OGG Vorbis imapereka kukanikiza kwapamwamba kwa mawu kofanana ndi MP3 koma kwaulere komanso kotseguka.
Ntchito Zofala
Mapulogalamu otsegukaudio
Ma audio ndi zotsatira za mawu pamasewera
Kumvetsera nyimbo popanda ndalama zolipirira chilolezo
OGG Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi OGG audio wapamwamba?
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OGG ndi mtundu wa audio wopanda kusowa. Kodila yachotsa ma frequencies osamvetseka ndi mawu obiriwira kuti ifike pa kukula kwa fayilo koposa theka la mtundu wopanda kusowa. Kusinthanso OGG kukhala mtundu wina wopanda kusowa kumabweretsa kuwonongeka kwa mtundu; kusintha kuchokera ku master yopanda kusowa pamene kuli kotheka.
Kodi kuchuluka kwabwino kwatha kuwonongeka m'fayilo ya OGG?
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Chomwecho, choyamba cholembacho chinaganiza kuti chidzawononge, ndipo sichingathe kubwezeretsedwanso. OGG chimachotsa popanga zomwe nkhope sizingawone - ma sounds oyera omwe ali pansi pa olimba, ma frequencies pa ma edge a kumvetsera - ndi kuchotsa kwa nthawi yayitali. Pa bitrate yolimba yomwe siyimadziwika kwa anthu ambiri. Zimene sizosinthasintha, chifukwa chake kusintha kwa mtundu wopanda kuwonongeka kumateteza dziko latsopano kuposa kubwezeretsa mtundu woyamba. Vorbis m'ma OGG ndi lossy ndi amagwiritsa ntchito kusinthasintha bitrate mwa kuipa, kotero ubwino ndi kuika monga mbali kuposa fixed kbps figure.
Nchifukwa chiyani zinthu zambiri za webusaiti zimaperekedwa ngati OGG?
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Chifukwa cha izi, imapangidwa kuti ikwaniritse ntchitoyi: mafayilo ang'onoang'ono, kukhazikitsidwa kwamphamvu, palibe plugin ndi lisensi yokhumudwitsa. Izi zimapangitsa kuti zikhale zabwino pakutumiza ndi zosadziwika pazinthu zonse - zosintha, ma galleri a foni ndi zida zakale zimazi ignore. Kusintha kwa mtundu wazofunikira ndi zomwe zimapangitsa kuti zinthu zomwe zatsitsa zitha kugwiritsidwa ntchito pa intaneti. OGG Vorbis amadula MP3 pa bitrate yofanana ndi kunyamula palibe ndalama licensing, chifukwa chake masewera injini ndi open-source mapulogalamu anatenga izo wholesale.
Kodi OGG ikuthetsedwa?
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Sikuti ikuchoka mwamsanga, koma mnda wa mafayilo atsopano umakula ndi zida zina zowonjezera zomwe zimathandiza. Fayilo yoponya imakhala yowerenga kwa nthawi yaitali. Mtengo wogwira ntchito ndi kuti kusamalira archive mu mtunduwu ndi bwino, koma kukhazikitsa ntchito yatsopano m'njira imeneyi kumatanthauza kuvomereza mnda wa mapulogalamu omwe akuwonjezeka.
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.
Kodi OGG idzasewera mobwerezabwereza patsamba la webusaiti?
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Ndikukhulupirira. OGG ndi imodzi mwamaudindo a audio omwe amagwiritsa ntchito masamba, motero amatha kutulutsidwa m'mawu a audio kapena wosewera podcast ndipo amagwira ntchito zonse popanda plugin kapena fayilo ya fallback. Izi zimapangitsa kuti zikhale zotetezeka zofalitsa, ndipo chifukwa chake kusinthira kujambula kwa exotic ku format iyi nthawi zambiri ndi njira yofupikitsa kuti ikhale yosewera patsamba.
Kodi ndiyenera kusintha bwanji mafayilo anga a OGG?
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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 fayiloyo ku theka. Kulemba mawu kudzera pa ma bitrate ochokera kumawononga malo - amasunga mawu omwe kale apita ku lossy pass ndipo sabwezeretsa chilichonse chomwe chimatulutsidwa ndi wolemba mawu woyamba.
Kodi ndi ndani amene amayendetsa mtundu wa OGG?
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Palibe munthu, m'njira imeneyi: zofunikira ndi za anthu, kukhazikitsa ndi ufulu kulemba, ndipo palibe kampani ikhoza kusintha mfundo za pambuyo pake. Izi ndi chifukwa chake zimawonekera m'mapulogalamu otsegulira ndi m'malamulo a archiving, komwe mtundu woyang'anira ndi wogulitsa mmodzi ndi vuto. Kugulitsa ndi kuthandizira kwachuma - nthawi zambiri ndi mtundu ndi zofunikira zabwino kwambiri ndi kugwirizana kwa chipangizo cha patchiest. OGG ndi Xiph.Org chidebe, nthawi zambiri kunyamula Vorbis audio, anapangidwa mu 2000 monga patent-free kusintha kwa MP3.
Ndi OGG lossy kapena lossless?
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OGG ndi lossy - encoder amachotsa deta encoder akatswiri kukhala inaudible kuti afike m'lifupi wapamwamba kukula. OGG ali woipa hardware thandizo - car stereos, zakale iPods ndi TV ambiri sadzaona fayilo pa zonse.
