AVI ku VOB Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndingasinthire bwanji AVI kupita ku VOB popanda kubwezeretsa kanema wa kanema?
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Ngati ma kontena a AVI ndi VOB angagwiritse ntchito codec yomweyo (H.264, H.265, VP9, AV1), wosintha amabwerera ku remuxer: ma streams oyamba amakopedwa ndi byte-by-byte ku VOB kontena ndipo amasintha kokha. Remux ya 1 GB AVI ku VOB nthawi zambiri imatha m'masekondi a 5-15 ndi kuwonongeka kwabwino. AVI owona anayamba m'mbuyomo m'ma codecs m'madera: kuyembekezera MPEG-4 gawo 2 (DivX / Xvid), Motion JPEG kapena raw uncompressed mafano osati H.264. A VOB ali MPEG-2 kanema, AC-3 kapena PCM audio, ndi DVD subpicture subtitle masamba, anagawa mu 1 GB segments ndi DVD spec.
Kodi ndingawonjezera ma subtitle osankhika pamene fayilo ndi VOB?
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Ndikofunika. AVI ilibe nyimbo yogwiritsa ntchito yopanda malire, chifukwa chake ma subtitle a AVI amayenera kuphulika m'mavidiyo kapena kutumizidwa ngati fayilo ya sidecar yosiyana. VOB amabweretsa ma subtitle monga ma stream awo osankhidwa, chifukwa chake pambuyo posintha mutha kuwonjezera SRT track yomwe woyang'anira angagwiritse ntchito, kuchotsa kapena kubwezeretsa.
Kodi VOB imathandizira masamba olemba omwe AVI sanachite?
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Amachita. VOB amasunga masamba monga metadata ya kontena, kotero kuti kujambula kwanthawi yayitali kungagwiritsidwe ntchito pogwiritsa ntchito gawo lomwe limatha kusinthidwa pogwiritsa ntchito bar ya progress. AVI sichingakhalepo kuti ipereke mfundozi, chifukwa chake ngati chiyambi chidatumizidwa ndi mndandanda wa kapitoli, chidapezeka mu fayilo ya sidecar - bweretsani kuti musinthe ndipo chimalemba mu VOB. VOB amateteza zonse DVD payload - multiple angles, multiple audio zinenero ndi subtitle nyimbo zonse kupulumuka m'nyumba yake.
Kodi pali chinthu chosintha pakati pa mafomu awiri oyambirira monga AVI ndi VOB?
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Ngati chinthu chokhacho cha zida chikufunikira kukwaniritsa zolingazo. Mafomu awiriwa amachokera kunthawi yomweyo ya H.264, kotero palibe kusintha komwe kumagula chitetezo, kudalirika kapena kutsimikizika kwatsogolo - kumagula kugwirizana ndi chipangizo chimodzi chokha. Ngati cholinga ndicho kuteteza zithunzi zogwiritsa ntchito nthawi yayitali, kusintha kwa kontena latsopano, osati kumbuyo. AVI alibe native thandizo kwa codecs zamakono, kusinthasintha framerate, softsubs kapena owona kuposa 4 GB popanda hacks, ndi zake per-chunk overhead bloats fayilo. VOB ndi kugawidwa pakati pa mafayilo, angagwiritsidwe ntchito CSS-encrypted, ndi kunyamula navigation packets kuti kukhumudwitsa cholinga chazikulu osewera.
Kodi ma audio ambiri adzapulumuka kusinthidwa kwa AVI kupita ku VOB?
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Ndikoyenera - zonse zolemba za audio mu AVI (kuwunika kwa woyang'anira, mabungwe osiyanasiyana, mawu ofotokoza) amasungidwa mu VOB pamene chikwama chofunikira chimathandizira ma audio ambiri. MKV ndi MOV amayendetsa ma audio osatha; MP4 amathandizira ambiri koma ena osewera a hardware amawona kokha track 1; WebM imatha pa Opus / Vorbis track. VOB ndi Video Object wonyamula anapeza mu VIDEO_TS wapamwamba wa aliyense DVD - MPEG-2 pulogalamu mtsinje ndi DVD-osiyana kuyendera deta anawonjezera.
Kodi ma subtitle amasunga zosunga pamene AVI amasinthidwa kuti VOB?
