| IGTV dzi | 1080×1920 (9:16) | 8-10 Mbps ƒe ʋuʋudedi | Aɖabaƒoƒo 60 sɔŋ |
Instagram ƒe Dɔwɔwɔ Nyuie ƒe Aɖaŋuɖoɖowo
- Instagram ƒoa videowo nu ƒu vevie, eyata gɔmedzedze tso dzɔtsoƒe si ƒe nyonyome de ŋgɔ wu dzi kpena ɖe ame ŋu be woakpɔ nyatakaka tsitotsito ta.
- Zã H.264 codec eye nàɖo wò keyframe dometsotso ɖe sɛkɛnd 1-2 ɖesiaɖe.
- Ele be odio nanye AAC le 128 kbps hena nyonyome nyuitɔ kekeake le Instagram ƒe dɔwɔwɔ vɔ megbe.
- Le Ŋutinyawo kple Reels gome la, 9:16 ƒe nɔnɔme si le tsitrenu wɔa dɔ nyuie wu ne wotsɔ lɛtaɖaka sue aɖe ko.
- Instagram lɔ̃a video siwo me kɔ, siwo me dzo le siwo me vovototo nyui le hena nuwɔwɔ nyuie wu.
TikTok ƒe Bitrates Siwo Wokafu
Wotrɔ asi le TikTok ŋu nyuie na asitelefon dzi nukpɔkpɔ kple nɔnɔme tɔxɛ ƒe nudidiwo be woakpɔ egbɔ be wò nyatakakawo dze nyuie le mɔ̃a dzi.
| Nuɖoɖo | Aspect Ratio ƒe xexlẽme | Bitrate si wokafu | Didime Kɔkɔtɔ Kekeake |
|---|---|---|---|
| 1080×1920 | 9:16 (Tsitrenu) . | 8-12 Mbps ƒe ʋuʋudedi | Aɖabaƒoƒo 3 (si sɔ) . |
| 1080×1920 | 9:16 (Tsitrenu) . | 10-15 Mbps ƒe ʋuʋudedi | Aɖabaƒoƒo 10 (wokekee ɖe enu) . |
| 1080×1080 | 1:1 (Kɔkɔe) . | 6-10 Mbps ƒe ʋuʋudedi | Aɖabaƒoƒo 3 sɔŋ |
| 1920×1080 | 16:9 (Ame le tsia dzi) . | 8-12 Mbps ƒe ʋuʋudedi | Aɖabaƒoƒo 3 sɔŋ |
TikTok ƒe Dɔwɔwɔ Nyuie ƒe Aɖaŋuɖoɖowo
- TikTok wɔa dɔ nyuie wu ne woɖe foto siwo me kɔ, siwo me kɔ siwo wowɔ wòsɔ nyuie na asitelefon dzi nukpɔkpɔ.
- 9:16 video ƒe nɔnɔme si le tsitrenu la naa nukpɔkpɔ nyuitɔ kekeake le nuƒolanɔƒea.
- H.264 ƒe nuŋɔŋlɔ kple bitrate si lolo kpena ɖe ame ŋu be woakpɔ nyonyome ta to TikTok ƒe nutete me.
- Odio le vevie ŋutɔ le TikTok dzi – zã odio si me kɔ le 128-256 kbps.
- TikTok ƒe algorithm lɔ̃a video siwo ƒe mɔ̃ɖaŋununya ƒe nyonyome nyo eye woƒe nukpɔkpɔwo me kɔ.
Ale Si Nàzã Bitrate Akɔntabubumɔ̃
Ŋlɔ Wò Nyadzɔdzɔgblɔmɔnuwo Ŋuti Nyatakakawo
Dze egɔme kple tiatia si nèdi be yeakpɔ eƒe lolome, frame rate, content type, kple target platform. Parameter vevi siawo kpena ɖe mía ŋu míenya bitrate ƒe didime nyuitɔ kekeake na wò hiahiã tɔxɛwo. Wɔ nu pɛpɛpɛ alesi nàte ŋui hena aɖaŋuɖoɖo siwo de pɛpɛpɛ wu.
