Mataki na 1: Loda naka MP4 fayiloli ta amfani da maɓallin da ke sama ko ta hanyar ja da sauke su.
Mataki na 2: Danna maɓallin 'Maida' don fara hira.
Mataki na 3: Sauke fayil ɗin da aka canza MKV fayiloli
MP4 zuwa MKV Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan sake enkoɗa MP4 zuwa MKV ba tare da rasa ingancin bidiyo ba?
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Ka saukar da fayil ɗinka MP4 kuma mai canzawa zai yi aiki da wani CRF-da aka gina kan sake-sauya-kodi mai nufin fitarwa mai gani-ba-da-hasara MKV (CRF 18 bisa diff, ƙananan kimar = fitaccen fayil / mafi kyawun inganci). An zaɓi codec don ya haɗu da MKV ƙofar — H.264 don MP4 mai girma, H.265 don MKV mai girma, VP9 ga WebM, AV1 ga sabon pipes. A kusa da kowace MP4 a cikin daji ne H.264 bidiyo da AAC sauti; da kwandon kuma doka da aka riƙe HEVC, AV1 da VP9. MKV ne codec-agnostic: H.264, HEVC, VP9 da AV1 bidiyo zauna farin ciki kusa da AAC, FLAC, Opus, DTS ko Dolby sauti a cikin daya fayil.
Shin MKV na goyon bayan alamun shafi da MP4 ba ta goyon ba?
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Yana yi. MKV na adana sashe kamar metadata na kwandon, don haka za'a iya tafiyar da wani rikodin mai tsawo ta ɓangaren ba tare da rufe wani barar ci gaba ba. MP4 ba ta da wurin da za'a saka wannan bayanin ba, don haka idan mai samarwa ya aiko da jerin sashe ya kasance cikin fayil na sidedcar — ba da wannan zuwa mai canja wurin kuma zai rubuta cikin MKV. MKV shi ne mai riƙe da arshi na zaɓi saboda yana adana waƙoƙin sauti ba tare da iyaka ba, sassaƙan rubutu, maɓallan sashe da zane-zane na kwafin cikin fayil guda.
Shin, zan iya shigar da fayil a cikin wani shafi na yanar gizo bayan na canja MP4 zuwa MKV?
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Ba kai tsaye ba. MP4 yana wasa cikin layin cikin duk wani mai bincike; MKV ba haka ba ne, don haka wani shafi mai shigar da shi zai koma zuwa wani alaƙa na saukewa ko wani firam na mai wasa ba. Idan fayil ɗin ya kasance an tsara shi ga wani shafin yanar gizo, ka riƙe MP4 don yanar gizo kuma ka yi amfani da MKV kamar arshiya ko gyara kwafin. MKV yana da kusan babu goyon baya na asali na kayan aiki - wayoyin hannu, shafuka da TVs suna buƙatar VLC ko remux kafin su yi wasa da shi.
Shin MKV za su ci gaba da wasa cikin sauƙi a kan waya ko TV?
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Zai iya ba. MP4 ana decode da silicon mai dacewa a kan wayoyin hannu, kwamfutoci da TV, wanda shi ne dalilin da ya sa yake wasa ba tare da ya yi wa batirin damuwa ba. MKV na da yawa yana komawa ga decode na kayan aikin a kan irin wannan kayan aiki — mafi girman nauyi na CPU, mai zafi na'ura, da kuma rarraba firam a kan abun 4K. Ga wani manufa na'ura, MP4 shi ne mafi aminci na'ura da za'a zauna cikinta.
Mene ne codec ɗin bidiyo da fitarwa MKV take amfani dashi?