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Ma subtitle olimba (ma tracks osankhika) amapulumuka pamene VOB angawagwiritse ntchito: MKV amagwiritsa ntchito SRT, ASS, SSA, PGS, VobSub mwachilengedwe; MP4 amagwiritsa ntchito mov_text (format yosasinthasintha). Kusintha MKV ndi subs a ASS ku MP4 kumawawononga kuti akhale mov_text kapena kuwalemba. Hardsubs (olembana mu kanema) amagwiritsa ntchito ngakhale.
Kodi AVI mpaka VOB amasunga masamba olemba / kuyendera kwa DVD?
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Metadata ya bokosi limasintha pakati pa AVI ndi VOB pamenepo onse awiri amapereka bokosi la atomu (MKV, MP4, MOV). WebM imasunga bokosi m'ma block ogwirizana ndi Matroska, choncho MKV <-> WebM bokosi limayenda molimba. AVI sichimakhala ndi bokosi la spec, choncho kusintha kwa AVI ku VOB kumabweretsa fayilo yosasinthika ngati simuwonjezera ma markers m'manja.
Kodi ndi chiyani za MKV zowonjezera (fonti, kusindikiza) pamene mukupita AVI ku VOB?
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MKV ndi yokha mainstream yokhala ndi ma fayilo ophatikizidwa (TTF fonts for ASS subs, JPG cover art, fan-translated PDF inserts). Kuchokera ku AVI kupita ku VOB kumachotsa ma attachments pamene VOB si MKV - ma streams elementary amasinthidwa, koma payload ophatikizidwa amakhala m'malo ochokera. Tengani AVI ngati chitetezo ngati mumatengera ma fonts ophatikizidwa.
Kodi codec yomwe VOB imagwiritsa ntchito ndi yosasinthika?
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Kodiyi ya default imasankhidwa kuti igwirizane ndi VOB yokhala ndi katundu: MKV imasinthidwa kukhala H.265 (HEVC) kuti ikhale yolimba kwambiri; MP4 imasinthidwa kukhala H.264 kuti ikhale yolimba kwambiri; WebM imasinthidwa kukhala VP9; AVI imagwiritsa ntchito MPEG-4 ASP (DivX / Xvid linage).
Kodi HDR (HDR10, Dolby Vision) imatha bwanji AVI mpaka VOB?
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HDR static metadata (HDR10 mastering display values, max content light level) imatha kupita ku VOB pamene ma kontena awiri ndi codec osankhidwa amathandizira (HEVC, AV1 mu MKV / MP4). Dolby Vision ndi wolimba kwambiri - DV profile 5 / 7 / 8.1 mu AVI nthawi zambiri amapulumuka okha ku MKV ndi HEVC; kusinthidwa ku VOB kontena lomwe silitha kunyamula gawo la DV limatha ku HDR10.
Kodi wosinthira AVI mpaka VOB adzasunga kusinthasintha kwa framerate (VFR)?
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MKV ndi WebM amalemba ma timestamps a real-frame ndi kuwongolera VFR mwanjira yachibadwa, kotero kuti AVI VFR imatha kukhala ndi VOB ya mafomuwa popanda kubwezeretsa. MP4 imasunga nthawi yowonjezerapo koma ena osewera amaganiza kuti CFR; wosintha amatulutsa "kulepheretsa CFR" kuti abwezeretse VFR AVI ku 24 / 30 / 60 fps VOB kwa zolinga zosatheka.
Nchifukwa chiyani fayilo yanga VOB ndi yaying'ono / yayikulu kuposa AVI pambuyo posintha?
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Remux ya codec yomweyo imatulutsa kukula kwakukulu (kuphatikiza kwa kontena kumasiyana ndi 0.1-2%). Kusintha kwa codec kungapangitse kukula kwa 50% kapena kuposa: H.264 kupita ku H.265 kumatha kuchepetsa fayilo pazomwe zimawoneka bwino; H.264 kupita ku AV1 kumatha kuchepetsanso panthawi ya slow.Kuchokera ku high-bitrate AVI (Blu-ray rip) kupita ku low-bitrate VOB (kutsitsa pa intaneti) ndichifukwa chofala kwambiri cha kugwa kwakukulu.