Tsɔ Mɔ̃ɖaŋununya ƒe Nɔnɔmewo Tsɔe
Tia video codec (H.264, H.265/HEVC, VP9, AV1) kple odio ƒe nyonyome ƒe ɖoɖowo si nèlɔ̃ wu. Zãla deŋgɔwo ateŋu agblɔ parameter bubuwo hã abe HDR content type kple optimization preferences hena akɔntabubu siwo de pɛpɛpɛ wu.
Bu akɔnta le Bitrate Nyuitɔ Ŋu
Zi “Calculate Optimal Bitrate” ƒe dzesi dzi be nàwɔ aɖaŋuɖoɖo siwo sɔ na wò ŋutɔ. Míaƒe algorithm la dzroa parameters katã me eye wònaa bitrate ƒe asixɔxɔ siwo wobu le dzɔdzɔmeŋutinunya me siwo da sɔ le nyonyome kple faɛl ƒe lolome me na wò nyatakaka tɔxɛwo.
Dzro Aɖaŋuɖoɖowo Me
Dzro emetsonuwo me tsitotsito, siwo dometɔ aɖewoe nye video kple odio ƒe bitrate siwo wokafu, faɛl ƒe lolome siwo wobu, kple mɔ̃ɖaŋununya ŋuti aɖaŋuɖoɖo siwo ku ɖe mɔ̃a dzi. Míenaa tiatia nyui geɖewo ale be nàte ŋu atia nusi awɔ dɔ nyuie wu na wò nɔnɔme tɔxɛa.
Wɔ Ðoɖowo Ŋudɔ le Wò Kɔmpiutadziɖoɖowo Me
Zã míaƒe aɖaŋuɖoɖowo ne èle wò encoding software (OBS, Premiere Pro, DaVinci Resolve, Handbrake, kple bubuawo) ɖom. Wɔ bitrate, codec ƒe ɖoɖo siwo wodo ɖa, kple nɔnɔme bubuwo ŋudɔ be nàkpɔ nyonyome nyuitɔ kekeake na wò nyadzɔdzɔgblɔmɔnuwo me nyawo.
Nya Siwo Wobia Enuenu
Nukae nye bitrate nyuitɔ kekeake na 1080p video?
Le 1080p (1920×1080) video le 30fps, bitrate nyuitɔ zi geɖe tso 8-12 Mbps na standard content to H.264 encoding zazã. Ne èdi nyatakaka siwo me ŋusẽ le wu abe kamedefefe alo nuwɔna ƒe nukpɔkpɔwo ene la, àte ŋu ahiã 12-15 Mbps. Ne èle 60fps zãm la, dzi asixɔxɔ siawo ɖe edzi abe 50% ene. Codec siwo wɔa dɔ nyuie wu abe H.265/HEVC alo AV1 ene ateŋu aɖo nyonyome ma tɔgbe gbɔ le 30-50% ƒe bitrates siwo bɔbɔ wu me. Wò nudidi tɔxɛwo ate ŋu ato vovo le nyatakakawo ƒe sesẽ kple taɖodzinu ƒe mɔnu nu.
Aleke bitrate kpɔa ŋusẽ ɖe faɛl ƒe lolome dzii?
Bitrate tsɔa mɔfiame bɔbɔe aɖe dea dzesi faɛl ƒe lolome tẽ: Faɛl ƒe lolome (MB) = Bitrate (Mbps) × Ɣeyiɣi didime (sɛkɛnd) ÷ 8. Le kpɔɖeŋu me, aɖabaƒoƒo 10 ƒe video si woŋlɔ ɖe 10 Mbps dzi ana faɛl ƒe lolome anɔ abe 750 MB ene (10 Mbps × sɛkɛnd 600 ÷ 8). Bitrates siwo kɔ wu hea faɛl gãwo vɛ gake zi geɖe la, eganyoa eƒe nyonyome hã ŋu. Dadasɔ nyuitɔ didi nɔ te ɖe wò nyonyome ƒe nudidiwo kple nudzraɖoƒe/bandwidth ƒe mɔxenuwo dzi.
Nukatae streaming bia bitrate vovovowo wu downloads?
