MP3 → MP2

Sinthani Yanu MP3 ku MP2 mafayilo mosavuta

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Kukweza

Momwe mungasinthire MP3 ku MP2

Gawo 1: Kwezani yanu MP3 mafayilo pogwiritsa ntchito batani lomwe lili pamwambapa kapena pokoka ndi kugwetsa.

Gawo 2: Dinani batani la 'Convert' kuti muyambe kusintha.

Gawo 3: Tsitsani pulogalamu yanu yosinthidwa MP2 mafayilo

MP3 ku MP2 Mafunso Ofunsidwa Kawirikawiri Okhudza Kusintha kwa Anthu

Kodi ndingasinthire bwanji MP3 audio ku MP2 popanda kuwononga mtundu?

Kutsitsa fayilo ya MP3 ndipo wosinthira amasankha MP2 codec ndi bitrate kuti agwirizane ndi chiyambi. MP2 yopanda kusowa (WAV / FLAC / ALAC) imateteza zonse zomwe zimafanana; MP2 yowonongeka (MP3 / AAC / OGG / Opus) imayikidwa ku 192 kbps yomwe ndi yosawoneka bwino kwa amayi ambiri. MP3 ndi lossy: psychoacoustic model amachotsa ma frequencies kuti nkhope sizingayembekezere kuti adziwe, makamaka pa 128 mpaka 320 kbps. MP2 ndi lossy koma amagwiritsa ntchito zosatheka filterbank kuposa MP3, nthawi zambiri ntchito pa 192 mpaka 384 kbps.

Kodi kusinthira MP3 ku MP2 ndi gawo lachiwiri la kutsitsa kwa lossy?

Ndikukhulupirira kuti ndinu oyenera, ndipo ndibwino kuti mupange. Mafomu awiriwa ndi owonongeka, choncho MP2 encoder akuchita ntchito kuchokera ku audio yomwe yakhala ikuyenda mwa psychoacoustic pass, ndipo masankho ake oyamba amapanga gawo loyamba. Pa 192 kbps kapena pamwambapa, zotsatirazi ndizosawoneka bwino kwa ambiri owerenga. Ngati muli ndi master yopanda kuwonongeka, kulemba koyamba kwa MP2 kuchokera ku yomwe imalepheretsa kupitanso koyamba.

Kodi malemba anga a nyimbo ndi album art adzapulumuka kusinthidwa kwa MP3 ku MP2?

Siyimagwira ntchito. MP3 imathamanga ndi metadata block yoyenera, koma MP2 siyimagwira ntchito yoyenera ya woimba, album, track number kapena cover art, choncho ma tag amatulutsidwa mosasokonezeka. Tengani MP3 ngati kopita kosindikizidwa, kapena kulembanso kosindikizidwa pambuyo pake ndi chida monga Mp3tag kapena MusicBrainz Picard. MP2 amafuna kwambiri bitrate kuposa MP3 kapena AAC kwa ubwino wofanana ndi sizikudziwika kwa ambiri wosuta mapulogalamu.

Kodi fayilo yochokera ku MP2 idzagwiritsa ntchito bitrate iti?

Mtengo woyambirira ndi 192 kbps kwa lossy MP2; pass-through kwa lossless MP2. Chotsani 320 kbps kwa audiophile kapena 96 kbps kwa mawu / podcast. Chosankha chimasintha kukula kwa fayilo motsutsana ndi kumvetsera; pansi pa 96 kbps lossy artifacts amawoneka pa nyimbo.

Kodi kuchoka ku MP3 kupita ku MP2 kumachepetsa mtundu wanga wa audio?

Ngati MP3 ndi lossy ndipo MP2 ndi lossless (mwachitsanzo MP3 → WAV), MP2 si yabwino kuposa MP3 — simungathe kubwezeretsa zambiri zomwe zatulutsidwa. Ngati MP3 ndi lossless ndipo MP2 ndi lossy, MP2 codec imabwezeretsa; pa 192 kbps zotsatira zake ndi zosawoneka bwino kwa zinthu zambiri.

Kodi wosintha MP3 kupita ku MP2 amasunga ID3 / metadata tags?

Ndiyo — mutu, woimba, album, chaka, mndandanda wa nyimbo, ndi zithunzi za album zimawerengedwa kuchokera ku MP3 ndipo zimalemba ku MP2 komwe mtundu umathandizira ma tag. Zomwe zimadziwika bwino (MP3, AAC, FLAC, OGG) zimasamalira ma tag bwino; WAV yosapanga dzimbiri siyichita. MP2 ndi MPEG-1 Audio Layer II, latsopano la MP3 ndi MP3 ndi mtundu wa audio standard kwa DVB ndi DAB kufalitsa.

Kodi ndingasinthire mamiliyoni a MP3 mafayilo ku MP2?

Yai - tidzayika fayilo ya MP3 ndipo tidzazipanga mofanana. Premium ili ndi ogwira ntchito ambiri mofanana ndi malire a fayilo, kotero fayilo ya 500 imatha m'maola angapo osati m'maola angapo.

Kodi MP2 idzakhala ndi kuchuluka kwa sampling yomweyo ngati MP3?

Mwa default yes — 48 kHz MP3 imakhala 48 kHz mu MP2. Ngati mukufuna kuchepetsa kusamvana kwa ma CD (96 kHz → 44.1 kHz kwa kulemba CD), kusankha kwa kusamvana kwa ma CD kumagwiritsa ntchito kusamvana kwabwino kwambiri panthawi yolemba ma CD.

Kodi ndingasinthire kuwala kwamphamvu pamene ndikusintha MP3 kupita ku MP2?

Ndiyo — njira yosintha mawu kuti akhale oyenera imagwiritsa ntchito ITU-R BS.1770 / EBU R128 kuti ikhale yoyenera kwa MP2, yolenga -14 LUFS (zoyenera kusewera) kapena -16 LUFS (zoyenera kusewera podcast).

Kodi MP2 yanga idzasewera pa stereo yagalimoto, iPod, ndi Sonos?

MP3 imasewera kulikonse. AAC imasewera pa Apple, ambiri a Android, ndi Sonos. FLAC imasewera pa Sonos ndi Android koma si pa iPods oyambirira. WAV imasewera pa chilichonse koma ndichodabwitsa. Kusintha kwa chipangizo chatsopano chimasankha MP2 codec yosinthidwa kwa zida zanu zofunikira. 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.

Kodi fayilo yanga MP3 ndi yapadera pamene ikusintha kukhala MP2?

Ndikofunika — fayilo ya MP3 imatha kuchitidwa m'ma worker osiyana ndipo imatha kuthetsedwa m'maola ochepa. Tisaseweranso, sitisunga nthawi yaitali, kapena sitigawana zomwe zili pa audio.

Kodi ndi nthawi yayitali bwanji kuti musinthe nthawi ya 1-hour MP3 kuti MP2?

Kusintha kwa codec yofanana: 10 mpaka 30 masekondi. Kusintha kwa codec yosiyana: 10 mpaka 20% ya nthawi yoyambira, kotero nthawi ya 1 ola MP3 → MP2 imatha m'maola 6 mpaka 12. Ntchito za batch zimagwirizana pakati pa ogwira ntchito kuti ziwonjezere kufulumira.