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Mai Juyawa MP4 zuwa WMV

Maida Naka MP4 zuwa WMV takardu da wahala

Zaɓi fayilolinku

*An goge fayiloli bayan awanni 24

Canza fayiloli har zuwa 1 GB kyauta, masu amfani da Pro za su iya canza fayiloli har zuwa 100 GB; Yi rijista yanzu

Ana lodawa

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Yadda ake canzawa MP4 zuwa WMV

Mataki 1: Cire MP4 @ action: button

@ action

Mataki 3: Kaɗa ka maida WMV fayiloli


MP4 zuwa WMV Tambayoyin da ake yawan yi game da Canzawa

Ta yaya zan sake enkoɗa {daga} zuwa {zuwa} ba tare da asarar inganci ba?
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@ action: button
Yana dogara ne akan abin da ke ciki. MP4 na da diff zuwa H.264 (mafi fadin goyon baya ga wasa); MKV da WebM na da diff zuwa H.265 da VP9 a kansu domin mafi kyawun ƙuntata a matsayin daidai. Za ka iya canza zaɓin codec a cikin zaɓuɓɓukan ci gaba kafin canjawa.
Na'am — an sake-muxed sauti (idan {daga} da {zuwa} sun raba codec na sauti) ko an sake-encode zuwa AAC / Opus / Vorbis dangane da abin da {zuwa} ke goyon baya. An kiyaye sauti mai layuka-da-da yawa (waƙoƙin sharhi, harsuna daban-daban).
A bisa diff, adadin firam bai canja ba ({daga} 24fps yana zaune 24fps a cikin {zuwa}). Idan kana buƙatar canza shi (misali, interlaced 29.97 → progressive 30fps), ka yi amfani da zaɓin adadin firam, wanda ke kula da 3:2 pulldown da deinterlacing a cikin tafiyar guda.
Re-muxes na codec-daidai (misal. {daga} → {zuwa} inda duka suke amfani da H.264) suna samar da girman da ya kusan daidai. Canjin codec na iya juya girman da yawa: H.264 → H.265 na iya raba fayil a matsayin rabinsa da ingancin gani; H.264 → VP9 yana da kama da haka.
MP4 / H.264 wasa natively duk inda. MOV / H.264 wasa a kan Apple na'urorin da mafi Smart TVs amma ba a kan Android da ya fi dacewa. MKV bukatar VLC a kan iOS. Advanced zaɓuɓɓuka sun hada da "na'ura na'ura" preset da ke zaɓar mafi aminci codec / jakar haɗuwa ga na'urar manufa.
Yana dogara da canjin codec. Same-codec re-mux: 30-60 seconds (no re-encode). Re-encode zuwa wani codec daban: a kan 0.3-0.7x lokacin asali a kan GPU pipeline, don haka fayil na sa'a 1 zai ƙare cikin minti 18-40.
Har zuwa 8K (7680×4320) akan Premium. Masu amfani da kyauta ana iyakance su zuwa 4K (3840×2160) bisa iyakar girman fayil. An kiyaye metadata na HDR (HDR10, Dolby Vision) inda {daga} da {zuwa} na cikin akwatuna suke goyon baya.
Na'am — an yi aiki da fayilolin bidiyo da aka tura a cikin ma'aikata masu tsare-tsaren kuma an share su cikin mintina bayan kammalawa. Ba za mu taba gani, adana, riƙe, ko raba abun ciki ba. Ka duba /privacy/ domin tagan riƙe bayanai na cikakke.
Ba a cikin mataki guda ba — amfani da /video-trim/ ko /video-cutter/ don yin yanka kafin canjawa, sa'an nan kuma a sanya mataki na {daga} → {zuwa} cikin jerin. Yin yanka da canjawa cikin jerin yana da sauri fiye da sake-sauya-kodin fayil din gaba ɗaya kawai don yin yanka.
A ko'ina ana amfani da daidaitattun bitrate-too-low. Sake-saukar da alamun shafi daga MP4 mai bitrate mai girma zuwa WMV mai bitrate mai ƙaranci a cikin CRF na diff yana sanya ƙuntata sosai a kan hotunan da suke da motsi mai yawa. Ka saukar da CRF zuwa 16-18 (ko kuma ka ƙayyade bitrate mai bayyana) kuma ka sake-run don dawo da inganci.
Na'am — ana kiyaye waƙoƙin sunaye-na-ƙasa da aka yanka (mov_text a cikin MP4, SRT/ASS a cikin MKV) idan {daga} da {zuwa} na goyon bayan su. Sunaye-na-ƙasa da aka ƙona (hardsub) ana canja su da kansu saboda su ɓangare ne na firam ɗin bidiyo.

MP4

Tsarin kwantena na MP4 zai iya ɗaukar bidiyo, sauti, ƙananan bayanai, da hotuna a cikin fayil guda tare da matsi mai kyau.

WMV

WMV is a popular file format.


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