MP2 ndi audio layer kuti anayamba MP3, ngakhale kugwiritsira ntchito mu digito radio ndi kufalitsa chifukwa decoding ndi yosavuta komanso yolimba.
Ntchito Zofala
Broadcast audio
DVD audio
Legacy media
MP2 Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu
Kodi ndi MP2 audio wapamwamba?
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MP2 ndi mtundu wa audio wopanda kusowa. Encoder imachotsa ma frequencies osadziwika ndi ma sounds opanda kusowa kuti ifike pa kukula kwa fayilo pafupifupi theka la mtundu wopanda kusowa. Kusinthanso MP2 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 MP2?
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MP2 compresses ndi modeling zimene nkhope sadzaona - chisoni maganizo ozungulira pansi olimba, ma frequencies pa malire a kumvetsera - ndi mwamsanga kuchotsa izo. Pa bitrate bwino kuti ndi inaudible kwa pafupifupi aliyense. zimene sizosatheka ndi reversible, kotero kusintha kuti lossless mtundu amateteza dziko latsopano kuposa kubwezeretsa oyambirira. MP2 ndi lossy koma amagwiritsa ntchito zosatheka filterbank kuposa MP3, nthawi zambiri kuyendetsa pa 192 mpaka 384 kbps.
Nchifukwa chiyani pulogalamu yofalitsa ndi yolemba ima insist pa MP2?
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Chifukwa cha zonse mzere anapangidwa pa izo. Playout ma seva, DVD authoring zipangizo ndi ingest zipangizo anafotokozedwa m'munsimu format pamene izo zinali zatsopano, ndi zipangizo ndi zaka makumi awiri ntchito moyo si anapeza re-anafotokozedwa. Fayilo kutuluka mwa iwo zipangizo ndi format dongosolo anapangidwa kuti emit, si kusankha aliyense anachita zaka zaposachedwapa. MP2 ndi kwambiri yolimba kuti bit zoipa ndi yosavuta ku decode, amene ndi chifukwa chake kufalitsa masamba anasiya pa izo nthawi yaitali pambuyo MP3 anafika.
Nchifukwa chiyani fayilo yanga MP2 imawonekera popanda dzina la nyimbo kapena ntchito yachikhalidwe?
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Chifukwa cha mtunduwu sikuti uli ndi malo okwanira kuti uzisunga. MP2 idafotokozedwa m'mawu okha, popanda malo oyenera kwa dzina, albumi kapena chithunzi cha bokosi, choncho osewera amabwereranso kukuwonetsa dzina la fayilo. Kusintha kwa mtundu wokhala ndi ma tag ndi zomwe zimapangitsa kuti laibulale ikhale yosakata - ma tag amalemba nthawi yosintha, osati kubwezeretsedwanso, choncho muyenera kuyembekezera kuti mudzadzaza chilichonse chomwe chimachokera. MP2 amafuna kwambiri bitrate kuposa MP3 kapena AAC kwa ubwino wofanana ndi sizikudziwika kwa ambiri wosuta mapulogalamu.
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 fayilo ya MP2 ingagwiritsidwe ntchito ndi 5.1 surround mix?
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Yes — format imagwira bwino ntchito ndi ma channels ambiri kuposa awiri, kotero kuti surround mix imasunga ma channels ake ophatikizidwa m’njira yoyenera, osati kuikidwa mu stereo. Kodi mumamva ngati surround kumadalira pa mbali ya mbali: wolandirayo adzachotsa ma channels onse, foni idzalowetsa ma sounds pa nthawi yosewera, ngakhale. Kusintha kwa stereo format imachititsa kuti ma channels azikhala ophatikizidwa m’njira yoyenera.
Kodi ndi chinthu chofunika kuti MP2 ali 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. MP2 ndi MPEG-1 Audio Layer II, latsopano latsopano la MP3 ndi MP3 ndi mtundu wa audio standard kwa DVB ndi DAB kufalitsa.
Nchifukwa chiyani fayilo ya MP2 siyidzasewera mu browser yanga?
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Mawebusayiti amachotsa mawu osakira m'mndandanda wafupi wa mawu osakira ndipo MP2 ndi kunja kwa mndandandawu, kotero fayilo imatsitsa popanda kusewera kapena wosewerayo amatumiza vuto. Mapulogalamu a desktop ndi ma codec osiyanasiyana amatsegula popanda vuto. Ngati mawu osakira amayenera kusewera patsamba la webu, kusinthidwa kwake ndi njira yoyenera - palibe kukonzekera kwa wosewerayo kuwonjezera mawu osakira omwe mawebusayiti satumiza.
Kusintha MP2 kuti MP3 - universal playback ndi ochepa kukula kwa fayilo. Kwa high-fidelity kugawana ndi audiophiles, kusintha FLAC kapena WAV kuteteza mtundu wa asalo.
