MP4 → AVI

Guqula Eyakho MP4 kuya AVI amafayela kalula

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Guqula amafayela afinyelela ku-1 GB mahhala, abasebenzisi be-Pro bangaguqula amafayela afinyelela ku-100 GB; Bhalisa manje

Ukulayisha

Indlela yokuguqula MP4 kuya AVI

Isinyathelo 1: Layisha eyakho MP4 amafayela usebenzisa inkinobho engenhla noma ngokuhudula bese uphonsa.

Isinyathelo 2: Chofoza inkinobho ethi 'Guqula' ukuze uqale ukuguqulwa.

Isinyathelo 3: Landa i-version yakho AVI amafayela

MP4 kuya AVI Imibuzo Evame Ukubuzwa Yokuguqulwa

Ngiyifaka kanjani i-MP4 ku-AVI ngaphandle kokulahlekelwa yikhwalithi yevidiyo?

Layisha phezulu ihele lakho MP4 futhi umguquli uqhuba i-CRF-based re-encode ebhekisa ku-visually-lossless AVI output (CRF 18 ngokuzenzakalela, amaxabiso aphansi = ifayela elikhulu / ubunjani obuphezulu). I-codec ikhethiwe ukufana ne AVI container — H.264 for broad-compat MP4, H.265 for size-efficient MKV, VP9 for WebM, AV1 for newer pipelines. Kuyinto encane kakhulu ukuthi wonke ama-MP4 aphilayo ayizividiyo ze-H.264 ezinesandi se-AAC; isiqoqi sigcina ngokusemthethweni i-HEVC, AV1 ne-VP9. Amafayela we-AVI adlule ama-codecs amanje: cabanga i-MPEG-4 Part 2 (DivX/Xvid), Motion JPEG noma amafreyimu amnyama angacindezelwa ngaphandle kwe-H.264.

Yini ezoba nezinhlamvu zesihloko esingezansi kuhele lwami MP4?

Ngakhoni ukuhlala bekhethwa, ngoba AVI ayikho i-soft-subtitle stream egcina isihloko. Kunezindlela ezimbili zokuzikhipha: ukufaka kuvidiyo ngesikhathi sokuguqulwa, okuzozenza zihlala zihlala futhi zingashintshwa, noma ukuthumela ngaphandle njenge.srt ehlukile ecaleni le AVI ukuze umdlali alayishe. Umguquli utshela ukuthi yini eyayenza ngaphandle kokushiya isihloko ngokucophelela. I-AVI ayinaso isixhaso esisemthethweni se-codecs yamanje, isilinganiso sefreyimu esiguqukayo, izihloko ezithambile noma amafayela angaphezu kuka-4 GB ngaphandle kokuhlaselwa, futhi i-chunk ngayinye i-overhead ibhoboza ifayela.

Ingabe i-AVI ingagcina ama-tracks omsindo angaphezu kwesinye?

Yebo, futhi kuyithuthukiso eliyiqiniso ku MP4. AVI iphatha wonke umsindo njengohlelo oluhle, ngakho-ke umsindo ovela ku-language, i-dub kanye nombhali we-comment ungahlala kuhele olulodwa nomdlalo oshintsha phakathi kwazo uma kudingeka. AVI ilula kakhulu, okuyinto ngokucacile kungani ama-camcorders akudala, amakhadi okuqoqa, DVD amathuluzi okukhishwayo kanye Windows-era software wonke akhona akhipha.

Ingabe ngingakwazi ukuxhuma ihele kwikhasi le-web ngemuva kokushintsha MP4 kuya ku AVI?

Akunakuqondile. MP4 idlala ngaphakathi kwelayini ngayinye yesiphequluli; AVI ayisebenzi, ngakho ikhasi elifakazelayo libuyela emuva ku-download link noma ku-player frame engenanto. Uma ihele lizosetshenziswa kwi-website, gcina i-MP4 kwi-web futhi uthathe i-AVI njenge-archive noma uhlela ikhophi.

Ingabe i-AVI izodlala ngokulula ku-smartphone noma ku-TV?

Kungenzeka ukuthi ayisebenzi. MP4 i-decoded yi-silicon ekhethekile kumafoni, ama-tablets nama-TV, ngakho-ke idlala ngaphandle kokucindezela ibhethri. AVI ngokuvamile ibuyela emuva ku-software decoding ku-hardware efanayo - u-CPU ophezulu, isisetshenziswa esipholile, namafreyimu akhuphuka ku-4K material. Uhlelo oluzosetshenziswa, MP4 luyi-container ephephile yokuhlala kuyo.

