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 VOB fayiloli
AVI zuwa VOB Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan sake encode AVI zuwa VOB ba tare da rasa ingancin bidiyo ba?
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Ka saukar da fayil ɗinka AVI kuma mai canzawa zai yi aiki da wani CRF-da aka gina kan sake-sauya-kodi mai nufin fitarwa mai gani-ba-da-hasara VOB (CRF 18 bisa diff, ƙananan kimar = fitaccen fayil / mafi kyawun inganci). An zaɓi codec don ya haɗu da VOB ƙofar — H.264 don MP4 mai girma, H.265 don MKV mai girma, VP9 ga WebM, AV1 ga sabon pipes. AVI fayiloli da suka wuce codecs na yau da kullum: kallon MPEG-4 Sashe 2 (DivX/Xvid), Motion JPEG ko kuma raw uncompressed frames a matsayin H.264. VOB na da MPEG-2 bidiyo, AC-3 ko PCM sauti, da DVD subpicture subtitle streams, raba zuwa 1 GB segments by the DVD spec.
Yanzu. AVI ba ta da wata hanyar amfani da sautin-ƙasa-ƙasa, don haka an buɗe sautin-ƙasa ga AVI abun ciki cikin hoton ko kuma an aika da shi kamar fayil na daban. VOB yana da sautin-ƙasa kamar yadda za'a iya zaɓar su a cikin ruwa, don haka bayan canjawa zaka iya haɗa wata hanyar SRT da mai kallo zai iya kunna, kashe ko kuma sake fasalin.
Shin VOB na goyon bayan alamun shafi da AVI ba ta goyon ba?
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Yana yi. VOB 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. AVI 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 VOB. VOB na kiyaye duk DVD payload - da yawa angles, da yawa audio harsuna da subtitles layuka duka tsira cikin shi.
Shin akwai wani maɓalli na canja tsakanin nau'ikan zane biyu kamar AVI da VOB?
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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. 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 da fayil. VOB ne raba a kan fayiloli, za a iya CSS-crypted, da ke da navigation packets da shakka general-purpose 'yan wasa.
Wanne codec na bidiyo ne fitarwa VOB take amfani dashi?
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Yana dogara ga kwandon VOB. MP4 na da ƙa'idodin H.264 domin mafi fadin goyon baya na wasa a kan wayoyin hannu, masu bincike, da Smart TVs. MKV na da ƙa'idodin H.265 / HEVC don kusan rabin girman fayil da inganci mai kama. WebM na da ƙa'idodin VP9. Zaɓuɓɓukan ci gaba suna nuna zaɓin codec mai bayyananne idan kana buƙatar canza shi. VOB shi ne akwatin Video Object da aka samu a cikin akwatin VIDEO_TS na kowace DVD - wani MPEG-2 shirin shirin da aka ƙara da DVD-na musamman na bayanai na tafiyarwa.
Shin za'a iya canza waƙoƙina na sauti daga AVI zuwa VOB?
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Yanzu. Idan AVI da VOB sun raba wani codec na sauti (misala, suna da AAC), za'a sake-muxed sauti ba tare da sake-encoding ba - bit-identical. Idan codecs sun bambanta, za'a sake-encoding sauti zuwa AAC / Opus / Vorbis dangane da abin da ƙuƙuman VOB ke goyon baya. An riƙe sauti na shirye-shirye da yawa (koyarwar, harsuna daban-daban).
Shin zan iya riƙe ƙimar firam na farko idan na canja AVI zuwa VOB?
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A matsayin diff, na'am — 24fps AVI zai zauna 24fps a cikin VOB; 60fps AVI zai zauna 60fps. Idan kana buƙatar canza adadin (misali, interlaced 29.97 → progressive 30, ko 60 → 30 don haɗe-haɗe), zaɓin adadin firam zai kula da 3:2 pulldown, deinterlacing, da frame-blending a cikin mataki na encoding guda.
Menene girman fayil ɗin da zai canza daga AVI zuwa VOB?
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Re-mux na codec-daidai (AVI H.264 → VOB H.264 kawai yana canja kwandon): kusan girman da ya daidaita. Canjin codec na iya yin tasiri: H.264 → H.265 na iya raba fayil zuwa rabin a matsayin ingancin gani; VP9 yana da daidaituwa; AV1 na yanke wani 20-30% amma yana da sauri wajen encoding.
Shin fayil VOB zai iya wasa a kan iPhone, Android, da Smart TVs?
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MP4 / H.264 yana wasa da asali akan kowane na'ura mai zamani. MOV / H.264 yana wasa a kan na'urorin Apple da yawa TV 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 ke zaɓar mafi aminci VOB codec / kwandon don manufarka.
Menene lokacin da za'a yi wa canja bidiyo mai awa 1 zuwa AVI zuwa VOB?
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Re-mux na codec-daidai yana kusa da lokaci-da-lokaci - sakan 30 zuwa 60 ga fayil na sa'a 1. An sake-encode na codec-da-gaske yana tafiya a kusan 0.3-0.7x lokacin asali a kan GPU pipeline ɗinmu, don haka 1-hour AVI → VOB ya ƙare cikin minti 18-40 dangane da daidaita da manufar codec.
Mene ne mafi girman ma'aunin rarraba da ake goyon baya ga AVI zuwa VOB?
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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 AVI and VOB containers support it.
Shin AVI bidiyo na na sirri ne yayin canjawa zuwa VOB?
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Yanzu. An yi amfani da fayilolin bidiyo da aka canza zuwa cikin aiki na musamman, ba a gani ba ta mutum, ba a sanya su cikin indiya ba, kuma an share su cikin mintina na kammalawa. An yi takardar tagar tsarewa a /privacy/ kuma ba mu wallafa wata ƙungiya ta koyarwar daga canzawa daga mai amfani ba.
