WMV ndi Microsoft kanema kuchokera Windows Media era, compact kwa nthawi yake koma opanda pake pa chilichonse koma Windows.
Ntchito Zofala
Windows video
Streaming media
Legacy video
WMV Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi chiyani WMV video wapamwamba?
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WMV ndi Microsoft-native video wonyamula. It plays kunja kwa bokosi pa Windows koma nthawi zambiri amafuna codec pakiti kapena mnzake wosewera mpira kwina. Convert WMV kuti MP4 kwa kuwala kwambiri cross-platform thandizo. WMV compresses bwino kwa zaka zake ndi kumakhala mtundu PowerPoint, atsopano Windows chophimba recorders ndi kampani mabuku a media kuyembekezera.
Kodi ndi chiyani m'mafayilo a WMV?
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ASF stream — Microsoft's Advanced Systems Format, yopangidwa m'malo mwa kuwongolera kwa netiweki ndi kuwongolera kwa digito. Payload ndi Microsoft's own video ndi audio codecs, zomwe ndi zofunikira pa vuto la kugwirizana: chotengeracho chimapezeka pafupifupi kulikonse, ndipo zomwe zilimo sizimapezeka pafupifupi kulikonse kunja kwa Windows. WMV amabweretsa Microsoft yekha VC-1 kapena WMV3 kanema ndi WMA audio - codecs pafupifupi chilichonse kunja kwa Windows decodes mwachilengedwe.
Chifukwa ndi mtundu wa recorder's platform encodes natively, kotero kujambula ndalama pafupifupi palibe processing pamene makina ndi busy kuchita chinachake. Ndicho kusankha koyenera pamene kujambula ndi wopanda pake pambuyo pake - fayilo nthawi zambiri amafuna kusintha kuti akhoza kugawidwa, kusintha kapena kuphatikizidwa kulikonse kunja kwa dongosolo lomwe linamupangitsa. WMV ndi Windows Media Video, Microsoft ASF-ogwirizana mtundu kuchokera Windows XP era.
N'chifukwa chiyani msakatuli wanga sadzasewera fayilo ya WMV?
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Masamba osaka amapereka decoders kwa mndandanda wofupika wa mtundu, ndipo WMV si pa izo - kuvomereza, mtundu wa codec yomwe imalola, kapena nthawi yake yokha imaletsa. Fayilo si yowonongeka ndipo wosewera wa desktop adzatsegula, koma palibe chomwe mungachite patsambalo kuti mupange msakatuli. Kusintha ku web-native container ndi njira yokha yodalirika yosewera pagulu. WMV ndi mwamsanga m'mphepete mwa msewu: macOS, iOS, Android ndi aliyense browser ayenera decoders chitatu, ndi ena WMV owona kunyamula DRM kuti sizingatheke kusintha pa zonse.
Nchifukwa chiyani mavidiyo anga a WMV amasonyeza ma liwiro a comb pa chilichonse chomwe chimayenda?
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Chifukwa chake ndi interlaced. Zolemba mu mtunduwu nthawi zambiri zimachokera ku broadcast ndi DVD era, komwe chilichonse chimasunga ngati madera awiri a half-height omwe amatenga gawo la 50 la theka la mphindi. Progressive screen ikuwonetsa zonse ziwiri pamodzi, kotero kuyendetsa pakati pa ma exposition awiri amawoneka ngati kukongoletsa kwa horizontal. Deinterlacing pa kusintha kumapanga madera kukhala ma frame onse ndipo artefact imatha kutuluka bwinobwino.
Nchifukwa chiyani WMV kusewera kumathamanga kapena kuyendetsa bwino pa makina oyambirira?
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Chifukwa chake chimasinthidwa mu software. Ma decoders a hardware video amaphatikizapo mndandanda wokhazikika wa mafomu, ndipo WMV ndi kunja kwa izi pazinthu zambiri, kotero kuti chilichonse chimasinthidwa ndi CPU. Pa desktop yatsopano yomwe ndi yowononga; pafoni, laptop yakale kapena smart TV imawonekera ngati ma frame osunthira, mpweya wa fan ndi kutulutsa batri. Kusintha kwa mtundu wothandizidwa ndi hardware kumachotsa vuto lonse.
Kupatulapo ngati zinthu zina zimafuna kuti zichotsedwe. Formatiyo imangotsegula, ndipo palibe vuto la kusintha archive yomwe siyikuyambitsa mavuto, koma sikuti ndi komweko kumene ma tool kapena efficiencies akuyenda. Kwa chilichonse chokhudzana ndi zinthu zatsopano, formati yatsopano siyimawononga ndalama zowonjezera ndipo imaletsa kuti nkhaniyi ikhalepo zaka zingapo zapitazo.
Kodi ma subtitle amapita ku WMV fayilo?
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Pamodzi ndi izo, kapena m'malo mwake. WMV siyimakhala ndi ma subtitle ake okha, choncho njira ziwiri ndi.srt fayilo ya sidecar yomwe wosewerayo amayika pamodzi ndi kanemayo, kapena kulemba mawu m'ma frame nthawi yosintha. Sidecar imasunga ma subtitle omwe angasinthidwe ndi kusinthidwa koma imayenda ngati fayilo yachiwiri yomwe ndi yosavuta kuwonongeka; kulemba kumatha kuwononga chilichonse chosinthidwa koma sichingathe kulepheredwa pambuyo pake.
N'chifukwa Convert WMV kuti wina video mtundu?
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Konzani WMV kuti MP4 pamene mukufuna kusewera padziko lonse - webusaiti owerenga, zipangizo zamakono, smart TV ndi kusintha mapulogalamu onse kusewera MP4 natively. Konzani WebM kwa webusaiti embedding pamene ochepa kukula kwa fayilo zinthu.
Kodi WMV kusintha re-encode the video?
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Ngati codec m'matumba WMV ndi yogwirizana ndi chitukuko chofunikira, tikhoza kuwonjezera ma codecs ena (mwachitsanzo, HEVC, H.264) kuti agwirizane ndi mtundu wa kanema. Ngati codec si yogwirizana ndi mtundu wa kanema, tikhoza kuwonjezera ma codecs ena (mwachitsanzo, HEVC, H.264) kuti agwirizane ndi mtundu wa kanema.
