2Sankhani mmene zovuta kupweteka: quality kapena bitrate zofuna, ndi optionally ochepa kutalika ngati kukula ndi zofunika kwambiri kwa inu kuposa deta.
3Kuyamba ntchito ndi kulola ogwira ntchito re-kupaka wapamwamba; wanu oyambirira si nthawi zonse anasintha m'malo.
4Poyerekeza ndi kukula kwatsopano ndi mtundu wachibadwa, kenako ndikutsitsa fayilo ya MP4 yosinthidwa.
Kuchepetsa MP4 Mafunso Ofala
Kodi mtundu wa fayilo yanga umasintha kuchuluka kwa ndalama zomwe ndingapulumutse?
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Chotero kwambiri. MP4 ndi otetezeka kutumiza chidebe: H.264 kanema ndi AAC audio amasewera pa moyenera pa foni, browser ndi TV popanda codec pakiti. Izi zimatsimikizira kuti pali ma headroom omwe alipo komanso ngati kupulumutsa kumakuwononga chilichonse m'chilungamo.
Kodi pali chinachake chokhacho cha MP4 chomwe ndingadziwepo mukadzaza?
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Yes — MP4 amasunga index yake mu moov atomu, kotero stream-kopera kusintha ndi pafupi-mphindi ndi zotsatirabe akufuna bwinobwino mu msakatuli. Ndikofunika kudziwa kuti musanayambe kulemba pazomwe mungafunensonso.
Kodi ndi chiyani cholakwika chofala kwambiri pamene mukutsitsa MP4 videos?
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Kuzizira wapamwamba chimodzimodzi mobwerezabwereza. Kawirikawiri pa lossy mtundu ndi chitukuko chatsopano cha kuwonongeka ndi kupulumutsa kuchepetsa pamene kuwonongeka kumawonjezeka. Pitani kuchokera ku asalowe ku cholinga chanu m'njira imodzi, ndipo kusunga asalowe.
Kodi ndikufuna chiyani, ndipo ndingayang'ane bwanji kusiyana kwa ndalamazo?
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Fayilo imodzi yozizira pa input, pa quality kapena bitrate level yomwe mumasankha kuposa default yokhazikika. Ngati zotsatirazo si zazing'ono kwambiri, kusintha kwa kutalika kapena nthawi yotenga zidzachita zambiri kuposa kuchepetsa quality slider.
Yai. Uploads queue m'njira yofanana, zomwe zikutanthauza zambiri pano kuposa kulikonse chifukwa ntchito za video ndi mphindi kuposa masekondi. Maakaunti aulere amayendetsa fayilo imodzi nthawi imodzi; chilolezo chimatulutsacho.
Kodi chimachitika chiyani kwa nyimbo za audio, subtitle ndi chapter?
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Audio yambiri, ma subtitle ophatikizidwa ndi masamba olemba masamba amapulumuka komweko komwe konkriti yoyenera imatha kuwaimira - zomwe ndizomwe zimatenga ntchito yabwino kuchokera ku naive re-encode yomwe imasungabe njira imodzi.
Kodi Kuchepetsa MP4 imawononga chilichonse?
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No. Kuchepetsa MP4 ndi ufulu popanda akaunti, ndipo kutulutsaku sikumakhala ndi madzi, palibe logo ya corner ndi katundu woyamba. Video yotsitsa imachotsa ntchito za ogwira ntchito pambuyo pomaliza ntchito.
Kodi pali malire a kukula kwa fayilo pa Kuchepetsa MP4?
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Yai: maakaunti aulere amapanga kanema mpaka ku 40 MB pa fayilo, mosakayikira chingwe choyamba patsambali; ffmpeg ndi x264, x265 ndi libvpx amachita ntchito, yomwe ndi imodzi mwazinthu zofanana ndi mapulogalamu a desktop video.Video ndi banja limodzi lomwe limakhala lokwanira kwambiri kuti likhale ndi nthawi yotsitsa, osati malire, ndi zomwe mudzawona.
Nchifukwa chiyani malo a PNG amalandira Kuchepetsa MP4?
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PNG.to imapangidwa m'njira yomwe mumagwiritsa ntchito pamene simungathe kuwononga pixel: osatha, alpha-oyenera, ndi yankho loyenera kwa zithunzi zazithunzi, ma logo, line art ndi chilichonse chomwe chili ndi maziko olimba. Ntchito ya chithunzi siyimangokhala ndi gawo limodzi: anthu amafika kuti asinthire mtundu ndi kuchoka kufunikira chithunzi cha mtundu wina, kulemera kosiyana kapena mtundu wina. Kuyendetsa Kuchepetsa MP4 pamodzi ndi kutsitsa, ma caps amtundu umodzi ndi akaunti imodzi ndichifukwa chake ndi apa ndipo si pa tabu yachiwiri.
Kodi ndingachite chiyani ndi zotsatirazi pamene Kuchepetsa MP4 yatha?
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Wosintha patsamba lino amasintha zithunzi ku PNG, JPG, WebP, GIF ndi SVG - zomwe ndi njira yomwe lamulo la kuwala kwa chilengedwe limapangidwa. Izi ndi njira yomwe anthu ambiri adapita, ndipo amachita izi pambuyo pa Kuchepetsa MP4 kuposa kale, kumatanthauza kuti kusintha kwa ntchito kumachokera ku fayilo yomwe mwamaliza kukhazikitsa.
Kodi Kuchepetsa MP4 pano ndi chinthu chomwecho chomwe masamba a sibling amayendetsa?
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Magalimoto amagawana - mabuku omwewo, ogwira ntchito omwewo, ma limits omwewo. Zosiyana ndi malangizo, ndipo malangizowa amayamba kuchokera ku chinthu chimodzi chokhudza mtundu womwe umagwiritsidwa ntchito patsamba lino: palibe slider yabwino yosayenera - PNG imayenda m'mphepete mwa maulendo a bit-exactly, choncho chinthu chokhacho chomwe chimasintha mtengo wanu ndi kukula kwa fayilo. A PNG sitepe amaganiza za komwe PNG ndi malo abwino komanso komwe si, ndipo lamuloli limatanthauza zambiri kuposa batani.
Kodi ndiyenera kukhala ndi akaunti, ndipo kodi zinthu zina zimasunga?
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Sichingakhale akaunti, ndipo palibe chomwe chimasunga: zotsitsa zimachotsa ntchito za ogwira ntchito pambuyo pomaliza ntchito, ndipo palibe chomwe mumapanga chimasinthidwa, kupezeka kapena kugwiritsidwa ntchito kwa chilichonse. Maakaunti aulere alipo kwa mbiri ndi kukula kwa batani, osati kulowa.
