MP2 (MPEG Audio Layer II) ndi mtundu wophatikizika wamawu womwe umagwiritsidwa ntchito powulutsa komanso kuwulutsa mawu pa digito (DAB).
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 malire. Encoder imachotsa ma frequencies osamvetseka ndi ma sounds opanda malire kuti ifike pa kukula kwa fayilo pafupifupi theka la chigawo chosasinthika. Kusintha MP2 kukhala mtundu wina wopanda malire kumabweretsa kuwonongeka kwa mtundu; kusintha kuchokera ku master yopanda malire pamene kuli kotheka. MP2 ndi lossy koma amagwiritsa ntchito zosatheka filterbank kuposa MP3, nthawi zambiri ntchito 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 machitidwe anafotokozedwa m'munsimu format pamene izo zinali zatsopano, ndi zida ndi zaka makumi awiri ntchito moyo sitimalandira re-anafotokozedwa. Fayilo kutuluka mwa iwo machitidwe ndi format dongosolo anapangidwa kuti emit, si kusankha aliyense anachita posachedwapa. 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.
MP2 idafotokozedwa m'mawu okha, popanda malo oyenera kwa mutu, album kapena chithunzi chachithunzi, kotero osewera amabwereranso kukuwonetsa dzina la fayilo. Kusintha kwa mtundu wokhala ndi tag ndi zomwe zimapangitsa kuti laibulale ikhale yosakata - ma tag amalemba nthawi yosintha, osati kubwezeretsedwa, kotero yembekezerani kuwonjezera chilichonse chomwe chimachokera. MP2 amafuna kwambiri bitrate kuposa MP3 kapena AAC kwa ubwino wofanana ndi sizikudziwika kwa ambiri wosuta mapulogalamu.
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 ndi vuto kuti MP2 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 amene anaganizabebe, mtundu ndi bwino. Pamene iwo sachita, kuti ndi chifukwa chosintha. MP2 ndi MPEG-1 Audio Layer II, 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 mndandanda wafupi, wokhazikika wa ma audio formats ndi MP2 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.
