Mataki na 1: Loda naka AVI 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 MPG fayiloli
AVI zuwa MPG Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan canza AVI zuwa MPG ba tare da sake-saukar da saukar bidiyo ba?
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Idan AVI da MPG na iya ɗaukar codec guda (H.264, H.265, VP9, AV1), mai maida zai koma zuwa wani remux: ana kwafe maganganun farko bayt-by-bayt cikin MPG kuma kawai mai riƙe da shi ya canja. Wani remux na 1 GB AVI zuwa MPG na iya ƙarewa cikin sakan 5-15 da asarar inganci. AVI fayiloli da suka wuce codecs na yau da kullum: tsammani MPEG-4 Sashi 2 (DivX/Xvid), Motion JPEG ko kuma raw uncompressed frames a matsayin H.264. Abin da ke cikin shi ne MPEG-1 ko MPEG-2 bidiyo da MP2 sauti; muxing da GOP tsari suna daidai da fayil na.mpeg.
An raba AVI na rikodin zuwa sassa masu lamba - shin MPG na da daidaitacce?
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%s: Ba haka ba, kuma wannan ɗayan dalilan da suka fi kyau na motsa. Mai riƙe AVI yana da wani ma'aunin fayil guda wanda za'a iya amfani da shi wajen yin riƙe-riƙe mai tsawo ko mai tsayi, wanda shi ne dalilin da ya sa an samu riƙe-riƙe da yawa kamar ɓangare1, ɓangare2, ɓangare3. MPG ba shi da wani iyaka mai daidaitawa, don haka za'a iya sake haɗa ɓangarorin cikin fayil guda mai ci gaba. AVI ba ta da goyon baya na asali ga codecs na zamani, frame rate mai canzawa, softsubs ko fayiloli sama da 4 GB ba tare da hacks, da kuma per-chunk overhead bloats fayil.
Shin akwai wani maɓalli na canja tsakanin nau'ikan zane biyu kamar AVI da MPG?
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Idan wani ɓangare na kayan aiki na musamman ya buƙaci manufa. Formats biyu sun zo daga irin wannan lokacin da aka yi kafin H.264, don haka babu wani canji da ke siyar da inganci, inganci ko tabbatarwa a gaba - yana siyar da daidaituwa tare da wani na'ura na musamman. Idan manufar ita ce a riƙe bidiyo mai amfani da dogon lokaci, canja zuwa wani akwatin yanzu maimakon gefe. MPG na riƙe da duk wani MPEG-2 da ya ƙunshi - bitrate mai nauyi, interlacing, ba da softsubs - da kuma damuwa na biyu faɗaɗawa ga daya format.
Shin waƙoƙin sauti masu yawa za su iya tsira daga canji daga AVI zuwa MPG?
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Na'am — duk waƙoƙin sauti a cikin AVI (waƙoƙin mai shiryawa, yarukan dabam, waƙoƙin bayani) ana kiyaye su a cikin MPG idan mai nema na goyon bayan waƙoƙin sauti masu yawa. MKV da MOV suna kula da waƙoƙin sauti ba tare da iyaka ba; MP4 yana goyon bayan da yawa amma wasu masu wasa da na'urorin haɗi suna ganin waƙoƙin 1 kawai; WebM ana hana shi a waƙoƙin Opus / Vorbis guda. MPG shi ne irin shirin MPEG na ruwa kamar yadda.mpeg — fassara-harshe uku na ƙarshe shi ne DOS-era truncation, ba wani format daban ba.
An riƙe waƙoƙin sunaye-na-ƙasa idan an canja AVI zuwa MPG?
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Subtitles soft (tracks da ake iya zãɓewa) suna tsira idan MPG zai iya ɗaukar su: MKV yana da SRT, ASS, SSA, PGS, VobSub a matsayin native; MP4 yana da mov_text kawai (farashin da aka rufe). Canja MKV tare da ASS styled subs zuwa MP4 zai iya sa su kasa zuwa mov_text ko kuma a toshe su. Hardsubs (an toshe su cikin bidiyo) suna tsira duk da haka.
Shin AVI zuwa MPG na dauke da alamomin babi / DVD-style nasarar?
