Komwe zilembo zing'ono zing'ono zimakhala: zamkati ndi zakunja
Fayilo ya kanema (MKV, MP4) ndi chidebe chomwe chimanyamula nyimbo ya kanema, nyimbo ya phokoso ndi nyimbo za zilembo zing'ono zing'ono nthawi imodzi. Zilembo zing'ono zing'ono zosindikizidwa mkati ndi zamkati; fayilo yosiyana ya .srt / .ass yomwe ili kunja ndi zakunja, ndipo nyimbo yamkati imatchedwanso muxed in.
Zilembo zing'ono zing'ono zakunja zitha kugwiritsidwa ntchito momwe ziliri. Vuto ndi zamkati: kuzisintha, kuzimasulira kapena kumanga nyimbo ya zilankhulo ziwiri kuchokera ku zoyambirira, mulibe fayilo ya zilembo zing'ono zing'ono m'manja — muyenera kuwerenga nyimboyi kuchokera mu chidebe poyamba. Gawo lino siliri transcoding: kanemayo sakonzedwanso, data yokha yosungidwa kale mu chidebe ndiyo yowerengedwa.
Chidebe chiti chomwe chimanyamula chiyani
Zidebe zosiyanasiyana zimanyamula mitundu yosiyanasiyana ya zilembo zing'ono zing'ono, ndipo vuto la kuchotsa limasiyananso:
Chifukwa chiyani zilembo zing'ono zing'ono za zithunzi zingachotsedwe
Blu-ray PGS ndi zilembo zing'ono zing'ono za DVD zilusunga zilembo zilibe, zithunzi zokha zomwe zili ndi alpha channel. Wosewera akazionetsa amakhala akumata chithunzi, osati kupanga mawu.
Chifukwa chake palibe mawu mu nyimbo yotereyi oti uwerenge — sizowuti chidachi sichikuthandizira, ndizowuti palibe zilembo zili kumeneko. Tsambali limanena momveka bwino likakumana ndi imodzi.
Njira yokha yopezera mawu ndiyo kuzindikira zilembo zomwe zili m'zithunzizo poyamba (OCR) ndikumanga zilembo zing'ono zing'ono kuchokera pamenepo. Iyo ndi njira yosiyana ndi kuchotsa nyimbo.
Zomwe nthawi zambiri zimabwera pambuyo pochotsa
Zomwe zimachoka ndi nyimboyo momwe inaliri: chidachi sichiganiza encoding ndipo sichikonza nthawi. Kotero zinthu ziwiri zimabwera kawiri:
Chimodzi ndi mawu osweka — vuto la encoding mu nyimbo ya gwero lomwe limatuluka losweka choncho; pitani ku How to repair garbled text kuti muzindikire encoding. Chinacho ndi nthawi yolakwika — kaya gwero lili ndi logo ya intro, kapena mitengo ya ma frame sagwirizana, zotsatira zili ngati offset yonse; gwiritsani ntchito Timeline adjustment kuti muyike kapena kuchepetsa.
Pambuyo pake, kumasulira pitani ku Subtitle translation, ndipo kuti muzipange za zilankhulo ziwiri onani Two ways to make bilingual subtitles.
Zinthu zochepa zosavuta kulakwika
Kuchotsa zilembo zing'ono zing'ono sikusindikiza mu kanema. Kanemayo sakonzedwanso, kotero mtundu wa chithunzi ndi phokoso sizikhudzidwa.
Kuchotsa sikukhudza fayilo yoyambirira. Owerengaokha, osalebedwa nkomwe, ndipo palibe byte imodzi ya kanema yomwe imasinthira.
Fayilo yayikulu kukhala yochedwa si vuto la kulumikizana. Chidachi chimajambulitsa chidziwitso cha nyimbo block ndi block, ndipo fayilo ikakhala yayikulu imatenga nthawi yayitali; zonse zimachitika kwanuko.
Zilembo zing'ono zing'ono zakunja sizifuna tsambali. Ngati muli ndi .srt / .ass, pitani mwachindunji ku Format conversion; zilembo zing'ono zing'ono zosindikizidwa mkati mwa kanema zokha ndizo zimafuna kuchotsedwa poyamba.
Zida zogwirizana ndi malangizo
Kuti mumve zambiri zoyendera onani How to extract subtitles embedded in a video; kumasulira zomwe mumachotsa pitani ku Subtitle translation, kuti muzipange za zilankhulo ziwiri onani Two ways to make bilingual subtitles; za mawu osweka yambani ndi Garbled text repair.