Streaming kple nusiwo woateŋu awɔ kɔpi na ƒe bitrate ƒe nudidi vovovowo le esi koŋ le bandwidth ƒe mɔxenuwo ta. Streaming bia be woaɖoe ɖe amewo le ɣeyiɣi ŋutɔŋutɔ me, eyata ele be bitrate la nanɔ anyi ɖaa kple nukpɔla ƒe internet kadodo be woaƒo asa na buffering. Streming platform akpa gãtɔ kafui be woaɖe bitrates siwo bɔbɔ ɖe anyi wu be woakpɔ egbɔ be nyasela geɖe ate ŋu akpɔe. Gake nyatakaka siwo woɖe ɖe kɔmpiuta dzi la mexea mɔ na wo ɖoɖo ɖe wo le ɣeyiɣi ŋutɔŋutɔ me o, si wɔnɛ be woate ŋu awɔ bitrates kple nyonyome si lolo wu. Tsɔ kpe ɖe eŋu la, zi geɖe la, streaming platforms wɔa woawo ŋutɔ ƒe transcoding tsɔ wɔa quality level geɖewo, eyata source file si ƒe nyonyome deŋgɔ nana le vevie ne end-user ateŋu awɔ stream le bitrate si bɔbɔ wu gɔ̃ hã.
Vovototo kae le CBR, VBR, kple CRF encoding dome?
Esiawo nye rate control mode vovovo siwo dea dzesi alesi woama bitrate:
- CBR (Bit ƒe agbɔsɔsɔme si nɔa anyi ɖaa): Eléa bitrate ɖeka me ɖe asi le video bliboa katã me, eɖanye aleke kee wòsesẽ o. Esia nyo ŋutɔ na streaming afisi bandwidth consistency le vevie gake ateŋu anye esi mewɔa dɔ nyuie na variable content.
- VBR (Tɔtrɔ ƒe Bit ƒe Agbɔsɔsɔ): Enaa bitrate siwo kɔ wu na nukpɔkpɔ sesẽwo eye wòmaa bitrate siwo bɔbɔ ɖe anyi wu ɖe nukpɔkpɔ bɔbɔewo ŋu. Esia naa nyonyome nyo wu le bitrate mamã dedie nu ne wotsɔe sɔ kple CBR, si wɔe be wòsɔ nyuie na nyatakaka siwo woɖe ɖe go.
- CRF (Amewo ƒe Agbɔsɔsɔme si Wozãna Madzudzɔmadzudzɔe): Eléa nyonyome si mewɔa tɔtrɔ o me ɖe asi tsɔ wu bitrate, si wɔnɛ be encoder la zãa bitrate ɖesiaɖe si hiã be wòalé nyonyome ƒe ɖoɖo si woɖo ɖi la me ɖe asi. Esia nyo ŋutɔ na nudzraɖoƒe kple nɔnɔme siwo me wotsɔa nyonyome ɖoa nɔƒe gbãtɔ wu faɛl ƒe lolome ƒe nyagblɔɖi.
Le streaming gome la, wokafua CBR alo capped VBR zi geɖe. Le video siwo woɖe ɖe go gome la, zi geɖe la, VBR alo CRF naa wowɔa dɔ nyuie wu.
Aleke codec yeyewo abe H.265/HEVC kple AV1 ene sɔ kple H.264?
Codec yeyewo naa dɔwɔwɔ ƒe nyonyome nyona ɖe edzi ŋutɔ wu H.264 si wozãna le afisiafi:
- H.265/HEVC: Ƒe 1999 me. Eɖoa nɔnɔme si sɔ kple H.264 gbɔ le bitrates siwo bɔbɔ ɖe anyi abe 40-50% ene me, gake ebia dɔwɔwɔ ƒe ŋusẽ geɖe wu be woatsɔ awɔ encode kple decode. Wodo alɔe geɖe le mɔ̃ yeyewo me eye wòsɔ nyuie na 4K nyatakakawo.
- AV1: . Ewɔa dɔ nyuie wu HEVC gɔ̃ hã, enaa nyonyome ma tɔgbe le 20-30% ƒe bitrates si bɔbɔ wu HEVC (alo 50-60% si bɔbɔ wu H.264). Ke hã, AV1 encoding nye processor-intensive ŋutɔ fifia, togbɔ be decoder ƒe kpekpeɖeŋu le dzidzim ɖe edzi kabakaba hã.
