WMA (Mawindo Media Audio) ndi zomvetsera psinjika mtundu kukula Microsoft. Amagwiritsidwa ntchito kwambiri kusonkhana ndi nyimbo pa intaneti.
Ntchito Zofala
Windows audio
Music libraries
Audio streaming
WMA Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi WMA audio wapamwamba?
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WMA ndi lossy audio mtundu. Encoder amachotsa inaudible ma frequencies ndi masked maganizo kuti afike wapamwamba kukula pafupifupi theka la uncompressed equivalent. Re-encoding WMA kuti wina lossy mtundu amachititsa kuwonongeka kwa mtundu; kusintha kuchokera lossless master pamene ndi kotheka.
Kodi kuchuluka kwabwino kwatha kuwonongeka m'fayilo ya WMA?
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Chomwecho, choyamba cholembacho chinaganiza kuti chidzawononge, ndipo sichingathe kubwezeretsedwanso. WMA chimachotsa popanga zomwe nkhope sizingawone - maganizo olimba omwe ali pansi pa olimba, ma frequencies pa maziko a kumvetsera - ndi kuchotsa kwa nthawi yayitali. Pa bitrate yolimba yomwe siyimadziwika kwa anthu ambiri. Zomwe sizosinthika, chifukwa chake kusinthidwa ku mtundu wopanda kusowa kumateteza dziko latsopano kuposa kubwezeretsa mtundu woyamba. WMA ndi lossy mwa default, mu ASF chidebe, ndi lossless ndi mawu-optimised mitundu yomwe ndi yosadziwika anakumana.
Chifukwa chake ali ndi zonse zokhudzana ndi diski popanda kuwononga chilichonse cha izo - chilichonse cha mawu, chilichonse cha subtitle, mnda wazaka - mu fayilo imodzi. Izi ndi zosasinthika zoyenera pamene cholinga ndi kuika uthenga wa oyambirira, ndipo zosayenera pamene fayilo iyenera kusewera pa chipangizo chomwe chimamvetsa mtundu wotumizira. WMA compressed bwino kuposa mp3 encoders nthawi imeneyo ndi kumakhala wowerenga ndi Windows Media Player ndi zaka za PlaysForSure zipangizo.
Yes — format imagwira bwino ntchito ndi ma channels ambiri kuposa awiri, kotero kuti surround mix imasunga ma channels ake ophatikizidwa moyenera, osati kuikidwa mu stereo panjira. Kodi mumamva ngati surround kumadalira pa mbali ya mbali: wolandirayo adzachotsa ma channels onse, foni idzalowetsa panthawi yosewera popanda vuto lililonse. Kusintha kwa stereo-only format kumachititsa kuti kuikidwa kukhale kosalekeza.
Nchifukwa chiyani fayilo ya WMA siyidzasewera mu browser yanga?
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Mawebusayiti amachotsa mndandanda wafupi, wokhazikika wa ma audio formats ndi WMA ndi kunja kwa izo, kotero fayilo imatsitsa pamalo osewera kapena wosewerayo amadziwitsa vuto. Makompyuta a desktop ndi sewero la codec layikulu limatsegula popanda vuto. Ngati ma audio amayenera kusewera patsamba la webusaiti, kusinthidwa kwake ndi kusinthidwa - palibe kuwongolera kwa wosewerayo kuwonjezera decoder yomwe msakatuli satumiza.
Nchifukwa chiyani WMA imagwira ntchito bwino pa Windows?
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Popeza chomeracho ndi chimodzi mwazinthu zothandiza. WMA idafotokozedwa m'ma codecs a Microsoft, ndipo palibe chilichonse chomwe chimachokera ku Windows chomwe chimatumiza decoder kwa iwo - choncho fayilo imatsegulidwa, imadziwitsa nthawi yake, ndipo imapanga chithunzi kapena mawu onse. Kukhazikitsa codec pack ndi yankho lakale komanso lolimba; kusinthira payload kukhala chinthu chomwe chilichonse cha platform chimasintha ndicho cholimba.
Kodi ndiyenera kusintha bwanji mafayilo anga a WMA?
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Kugwirizana ndi malo osankhidwa, si cholinga. Kwa nyimbo, 256 mpaka 320 kbps ndi zosaoneka kwa aliyense womvetsera; kwa mawu ndi podcasts, 96 mpaka 128 kbps ndi zambiri ndipo amadula fayilo yachiwiri. Kulemba mawu kudzera pa ma bitrate ochokera kumawononga malo - amasunga mawu omwe kale apita kudzera pa lossy pass ndipo sabwezeretsa chilichonse chomwe chimatulutsidwa ndi wolemba mawu woyamba.