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Yana dogara ga abin da ke cikin MKV. MP4 na da diff zuwa H.264 domin mafi fadin goyon baya na wasa a kan wayoyin hannu, na'urorin bincike, da Smart TVs. MKV na da diff zuwa H.265 / HEVC don kusan rabin girman fayil da inganci mai kama da. WebM na da diff zuwa VP9. Zaɓuɓɓukan ci gaba suna nuna zaɓin codec mai bayyananne idan kana buƙatar sake shi. MKV shi ne Matroska, wani ƙuƙumi mai buɗewa wanda aka tsara a cikin 2002 da babu ƙuncin lasisi da babu tsawo kan abin da zai iya riƙe.
Shin waƙoƙina na sauti za su iya tsira daga canji daga MP4 zuwa MKV?
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Na'am. Idan MP4 da MKV suna raba codec na sauti (misal, suna da AAC), za'a sake-muxed sauti ba tare da sake-encode ba - bit-identical. Idan codecs sun bambanta, za'a sake-encode sauti zuwa AAC / Opus / Vorbis dangane da abin da mai riƙe da MKV ke goyon baya. An kiyaye sauti mai layuka da yawa (waƙoƙin sharhi, yarukan dabam-dabam).
Shin zan iya riƙe ƙimar firam na asali idan na canja MP4 zuwa MKV?
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A bisa diff, na'am — 24fps MP4 zai zauna 24fps a cikin MKV; 60fps MP4 zai zauna 60fps. Idan kana buƙatar canza adadin (misali, interlaced 29.97 → progressive 30, ko 60 → 30 don iyakancewar aikawa), zaɓin adadin firam na kula da 3:2 pulldown, deinterlacing, da kuma haɗe-firam a cikin mataki ɗaya na encoding.
Menene girman fayil ɗin zai canza daga MP4 zuwa MKV?
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Re-mux na codec-daidai (MP4 H.264 → MKV H.264 kawai yana canja kwandon): girman da ya fi daidai. Canjin codec na iya sauya sosai: H.264 → H.265 na iya raba fayil zuwa rabinsa da ingancin gani na daidai; VP9 yana da kama da haka; AV1 na yanke wani 20-30% amma yana da sauri wajen encoding.
Shin fayil MKV zai iya wasa a kan iPhone, Android, da Smart TVs?
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MP4 / H.264 yana wasa a kan kowane na'ura mai zaman kansa. MOV / H.264 yana wasa a kan na'urorin Apple da TVs amma ba koyaushe ba a kan Android na daɗaɗɗen. MKV yana buƙatar VLC akan iOS. WebM shine mai bincike na farko. Zaɓuɓɓukan ci gaba sun haɗa da "haɗin kai na na'ura" da aka ƙayyade da farko wanda ke zaɓar mafi aminci MKV codec / kwandon don manufarka.
Menene lokacin da ake buƙata don canja bidiyo mai awa 1 daga MP4 zuwa MKV?
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Same-codec re-mux yana kusa da lokaci-da-lokaci — sakan 30 zuwa 60 ga fayil na sa'a 1. Full codec re-encode yana tafiyar da kusan 0.3-0.7x lokacin asali a kan GPU pipeline ɗinmu, don haka sa'a 1 MP4 → MKV ya ƙare cikin minti 18-40 dangane da daidaita da manufar codec.
Mene ne mafi girman ma'ana da ake goyon baya ga MP4 zuwa MKV?
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Har zuwa 8K (7680×4320) akan Premium plans. Free conversions are capped at 4K (3840×2160) by the per-file size limit. HDR metadata (HDR10, HDR10+, Dolby Vision when present) is carried through where both MP4 and MKV containers support it.
Shin bidiyo na MP4 na sirri ne yayin canjawa zuwa MKV?
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Na'am. An yi amfani da fayilolin bidiyo da aka tura a cikin masu aiki masu tsalle-tsalle, ba a taba ganinsu da wani mutum ba, ba a taba sanya su cikin indiya ba, kuma an share su cikin mintina bayan kammalawa. An yi takardar tagar tsare-tsaren a /privacy/ kuma ba mu wallafa wata takardar koyarwar koyarwar daga masu turawa na masu amfani ba.