- VP9: . Google ƒe hoʋlila na HEVC, si na dɔwɔwɔ ƒe ŋgɔyiyi ma tɔgbe wu H.264 kple browser ƒe kpekpeɖeŋu nyuitɔ wu HEVC gake hardware ƒe ablaɖeɖe sue aɖe.
Ne èle codec tiam la, bu alesi wòsɔ kple wò taɖodzinu mɔ̃wo/mɔ̃wo, encoding ɣeyiɣi ƒe seɖoƒewo, kple nyonyome/lolome ƒe nudidiwo ŋu. H.264 gakpɔtɔ nye tiatia si sɔ wu, gake codec yeyewo ya naa dɔwɔwɔ nyuie wu le esi wogblẽa nu le eŋudɔwɔwɔ alo encoding ƒe duƒuƒu ta.
Nukae le vevie wu na nyonyome: resolution alo bitrate?
Resolution kple bitrate siaa kpɔa ŋusẽ ɖe video ƒe nyonyome dzi ŋutɔ, gake woƒe vevienyenye toa vovo le nya siwo ƒo xlãe nu:
Nuɖoɖo dea dzesi piksel ƒe xexlẽme le fotoɖemɔ̃ ɖesiaɖe me, si kpɔa ŋusẽ ɖe nyatakaka tsitotsito ƒe ŋutete kple eƒe ɖaɖɛ dzi. Gake ne bitrate la le sue akpa na resolution la, àkpɔ compression artifacts siwo agbe viɖe siwo le resolution si lolo wu me.
Bitrate ƒe nuɖuɖu dea dzesi nyatakaka agbɔsɔsɔme si woazã atsɔ aŋlɔ video ƒe sɛkɛnd ɖesiaɖe ƒe kɔpi, si kpɔa ŋusẽ ɖe alesi woate ŋu akpɔ nyatakaka tsitotsito kple ʋuʋu ta nyuie dzi tẽ. Zi geɖe la, bitrate si kɔkɔ wu le resolution si bɔbɔ wu me dzena nyuie wu resolution si lolo wu si ƒe bitrate mesɔ gbɔ o.
Mɔnu nyuitɔe nye be nàda asɔ le evea siaa me le wò nyawo nu. Ne èdi nukpɔkpɔ siwo me kɔ, siwo gɔme sese sesẽ la, tsɔ bitrate si sɔ ɖo nɔƒe gbãtɔ na wò nyametsotso si nètia. Le nyatakaka bɔbɔewo abe nukpɔkpɔwo alo nɔnɔmetata siwo me woɖea nu le ene gome la, eƒe vovototodedeameme ate ŋu anɔ vevie wu bitrate siwo kɔkɔ ŋutɔ. Míaƒe akɔntabubumɔ̃a ɖo aɖaŋu be nàwɔ ɖoɖo siwo da sɔ siwo ana nu eveawo siaa nanyo ɖe edzi na wò nyatakaka ƒomevi tɔxɛa.
Bitrate ƒe Nukpɔsusu Deŋgɔwo
Susu kple Nukpɔkpɔ ƒe Dɔwɔna Nyuitɔ
Egbegbe video codec zãa susu kple nukpɔkpɔ ƒe kpɔɖeŋuwo tsɔ naa nyonyome si wosusuna la nyona ɖe edzi to nyatakaka geɖe mama na nu vevi siwo wokpɔna le nukpɔkpɔ me esime wole nyatakaka siwo medzena tututu o la tem ɖe anyi. Gɔmeɖose siawo gɔmesese ate ŋu akpe ɖe ŋuwò nàwɔ nyametsotso nyuiwo le encoding ŋu:
Nukpɔsusu ƒe Nutsyɔtsyɔ
Amegbetɔ ƒe nukpɔkpɔ ƒe ŋutete mesea toɣliɖeɖe gɔme boo le teƒe siwo ʋuʋu le alo nuto siwo me woŋlɔ nu ɖo ŋutɔ o. Codecwo wɔa esia ŋudɔ to nutete geɖe wɔwɔ ɖe teƒe siawo me evɔ womede dzesii be woƒe nyonyome mebu o.
