Mataki na 1: Loda naka MOV 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
MOV zuwa VOB Tambayoyin da ake yawan yi game da Canzawa
Ta yaya zan sake encode MOV zuwa VOB ba tare da rasa ingancin bidiyo ba?
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Ka saukar da fayil ɗinka MOV 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. A MOV a kan yi amfani da H.264 ko HEVC ga bayarwa, ko ProRes idan shi ne mai gyara master, tare da AAC ko uncompressed PCM sauti. 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.
Me yasa zan canza MOV zuwa wani nau'i na da ya fi dacewa kamar VOB?
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Saboda wasu kayan aiki ba su taba koyon wani abu mai sabon ba kuma ba za su taba ba. Masu wasa da DVD, na'urorin da ke cikin mota, da kuma hanyoyi na wasa da kamfen, da kuma shirye-shiryen nuna masana'antu da kuma wasu kayan aiki na watsa labarai suna karɓar VOB da kuma babu wani abu. Canja wurin yana da wani mataki na da'awar a cikin inganci, da aka saya a matsayin musayar aiki akan na'ura da ba ta da wani zaɓi na daban. VOB na kiyaye duk DVD payload - da yawa angles, da yawa audio harsuna da subtitles layuka duka tsira cikin shi.
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 MOV zuwa VOB?
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Yanzu. Idan MOV 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 MOV zuwa VOB?
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A matsayin diff, na'am — 24fps MOV zai zauna 24fps a cikin VOB; 60fps MOV 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 MOV zuwa VOB?
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Re-mux na codec-daidai (MOV 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. VOB ne raba a kan fayiloli, za a iya CSS-crypted, da ke da navigation packets da shakka general-purpose 'yan wasa.
Menene lokacin da za'a yi wa canja bidiyo mai awa 1 zuwa MOV 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 MOV → 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 MOV 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 MOV and VOB containers support it.
Shin MOV 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.
Ba a cikin mataki guda ba - amfani da /video-trim/ ko /video-cutter/ don a kwance farko, sa'an nan kuma a gudanar da MOV → VOB canji. Kashe-kashe da canja shi ne mafi sauri fiye da sake-saukar da duk MOV kawai don a rufe bidiyo da ba'a amfani da shi ba.
Me ya sa fayil VOB ya yi duhu idan aka kwatanta da wurin asali MOV?
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Kafin kowace lokaci, wani tsari ne na bitrate-too-low. Sake-saukar da lissafi daga MOV mai tsananin bitrate zuwa VOB na CRF na diff yana da matukar tashe a kan hotunan da suke da yawa na motsi. Ka saukar da CRF zuwa 16-18, ko ka sanya wani bitrate na manufa mai bayyananne wanda ya dace da ma'anar MOV, kuma VOB zai sake samun haskensa. MOV ne format professional mawallafa tambaya ga, saboda shi ya tsira da sake-run round-jirgi ta hanyar Final Cut Pro, Premiere da DaVinci Resolve ba tare da generational asara.
