Cima MP4

MP4 Umncinane wobungakanani befayili

Khetha iifayile zakho

*Iifayile zicinyiwe emva kweeyure ezingama-24

Cima ukuze ulungele ubungakanani

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Iyalayisha

Indlela yokuZicimeza MP4

1 Nciphisa i MP4 videos yakho kwibhokisi ephezulu, okanye ukhethe kwisixhobo sakho - akukho nto yokufakela kwaye akukho akhawunti yokuyenza.

2 Khetha ukuba kunzima kangakanani ukucofa: umgangatho okanye injongo ye bitrate, kwaye ngokuzenzekelayo ubungakanani obuncinane ukuba ubungakanani bubalulekile kuwe ngaphezulu kweenkcukacha.

3 Qala umsebenzi kwaye vumela abasebenzi ukuba baphinde bapakishe ifayile; okuqala wakho akatshintshwanga kwindawo.

4 Uthelekiso lobungakanani obutsha nokuqala, emva koko ulayishe ifayili ecinezelweyo MP4.

Cima MP4 FAQ

Ingaba kukho into ekhethekileyo kwi MP4 endimele ndiyazi phambi kokuba ndicofe?

Yes — I-MP4 igcina isalathisi sayo kwi-moov atom, ngoko ukudlulisa-ukukopa ukuhlela kufutshane-nokukhawuleza kwaye isiphumo sihlala sikhangela kakuhle kwisikhangeli. It is worth knowing before you overwrite an original you might need again.

Ndifumana ntoni, kwaye ndingalawula njani utshintshiselwano?

Ifayile enye ecinezelweyo ngengeniso ngalinye, kumgangatho okanye kwinqanaba le-bitrate okhetha kuyo kunokuba kugqibeke okumiselweyo. Ukuba isiphumo asincinci ngokwaneleyo, utshintsho lomlinganiselo okanye ixesha lokuphila luzakwenza ngaphezulu kokutsala umqhubi womgangatho ezantsi.

I-Cima MP4 iyenza njani ifayili ibe ncinane?

Ngokucacileyo, umfanekiso uphinde ukhowudiwe nge x264 okanye x265 kwi CRF omiselweyo, onokuthi ulinganiswe phantsi kuqala; i CRF 23 ibonisa ngokucacileyo kwimifanekiso emininzi kwaye inkqubo nganye malunga nesithandathu iphinda iqulethe ifayile. Akukho nto malunga nayo ixhomekeke ekufakeni kwakho isoftware: umsebenzi uqhuba iserver-side kwaye ubuyisela ifayile egqityiweyo.

Ingaba ifayili yam iya kuba ncinci kangakanani?

Oku kugqibwa yimixholo, hayi yisixhobo. Iinkcukacha zomfanekiso kunye nefilimu yegranule imelana nokucinezela; umbala othambileyo, umbhalo kunye noxolo lufa. Ulindeleko oluchanekileyo luyimfuneko enkulu yokuncitshiswa nakweyiphi na into enemimandla emikhulu efana nenye encinci kwimifanekiso exakekileyo okanye i clip ye-high-motion.

Ingaba i Cima MP4 ibiza nantoni na?

Umhlathi Cima MP4 ukhululekile ngaphandle kwe-akhawunti, kwaye i-output ayikho i-watermark, akukho phawu lwekona kwaye akukho khadi le-intro. Ividiyo elayishwe phezulu isuswa kubasebenzi emva kokuba umsebenzi ugqityiwe.

Yintoni endinokuyilayisha kwi Cima MP4?

MP4, MOV, MKV, WebM, AVI, WMV, FLV, 3GP, M4V, MPEG ne MPG. Isiqulathi seefayili kunye ne-codec zivavanywa phambi kokuba nantoni na iqhube, ngoko ke iqela elidityanisiweyo liphathwa ngokuchanekileyo kwifayili nganye kunokuba lithathelwe ingqalelo ukuba lifanayo.

Ingaba kukho umda wobungakanani befayili kwi Cima MP4?

Ewe: i-akhawunti ekhululekileyo iqhubekeka ividiyo ukuya kwi-1 GiB ngefayile, ngokuthe ngqo i-cap elungileyo kakhulu kwiwebhusayithi; i-ffmpeg ene-x264, x265 ne-libvpx isebenza, eyiyo enye i-toolchain ecaleni kwesoftware yevidiyo ye-desktop. Ividiyo yisapho elinye apho i-cap iphezulu ngokwaneleyo ukuba ikhuphe ixesha, hayi umda, yiyo into oza kuyiqaphela.

Yintoni eyenza i-audio, isicatshulwa esingaphantsi kunye nengoma yesiqalo?

Zithunyelwe ngaphaya. Iindlela ezininzi zosandi, iindlela ezifakiweyo zomxholo ophantsi kunye nabaphawuli besiqendu baphila apho injongo yomgcini ingabonisa khona - le nto iphambili ehlula umsebenzi olungileyo ukusuka kwi naive re- encoding egcina ngokucothayo kuphela indlela enye.

Kutheni i MP3 inxuwa liququzelela Cima MP4?

MP3.to ibekwe phantsi kwefomati eyenza umsindo ophathekayo oqhelekileyo: odlalayo jikelele, omncinci ngokwaneleyo ukulibaziseka, nolahlekelwe ngumsindo ngendlela ebalulekileyo kuphela ukuba ugcina ukuphinda ukhowudi. Uluhlu lwemisebenzi yesandi: umntu ofanayo ofuna ubungakanani obutshintshiweyo uhlala efuna ifayile yokutywina, ethe nkqo okanye eyenziwe incinane kwimeko efanayo. Ukubeka Cima MP4 ngasemva kokukhuphela okufanayo, icaps ezifanayo neakhawunti efanayo iguqula i-tabs ezintathu zibe enye.

Ndiza kwenza ntoni ngeziphumo xa i Cima MP4 igqityiwe?

Umguquli kule ndawo uhambisa umsindo phakathi kwe MP3, WAV, FLAC, M4A, OGG ne Opus, ngoko ubungakanani bemveliso bugqibo onokuthi ushiye kude kube sekupheleni kunokuba ubeke phambili ekuqaleni. Ukwenza oko emva Cima MP4 kunokuba phambi ithetha ukuba ukukopela kwenziwa kabini, kwifayile oyibeke ngokuqinisekileyo, endaweni yexesha elinye.

Ingaba Cima MP4 apha isixhobo esifanayo esisebenza kumasayithi afana nalowo?

Iinjini zinikezelwa - i ffmpeg efanayo yokwakha, abasebenzi abafanayo, imida efanayo. Oku MP3 inxuwa lidibanisa yindawo yokujonga malunga nebitrates, malunga nokuba iphila njani ikhowudi kunye malunga nokuba xa i-lossless intermediate ixabiso ixesha lokulayisha. Iqala kwakhona kwinyani enye malunga nefomati le ndawo ibizwa emva: Ii-frames ze-MP3 zii-blocks ezinobungakanani obumiselweyo, ngoko ukutywina kuwela kumda we-frame kwaye abaphawuli bokudlala abangena-thuba ababuyi kuqhubeka nokuphinda bakhowudi.

Ndifuna i-akhawunti, kwaye ngaba kukho into egcinwa?

Akukho akhawunti, kwaye akukho nto igcinwa: ulayisho lususwa abasebenzisi emva kokuba umsebenzi ugqibile, akukho nto ifundiweyo kwaye akukho nto iqulathe isiqulathi seefayili. Iiakhawunti ezikhululekileyo zikhona kwimbali kunye nobungakanani beqela, hayi kwi access.