Luma kple Chroma ƒe Nyametsotso
Amegbetɔwo sea nu gɔme na keklẽ (luma) ƒe tɔtrɔ wu amadede (chroma) ƒe tɔtrɔ. Codec akpa gãtɔ zãa chroma subsampling (4:2:0) tsɔ ɖea amadede ƒe vovototo dzi kpɔtɔna esime woléa keklẽ ƒe vovototo bliboa me ɖe asi, si ɖea bitrate dzi kpɔtɔna ŋutɔ eye wòkpɔa ŋusẽ sue aɖe ko.
Rate-Distortion ƒe Dɔwɔna Nyuitɔ
Encoder deŋgɔwo wɔa nyametsotso akpe geɖe le alesi woama bits ŋu to akɔntabubu le nukpɔkpɔ ƒe ŋusẽkpɔɖeamedzi ŋu tsɔ wu bitrate ƒe gazazã me. Algorithm siawo nyo ɖe edzi ŋutɔ le codec dzidzime siwo va nyitsɔ laa me, si na be woƒe nyonyome nyo wu le bitrate ma ke me.
Encoding si Nya Emenyawo
Egbegbe encoding solutions dzroa wò nyatakakawo me be woatrɔ asi le bitrate ŋu le mɔ si trɔna nu le nusiwo sesẽ nu. Nukpɔkpɔ bɔbɔewo xɔa bit ʋɛ aɖewo gake nukpɔkpɔ sesẽwo ya xɔa geɖe, si wɔnɛ be wokpɔa nyonyome si wosusuna ɣesiaɣi eye bitrate le mama dedie nu le sue wu.
Encoding Parameters Deŋgɔwo
Le bitrate ƒe ɖoɖo veviwo godo la, nɔnɔme deŋgɔ siawo ate ŋu akpɔ ŋusẽ ɖe wò encoding ƒe nyonyome kple dɔwɔwɔ nyuie dzi vevie:
| Parameter (Parameter) ƒe nɔnɔmetata | Nuɖᴐɖᴐ | Ðoɖo Siwo Wokafu |
|---|---|---|
| Profile Level ƒe Dzidzenu | Eɖea nusiwo sesẽ ƒe mɔxenuwo kple nɔnɔme siwo codec zãna la gɔme | H.264: High Profile na nyonyome nyuitɔ kekeake, Main na ɖekawɔwɔ HEVC: Main 10 na HDR, Main na dzidzenu |
| Numekugbalẽwo | Frame xexlẽme si encoder ate ŋu ayɔ ne ele nu ƒom | 3-5 na streaming, 5-8 na quality deŋgɔtɔ kekeake |
| B-framewo ƒe nɔnɔmetatawo | Bidirectional predicted frames siwo fiaa frame siwo va yi kple esiwo ava va siaa | 2-3 na nyatakaka siwo wozãna ɖaa, 3-5 na sinima |
| Kpɔ ŋgɔ | Aleke gbegbee encoder la kua nu me yia ŋgɔe be yeawɔ nyametsotsowo | 40-100 frames na VBR encoding, asixɔxɔ kɔkɔwo naa nyonyome nyona ɖe edzi |
| Agbɔsɔsɔme Siwo Trɔna Ðe Nɔnɔme Ŋu | Trɔa quantization dynamically le nukpɔkpɔ ƒe vevienyenye nu | Nawɔ dɔ eye nàɖoe ɖe “auto” alo esi sɔ kplii le wò encoder me |
| Tune | Ðo ɖoɖowɔɖi siwo naa encoding nyona ɖe edzi na nyatakaka ƒomevi aɖewo koŋ | “Film” na sinimawo, “Animation” na cartoons, “Grain” na film nukuwo takpɔkpɔ |
Togbɔ be ɖoɖo deŋgɔ siawo ate ŋu ana woƒe nyonyome nanyo ɖe edzi ŋutɔ hã la, zi geɖe la, wodzia ɣeyiɣi si wotsɔ ŋlɔa nyawo ɖe kɔpi me ɖe edzi. Be nàkpɔ emetsonu nyuitɔwo la, do wò nyatakaka tɔxɛwo kpɔ nyuie kple parameter ƒe ƒuƒoƒo vovovowo. Encoder geɖewo dea presets abe “slower” alo “veryslow” siwo zãa optimization si de to wu le wo ɖokui si.