Yini ekwenzeke ku-5.1 surround audio uma uguqula MP4 ku-AVI?

Kuxutshwe phansi ku-stereo, ngoba AVI ayikho indlela ethembekile ye-multichannel. Ukuvala ngezansi kusetshenziswa izilinganiso ezijwayelekile ze-ITU ukuze ukuxhumana engxenyeni ye-channel ihlale icacile futhi izimo zifike ezingeni eliphansi kune-elingafihli. Noma yini esekelwe ekubekeni kwe-channel ehlukile idlule ngemuva kwalokho.

Kungani ngiguqula i-MP4 ibe yifomethi edala njenge-AVI?

Ngenxa yokuthi iningi lezinto ezibonakalayo alikwazi ukufundela noma yini entsha futhi alizokwazi. Ama-DVD adlalayo, amayunithi emoto, ama-camcorder adlalayo, ama-displays emboni kanye nemikhiqizo eminingi yokusabalalisa i-ingest i accept AVI futhi akukho okuningi. Ukuguquka kuyindlela efanele yokuncipha ekusebenzani, ethengiswe ukushintshana kokusebenza kwidivayisi engakho enye indlela.

Yini i-codec yevidiyo i AVI isebenzisa?

Kuxhomekeka ku AVI isihlungi. MP4 iphutha ku-H.264 ukuze kuxhaswe ukusakazwa okubanzi phakathi kwamafoni, amabhurawuza, nama-Smart TVs. MKV iphutha ku-H.265 / HEVC ukuze kube nengxenye yobukhulu befayela ngekhwalithi elinganayo. WebM iphutha ku-VP9. Izinketho eziphezulu zibonisa ngokucacile ukhetho lwe-codec uma ufuna ukucima. AVI Microsoft Audio Video Interleave, isungulwe ngo-1992 phezu RIFF chunk format - eyodwa yezinto eziphilayo ezidala kakhulu okwamanje e circulation.

Ingabe umsindo wami uzophila ukuguqulwa MP4 kuya ku AVI?

Yebo. Uma MP4 ne AVI zihlanganisa i-codec yomsindo (isibonelo, zombili zifaka i-AAC), umsindo uphinde uhlukaniswe ngaphandle kokuphindeka kokufaka ikhowudi — okufanayo. Uma ama-codecs ahlukile, umsindo uguqulwa ube yi-AAC / Opus / Vorbis ngokuya ngomsebenzi oxhaswa yi-AVI. Umsindo we-multi-track (umbono, izilimi ezihlukile) ugcinwa.

Ingabe ngigcina ifreyimu yesiqalo uma ngiguqula MP4 ku AVI?

Ngokungagqibekanga yebo — i-24fps MP4 ihlala i-24fps ku-AVI; i-60fps MP4 ihlala i-60fps. Uma ufuna ukuguqula isilinganiso (isibonelo, interlaced 29.97 → progressive 30, noma 60 → 30 ukulayisha amaphesenti), isinqumo se-framerate siphatha 3:2 ukukhishwa, ukususwa kwe-interlacing, kanye nokuhlanganisa ifreyimu ku-encoding pass.

Ingabe ubukhulu behele bushintsha kanjani kusuka ku MP4 kuya ku AVI?

Same-codec re-mux (MP4 H.264 → AVI H.264 ushintsha isihlungi kuphela): ubukhulu obufana kakhulu. Ushintsho lwe-codec lungashintsha ngokujulile: H.264 → H.265 ngokuvamile uhlukanisa ihele ngengxenye ngekhwalithi efanayo yokubuka; VP9 ifana kakhulu; AV1 ihlukanisa ezinye i-20-30% kodwa ihamba kancane uku-encode.

Ingabe ihele AVI lidlalwa ku-iPhone, Android, ne-Smart TVs?

MP4 / H.264 idlala ngokusemthethweni kuwo wonke amadivayisi amanje. MOV / H.264 idlala kumadivayisi we-Apple nakwamanye ama-TV kodwa hhayi njalo kuma-Android adala. MKV idinga i-VLC ku-iOS. I-WebM iyisiphequluli-kuqala. Izinketho ezithuthukisiwe zifaka phakathi "ukuxhumana kwedivayisi" okusetshenzisiwe okukhetha i-AVI codec / ibhokisi eliphephile lenjongo yakho.