Mafayilo a MP3 amagwiritsa ntchito kukanikiza kosafunikira kuti achepetse kukula kwa fayilo pamene akusunga mtundu wabwino wa mawu kwa omvera ambiri.
Ntchito Zofala
Kusunga ndi kusewera nyimbo pazida zonyamulika
Kugawa ma podcasts ndi mabuku omvetsera
Kutumiza mawu pa intaneti
MP3 Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi MP3 audio wapamwamba?
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MP3 ndi mtundu wa audio wopanda kusowa. Wolemba mawu amachotsa ma frequencies osamvetseka ndi mawu opanda kusowa kuti afike pa kukula kwa fayilo koposa theka la mtundu wopanda kusowa. Kulembanso mawu kwa MP3 ku 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 MP3?
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Chomwecho, choyamba cholembacho chinaganiza kuti chidzawononge, ndipo sichingathe kubwezeretsedwanso. MP3 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. MP3 ndi lossy: psychoacoustic model amachotsa ma frequencies kuti nkhope sizingayembekezere kuti adziwe, makamaka pa 128 mpaka 320 kbps.
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 kopanira kwa oyambirira, ndipo zosayenera pamene fayilo iyenera kusewera pa chipangizo chomwe chimamvetsa mtundu wotumizira. Sichoncho beats MP3 kwa kugwirizana - car stereos, gym zida, DAPs ndi zaka makumi awiri hardware onse kuwerenga izo popanda funso.
Kodi ndi vuto kuti MP3 ili ndi zaka zoposa makumi atatu?
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Age yekha si vuto - angapo mtundu kuchokera kuti nthawi ndibe bwino, makamaka chifukwa chilichonse chili ndi zaka kuti akwaniritse iwo. Zimene zikukhudza ndi zimene nthawi anaganiza: mavidiyo ang'onoang'ono, mofulumira processors, palibe netiweki, ndi zizindikiro aliyense anafunikabe. Pamene zimene anaganizabebe, mtundu ndi bwino. Pamene iwo sachita, kuti ndi chifukwa chosintha. MP3 ndi MPEG-1 Audio Layer III, anamaliza mu 1993, ndibe kwambiri universally decodable audio mtundu kuti ali.
Kodi MP3 idzasewera mobwerezabwereza patsamba la webusaiti?
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Ndikukhulupirira. MP3 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 MP3?
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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 kusintha kumasintha kuchuluka kwa sampling ya MP3 audio yanga?
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Sichoncho ngati simukupempha kuti ichite zimenezi. Kusintha kumasunga mitengo ya machitidwe a m'mawu ochokera - 48 kHz imakhala 48 kHz, 44.1 kHz imakhala 44.1 kHz - chifukwa kubwezeretsa machitidwe a m'machitidwe ndi mtengo wotsika wabwino wopanda phindu pamene palibe chomwe chimafuna kuti. Zosagwirizana ndi izi ndi zachidziwikire: ma CD a nyimbo amafuna 44.1 kHz, ena mwa osewera a hardware oyambirira amavomereza chilichonse chokhudzana ndi izi, ndipo ma pipelines a mawu nthawi zambiri amafuna 16 kHz. Sankhani mitengo yokhayokha m'machitidwe amenewa ndipo musiya izi zipite.
Kodi ndingasinthe dzina la chidacho popeza MP3 sichisintha?
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Kwambiri nthawi zonse, ndipo ndi bwino kumvetsa chifukwa chake: kuwonjezeka ndi label, pamene bytes m'maganizo ndi zopangidwa kwa mtundu wina mfundo. Kusintha dzina amapanga fayilo amene dzina lake amalonjeza chinachake za zinthu zake sikuti kubweretsa, ndi zimene amatsegula izo kapena amakana fayilo kapena misreads izo. Mmodzi wa malire kupatula ndi awiri mtundu amene ndi weniweni ofanana wonyamula pansi pa dzina losiyana - ndi ngakhale pamenepo bwino rewrap ndi chitetezo kuposa kusintha dzina.
Ndi MP3 lossy kapena lossless?
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MP3 ndi lossy - encoder amachotsa deta encoder akatswiri kukhala inaudible kuti afike m'lifupi wapamwamba kukula. MP3 ndi mwaukadaulo outclassed ndi AAC ndi Opus pa zonse bitrate, sangathe kusungira zambiri kuposa awiri ma channels bwino, ndi nthawi zonse amawonjezera m'badwo wa encoder.
Kodi ndi ndalama zingati kuti kusintha kusintha kukula kwa fayilo?
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Kusintha MP3 kuti lossless mtundu monga WAV kapena FLAC amasunga kukula kwakukulu; kusintha MP3 kapena AAC pa common bitrates (192-320 kbps) amachepetsa wapamwamba ndi pafupifupi 5-10x ndi pang'onopang'ono kuzindikira kusintha kwa katundu.