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Metadata na babi na canja tsakanin AVI da MPG duk lokacin da bangarorin biyu ke goyon bayan wani atom na babi (MKV, MP4, MOV). WebM na adana babi a cikin wani ɓangaren da ya dace da Matroska, don haka MKV <-> WebM na dauke da babi-zuwa-baya cikin tsabta. AVI ba shi da wani bayani na babi, don haka canja AVI zuwa MPG zai samar da fayil da ba a raba shi ba sai idan ka ƙara alamun shafi da hannu.
Me ya faru da canzawa daga AVI zuwa MPG?
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MKV shi ne mai sarrafa maɓallin maɓalli kawai wanda ke adana fayilolin da aka haɗa (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Zuwa daga AVI zuwa MPG yana daure waɗannan maɓallan idan MPG bai zama MKV ba — maɓallan elemental na canjawa, amma nauyin da aka haɗa yana zaune a cikin tushen. Ka riƙe AVI a matsayin madadin idan kana dogara da maɓallan da aka haɗa.
Mene ne kodeki na fitarwa MPG ke amfani da shi bisa diff?
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An zaɓi codec ɗin diff don ya haɗu da mai riƙe MPG da kyau: MKV diff zuwa H.265 (HEVC) don mafi kyawun ƙuntata; MP4 diff zuwa H.264 don mafi faɗin goyon baya na na'ura; WebM diff zuwa VP9; AVI yana amfani da MPEG-4 ASP (DivX/Xvid lineage). Yaƙin neman zaɓe ta hanyar jerin kayan aikin codec na ci gaba — AV1 yana da samuwa ga MKV / WebM inda kake so mafi girman ƙuntata kuma zaka iya jira ta hanyar ƙuntata. MPG shi ne fassara na DVD mai rubuta kayan aikin, da kamfen ɗin da aka fi sani da kuma kayan aikin shigar da watsawa suna ganewa, don haka yana da amfani ga waɗannan maɓuɓɓugan ruwa.
Ta yaya HDR (HDR10, Dolby Vision) zai iya tsira daga AVI zuwa MPG?
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Metadata na HDR na canzawa (HDR10 masu nuna kimar, matsakaicin matsakaicin matsakaici) yana tafiyar da MPG idan kowace ƙuƙumma da codec ɗin da aka zaɓa suna goyon baya (HEVC, AV1 a cikin MKV / MP4). Dolby Vision yana da tsananin rauni — siffar DV 5 / 7 / 8.1 a cikin AVI tana da ƙarfi kawai a cikin MKV tare da HEVC; canjawa zuwa ƙuƙumma MPG da ba ta da ɗakin DV yana daidaita zuwa HDR10.
Shin mai canza AVI zuwa MPG zai riƙe saurin firam mai canzawa (VFR)?
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MKV da WebM suna rikodin lokaci-da-firam na gaskiya kuma suna kula da VFR na asali, don haka AVI VFR yana tsira cikin MPG daga cikin waɗannan sifofin ba tare da sake-samuwa ba. MP4 na adana lokaci-da-samuwa kuma amma wasu masu wasa suna tsammanin CFR; mai maida yana nuna wani "ciwon CFR" toggle wanda ke sake-samuwa VFR AVI zuwa 24 / 30 / 60 fps MPG ga burin da ke da matsala.
Me yasa fayil ɗin MPG na ƙarami ne / ya fi girma fiye da AVI bayan canjawa?
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Same-codec remux na samar da girman da ya kusan daidai (cikin kwandon da ke da bambanci na 0.1-2%). Canjin codec na iya juya girman da 50% ko fiye: H.264 zuwa H.265 na iya raba fayil din da rabi da ingancin gani na daidai; H.264 zuwa AV1 na raba shi da rabi a kan wani ƙananan ƙayyadadden. Zuwa daga high-bitrate AVI (Blu-ray rip) zuwa low-bitrate MPG (web upload) shi ne dalilin da ya fi yawa na daina aiki.
Shin mai canza AVI zuwa MPG yana kula da abun ciki na 4K / 8K / 60fps?
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Na'am har zuwa 8K (7680x4320) akan Premium. Mataki na kyauta yana kula da 4K (3840x2160) har zuwa iyakar fayil na 1 GB. Remuxes na tsarki (dauke da codec guda) na AVI mai girma zuwa MPG ana iyaka da shi ta hanyar I/O na diski, ba CPU ba — AVI mai 30 GB na iyakance zuwa MPG cikin minti daya ko da yake da ma'aunin. Ana sake-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sauya-sa
