Videos tuaj yeem ua cov ntaub ntawv loj. Compressing lawv ua rau lawv yooj yim dua xa tawm mus rau cov phooj ywg thiab tsev neeg, qhia tawm hauv social media, thiab txuag chaw hauv koj lub xov tooj. Nws kuj yooj yim ua.
kab hauv qab
Video compression muaj txiaj ntsig rau ntau yam. Yog tias koj xav kom koj cov yeeb yaj kiab upload thiab rub tawm sai sai hauv online, compression txo cov ntaub ntawv loj thiab ua rau cov txheej txheem yooj yim dua, tshwj xeeb tshaj yog hauv kev tshaj tawm. Yog tias koj cov vis dis aus tsuas yog saib ntawm lub cuab yeej nrog kev cia tsawg, compression tuaj yeem pab koj txuag chaw. Thiab yog tias koj xav xa cov yeeb yaj kiab los ntawm email lossis dhau ntawm kev sib tham, compression pab koj ua tau raws li cov ntaub ntawv loj txwv.
How Video Compression Works
Cov vis dis aus koj tab tom tua yog zaum compressed. Tshwj tsis yog tias koj tab tom ua yeeb yaj kiab nrog lub koob yees duab xinesmas, feem ntau cov khoom siv video, txawm tias lawv yog koj lub smartphone, koj lub DSLR, lossis koj lub camcorder, compress cov yees duab thaum koj tua nws siv ib daim software hu ua codec.
Codecs tuaj yeem "lossis" lossis "lossis". Piv txwv li, YouTube siv lossless codec H.264. Tus codec siv txhua lub thav duab ntawm video thiab faib nws mus rau hauv ib daim phiaj. Nws mam li sib piv cov kab sib chaws. Yog hais tias cov ntaub ntawv nyob rau hauv daim phiaj tseem tsis tau hloov, cov squares yuav tsis loaded thaum lub sij hawm playback nyob rau hauv lossless hom ntawv, los yog muab pov tseg tag nrho nrog lossy hom ntawv.
Lossy codecs tuaj yeem squish ib daim vis dis aus mus rau qhov me me, tab sis nws los ntawm qhov tsis zoo. Lossless txi qhov chaw rau qhov zoo, txawm hais tias nws tuaj yeem ua tiav qhov txo qis. Raws li txoj cai dav dav, cov cuab yeej niaj hnub tua siv lub codec tsis zoo thiab cia koj txiav txim siab seb puas yuav nthuav nws ntxiv thaum koj tua thiab kho.
Ua Tsaug Rau Koj Tso Video
Nrog ib lub koob yees duab video, muaj qee cov kauj ruam koj yuav tsum ua ua ntej koj pib ua yeeb yaj kiab.
- Tua rau qhov chaw uas muaj teeb pom kev ntau, tshwj xeeb tshaj yog tshav ntuj ncaj qha. Qhov zoo dua ci koj cov vis dis aus yog, cov ntaub ntawv ntau tus codec tau ua haujlwm nrog. Yog ua tau, zam cov duab ntxoov ntxoo thiab cov xim tsaus nti.
- Xav seb koj daim vis dis aus yuav pom li cas. Piv txwv li, yog tias koj yuav saib nws ntawm lub tiaj tiaj qub, xaiv 1080p daws teeb meem.
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Yog tias koj paub tias koj yuav tsoo cov ntaub ntawv video mus rau qhov tsawg tshaj plaws ua tau cov ntaub ntawv loj, tua nrog lub codec poob ua ntej yuav txuag lub sijhawm hauv kev ua thiab txo qhov kev pheej hmoo ntawm kev ua yuam kev.
- Siv cov kev pab cuam kho kom yooj yim los txiav koj cov vis dis aus rau tsuas yog cov feem cuam tshuam. Txawm tias tsis muaj codecs tuaj yeem ntim cov yeeb yaj kiab luv dua rau hauv ntau qhov chaw me me.
Compressing Video hauv Windows 11 thiab Windows 10
Windows 11 thiab 10 tuaj nrog ib qho app hu ua Video Editor (yav tas los Movie Maker) uas tso cai rau koj ua yeeb yaj kiab yooj yim. Nws yog ib txoj hauv kev zoo kom nrawm nrawm video hauv Windows. Lwm qhov zoo dua yog tias nws xa cov ntawv luam ntawm koj qhov project, tsis txhob rhuav tshem koj cov ntaub ntawv, yog li koj tuaj yeem rov qab mus sim dua.
- Sib sau koj cov vis dis aus los ntawm upload nws rau hauv app thiab muab cov kov koj xav tau rau nws.
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Ntawm Windows 11, xaiv Finish Video nyob rau sab xis sab xis. Hauv Windows 10, xaiv Export.
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Koj tau nthuav tawm nrog cov kev xaiv: me, nruab nrab, thiab loj (lossis qis, nruab nrab, thiab siab). Xaiv qhov tsim nyog tshaj plaws rau koj cov kev xav tau.
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Compressing Video hauv iOS thiab macOS
iMovie los ntawm tus qauv hauv macOS thiab iOS. Pib nrog iOS, ua raws li ob peb kauj ruam tom ntej.
- Ua tiav koj cov yeeb yaj kiab thiab coj mus rhaub rau Export icon, uas nyob hauv nruab nrab ntawm kab.
- Tap Save Video.
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Xaiv qhov loj los ntawm cov ntawv qhia zaub mov.
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Lub macOS version ntawm iMovie ua haujlwm zoo ib yam li iOS version, nrog ob peb qhov sib txawv.
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tom qab kho koj cov yeeb yaj kiab, xaiv lub Share khawm nyob rau sab xis sab xis ntawm lub vijtsam iMovie.
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Xaiv File as the export.
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Xaiv qhov loj me uas koj xav xa koj cov yeeb yaj kiab li. Tus lej me dua, cov ntaub ntawv me me tab sis qhov ntau qhov compression.
Image - Koj Mac txuag cov ntaub ntawv xa tawm txhua qhov chaw koj qhia rau, ib yam li nws ua nrog txhua lwm cov ntaub ntawv txuag.
Compressing Video hauv Android
Thaum Android apps tsis tas yuav tsum ua qauv, feem ntau cov khoom siv hauv Android niaj hnub suav nrog cov cuab yeej kho video yooj yim hauv Gallery app nrog ob peb txoj kev xaiv compression.
- Qhib Gallery app thiab xaiv ib qho video.
- Xaiv qhov kev hloov kho, feem ntau yog lo lus Kho kom raug lossis ib pencil icon.
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Tap Resolution los yog Export thiab xaiv qhov kev daws teeb meem los ntawm cov ntawv qhia zaub mov.
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Compressing Video Nrog Lub Vev Xaib Video Editor
Cov vev xaib uas kho cov yeeb yaj kiab kuj muaj kev xaiv compression. Txawm li cas los, lawv tej zaum yuav compress cov yees duab raws li ib feem ntawm cov txheej txheem export. Raws li txoj cai, thaum koj ua tiav nrog koj qhov project, xaiv lub pob cim Export Video lossis Finish Video thiab xaiv los ntawm cov npe luv ntawm cov kev xaiv. Ntawm no, piv txwv li, yog Clipchamp cov kev xaiv.
Ceeb toom cov hnub qub nyob ib sab ntawm cov kev xaiv kev daws teeb meem siab dua: Cov no yog cov yam ntxwv them nyiaj ntawm qhov chaw tshwj xeeb no. Tej zaum koj yuav tau sim tawm ntau lub vev xaib kom pom ib qho uas tso cai rau compression zoo dua dawb.