Ŋusẽkpɔɖeamedzi si Bitrate Kpɔna Ðe Nyadzɔdzɔgblɔmɔnuwo ƒe Nyonyome Kple Wo Ðoɖo Ðe Wo Ŋu Dzi
Le dijitaal nyadzɔdzɔgblɔmɔnuwo ƒe nɔnɔme me la, bitrate tsi tre abe nu vevitɔ si dea dzesi wò nyatakakawo ƒe nukpɔkpɔ/odio ƒe nyonyome kple mɔ̃ɖaŋununya ƒe nudidi siwo hiã hena wo tsɔtsɔ yi na amewo siaa. Eɖanye nyatakakawo wɔla, nyatakakawo tsɔtsɔ yi teƒeteƒewo ŋuti nunyala, alo nyadzɔdzɔgblɔmɔnuwo lɔ̃lae nènye o, bitrate ƒe akpa si wòwɔna gɔmesese le vevie ŋutɔ be nàte ŋu awɔ nyatakaka nyuitɔwo kekeake.
Bitrate, si wodzidzena le bits per second (bps) me, tsi tre ɖi na nyatakaka agbɔsɔsɔme si ŋu wotrɔ asi le alo tsɔ yi teƒe bubu le ɣeyiɣi ɖeka me. Le video me nyawo gome la, zi geɖe la, bitrate siwo kɔ wu wɔnɛ be nukpɔkpɔ ƒe nyonyome nyo wu elabena nyatakaka geɖe li woatsɔ atsi tre ɖi na nyatakaka tsitotsito, amadede ŋuti nyatakakawo, kple ʋuʋu. Gake bitrate siwo lolo wu hã hea faɛl ƒe lolome gãwo vɛ eye bandwidth ƒe hiahiãwo dzina ɖe edzi, si wɔnɛ be asitsatsa vevi aɖe nɔa nyonyome kple nunɔamesiwo zazã nyuie dome.
Dzɔdzɔmeŋusẽ kple Agbɔsɔsɔme ƒe Dadasɔ
Ƒomedodo si le bitrate kple nɔnɔme si wosusu dome la menye linear o. Bitrate ƒe dzidziɖedzi zi gbɔ zi eve mefia be nɔnɔme si wosusu be ele la dzina ɖe edzi zi gbɔ zi eve kokoko o. Afi siae “nyonyo ƒe dzisasrã” ƒe nukpɔsusu va le vevie le – afisi bitrate dzi ɖeɖe kpɔtɔ gahea viɖe siwo dzi ɖena kpɔtɔna le nyonyome ƒe ŋgɔyiyi siwo wokpɔna me. Míaƒe Media Bitrate Akɔntabubumɔ̃ kpena ɖe ame ŋu wòdea dzesi dometsotso nyuitɔ sia le afisiwo nyonyome dzina ɖe edzi le evɔ womagblẽ nunɔamesiwo dome o.
Nusiwo le eme ƒomevi vovovowo ƒe bitrate ƒe nudidiwo to vovo kura. Nusiwo le teƒe ɖeka kple ʋuʋu suetɔ kekeake (abe gbebiamewo alo nuƒoƒo ene) ate ŋu akpɔ nyonyome nyuitɔ kekeake le bitrates siwo bɔbɔ vie me. To vovo na ema la, nyatakaka siwo me kɔ, siwo zɔna kabakaba, siwo ƒe nɔnɔmewo le tsitotsito (abe kamedefefewo alo nuwɔna siwo kplɔ wo nɔewo ɖo ene) bia be woaɖu nu geɖe ŋutɔ be woalé nyonyome ƒe seƒe si wosusu be ele nenema ke me ɖe asi. Wò nyatakakawo ƒe sesẽ gɔmesese le vevie ŋutɔ na bitrate mama nyuie.
