Compress koj cov lus tsa suab: Codecs, Ntim, Wrappers & Video formats
tej cov zaj duab xis los yog yees duab yog ib tug ua ke ntawm ib tug thiab zeros. Koj tuaj yeem ua si ib puag ncig nrog cov ntaub ntawv ntawd ntau heev los ua cov ntaub ntawv loj me me uas tsis pom qhov txawv.
Muaj cov thev naus laus zis sib txawv, cov npe lag luam thiab cov qauv. Hmoov zoo, muaj ntau qhov presets uas ua rau kev xaiv yooj yim dua, thiab tsis ntev Adobe Media Encoder yuav ua haujlwm ntau dua ntawm koj txhais tes.
Hauv tsab xov xwm no peb piav qhia cov ntsiab lus yooj yim li sai tau thiab tej zaum yuav muaj kev soj ntsuam ntxiv ntawm cov ncauj lus no.
Hauv kab ntawv no peb yuav npog:
Compression
Vim tias cov yeeb yaj kiab uas tsis tau tso tawm siv cov ntaub ntawv ntau dhau, cov ntaub ntawv tau yooj yim ua kom yooj yim dua. Qhov siab dua qhov compression, cov ntaub ntawv me dua.
Tom qab ntawd koj yuav poob cov ntaub ntawv duab ntxiv. Qhov no feem ntau cuam tshuam nrog compression poob, nrog kev poob zoo. Kev swb tsis zoo tsis yog feem ntau siv rau kev xa tawm video, tsuas yog thaum lub sijhawm tsim khoom.
Codecs
Qhov no yog txoj kev los txo cov ntaub ntawv, piv txwv li compression algorithm. Qhov sib txawv yog tsim los ntawm lub suab thiab video. Qhov zoo dua qhov algorithm, qhov tsawg dua qhov tsis zoo.
Nws entail ib tug ntau dua processor load rau "unpack" cov duab thiab suab dua.
Nrov hom: Xvid Divx MP4 H264
Thawv / Wrapper
cov thawv ntxiv cov ntaub ntawv rau cov yees duab xws li metadata, subtitles thiab indexes rau DVD los yog Blu-duab tshav discs.
Nws tsis yog ib feem ntawm cov duab lossis suab, nws yog ib hom ntawv nyob ib ncig ntawm cov khoom qab zib. Los ntawm txoj kev, muaj Codecs uas muaj tib lub npe raws li lub thawv xws li: MPEG MPG WMV
Pib nrog koj tus kheej nres cov lus tsa suab storyboards
Sau npe yuav mus rau peb tsab ntawv xov xwm thiab tau txais koj dawb download nrog peb storyboards. Pib nrog coj koj cov dab neeg ciaj sia!
Peb tsuas yog siv koj li email chaw nyob rau peb tsab ntawv xov xwm thiab hwm koj tus kheej
Hauv kev lag luam yeeb yaj kiab, MXF (lub koob yees duab kaw) thiab MOV (ProRes kaw / kho) yog siv dav siv wrappers. Hauv multimedia thaj av thiab hauv online, MP4 yog hom ntim ntau tshaj plaws.
Cov ntsiab lus no hauv lawv tus kheej tsis hais ntau txog qhov zoo. Qhov ntawd nyob ntawm qhov profile siv. Piv txwv li, koj yuav tsum tau them sai sai rau qhov degree ntawm compression. Qhov kev daws teeb meem kuj tseem yuav txawv.
Ib cov ntaub ntawv HD 720p nrog tsawg compression qee zaum yuav zoo dua li Full HD 1080p cov ntaub ntawv nrog compression ntau dua.
Thaum lub sijhawm tsim khoom, siv qhov ua tau zoo tshaj plaws kom ntev li ntev tau thiab txiav txim siab qhov chaw kawg thiab qhov zoo thaum lub sij hawm faib khoom.
Compression nqis rau kev tso tseg
Cov kev teeb tsa no yog lub hauv paus. Tau kawg nws nyob ntawm cov khoom siv. Nws ua rau tsis muaj kev nkag siab rau encode 20Mbps lossis ProRes yog tias cov khoom siv tsuas yog 12Mbps.
| High Quality Vimeo / Youtube | Download Saib Ua Ntej / Txawb | Thaub qab / Master (Professional) | |
|---|---|---|---|
| Thawv | MP4 | MP4 | MOV |
| codec | H.264 | H.264 | ProRes 4444 / DNxHD HQX 10-ntsis |
| Ncej Rate | thawj | thawj | thawj |
| Ncej Loj | thawj | Ib nrab kev daws teeb meem | thawj |
| Ntsuas Tus Nqi | 20Mbps | 3Mbps | thawj |
| Suab hom ntawv | AAC | AAC | Tsis raug nyom |
| Cov Suab Bitrate | 320kbps | 128kbps | thawj |
| Cov ntaub ntawv loj | +/- 120 MB ib feeb | +/- 20 MB ib feeb | GBs ib feeb |
1 MB = 1 MegaByte – 1 Mb = 1 Megabit – 1 MegaByte = 8 Megabit
Nco ntsoov tias cov kev pabcuam video zoo li YouTube yuav rov encode cov video clips uas koj upload rau ntau hom thiab kev daws teeb meem raws li ntau yam presets.
Nyob zoo, Kuv yog Kim, niam thiab ib tus neeg nyiam nres nrog keeb kwm yav dhau los hauv kev tshaj tawm thiab kev txhim kho lub vev xaib. Kuv muaj kev mob siab rau kev kos duab thiab kev ua yeeb yam, thiab tam sim no kuv tab tom dhia taub hau ua ntej mus rau hauv lub ntiaj teb nres. Nrog rau kuv qhov blog, Kuv tabtom qhia kuv cov kev kawm nrog koj.