Nuƒolanɔƒe ƒe Dɔwɔwɔ Nyuie
Mama ƒe mɔnu ɖesiaɖe wɔa dɔwɔwɔ ƒe mɔ̃ tɔxɛwo kple nutete ƒe mɔnuwo ŋudɔ. YouTube, Twitch, Facebook, kple dɔwɔƒe bubuwo dometɔ ɖesiaɖe zãa woawo ŋutɔ ƒe transcoding kple delivery mɔnuwo, si fia be source bitrates nyuitɔwo toa vovo le platform ɖesiaɖe nu. Le kpɔɖeŋu me, YouTube ƒe aɖaŋuɖoɖo na 4K nyatakakawo (35-45 Mbps na 30fps) to vovo tso Twitch ƒe bitrate si ŋu woɖe mɔ ɖo si nye 8 Mbps gbɔ. Míaƒe akɔntabubumɔ̃a naa aɖaŋuɖoɖo siwo ku ɖe mɔ̃a dzi koŋ be míakpɔ egbɔ be wò nyatakakawo wɔ dɔ nyuie wu le subɔsubɔdɔ si nètia la me.
Encoding codec hã kpɔa ŋusẽ ɖe bitrate si hiã dzi vevie. Codec yeyewo abe H.265/HEVC kple AV1 ɖoa nyonyome si sɔ gbɔ le bitrates siwo bɔbɔ ŋutɔ me ne wotsɔe sɔ kple H.264. Le kpɔɖeŋu me, zi geɖe la, H.265 hiãa nyatakaka siwo mede 40-50% o wu H.264 na nukpɔkpɔ ƒe nyonyome ma ke. Ne èle taɖodzinu ɖom ɖe mɔ̃ siwo doa alɔ codec deŋgɔ siawo ŋu la, àte ŋu alé nyonyome deŋgɔ me ɖe asi esime nèle faɛl ƒe lolome kple bandwidth ƒe nudidiwo dzi ɖem kpɔtɔ ŋutɔ.
Etsɔme ƒe Nɔnɔmewo le Bitrate Optimization me
Nyadzɔdzɔgblɔmɔnuwo ƒe mɔ̃ɖaŋununya ƒe nɔnɔme yi edzi le tɔtrɔm esi mɔ̃wo ƒe nusɔsrɔ̃ si wodo ŋusẽe ƒe nuŋɔŋlɔwo va le vevie dom nu. Mɔnu siawo siwo AI ʋãna la kua emenyawo ƒe nɔnɔmewo me be woatsɔ awɔ nutetemɔnu nyuitɔwo ŋudɔ le mɔ si trɔna nu. Content-adaptive encoding ɖea mɔ na bitrate zazã nyuie wu gɔ̃ hã to nyatakaka geɖe mama ɖe nukpɔkpɔ sesẽwo me eye ʋɛ wu ɖe frame bɔbɔewo me, si wɔnɛ be wokpɔa nyonyome si wosusu be mewɔa tɔtrɔ o kple bitrate siwo bɔbɔ ɖe anyi wu le mama dedie nu.
Le nyatakakawo wɔlawo gome la, bitrate nyuitɔ didi meganye aɖaŋuɖoɖo siwo wozãna le mɔ gbadza nu dzi wɔwɔ ƒe nya o ke boŋ wò nyatakakawo, taɖodzinu ƒe mɔnuwo, kple nyaselawo ƒe mɔxenuwo ƒe nudidi tɔxɛwo gɔmesese. Míaƒe Media Bitrate Calculator naa nyametsotsowɔwɔ ƒe ɖoɖo sesẽ sia nɔa bɔbɔe to aɖaŋuɖoɖo siwo wowɔ ɖe ɖoɖo nu, siwo woɖe tso dzɔdzɔmeŋutinunya me, siwo wotu ɖe wò nɔnɔme tɔxɛwo dzi nana me.
Esi internet ƒe duƒuƒu le dzidzim ɖe edzi le xexeame katã la, bitrate siwo kɔkɔ wu va nɔa bɔbɔe na streaming. Gake dɔwɔwɔ nyuie gakpɔtɔ nye nu vevitɔ kekeake, vevietɔ na asitelefon dzi nukpɔlawo kple nuto siwo me mɔ̃a ƒe didime mede o. Nyatakakawo ƒe mɔnu siwo kpɔ dzidzedze wu la daa asɔ le nyonyome ƒe nudidiwo kple alesi woate ŋu akpɔ wo ŋu bubu me, si kpɔa egbɔ be wò nyatakakawo ɖo nyasela gbogbotɔ gbɔ evɔ màgblẽ nu le nukpɔkpɔ ƒe ŋusẽkpɔɖeamedzi ŋu o.